OL 730CV Virtual Radiometer/Photometer PC-Controlled ... · OL 730CV Virtual Radiometer/Photometer...

Contact: [email protected] www.goochandhousego.com

As part of our policy of continuous product improvement, we reserve the right to change specifications at any time

Bulletin 126 / Rev 9-11 of 2

OL 730CV Virtual Radiometer/Photometer

PC-Controlled Virtual Instrument

The OL 730CV Virtual Radiometer/ Photometer sets a new standard in economically-priced, research-grade light measurement instrumentation without sacrificing performance, sensitivity, accuracy, or versatility.

Value Packed Innovation We took the most customer-utilized applications from our industry-standard OL 730C, packaged them with user-friendly Windows® 2000 or XP-based software, and developed a radiometric and photometric platform entirely controlled by your PC. The OL 730CV was designed for precision and accuracy at a fraction of the cost of comparable stand-alone systems.

User-configured Radiometric and Photometric Modular Systems

Customize the OL 730CV with any/or a combination of a vast array of accessories, including detectors, optical filters, calibration standards, and input optics, optimally designed to measure:

• Luminous flux

• Luminance

• Illuminance

• Radiant flux

• Radiance

• Irradiance

• Transmittance

• Luminous intensity

• Radiant intensity Applications include:

• Lamp measurement

• LED measurement

• Production

• R & D

• Laboratory

OL 730CV Virtual Radiometer/Photometer PC-Controlled Virtual Instrument



Bulletin 126 / Rev 9-11 of 2

SPECIFICATIONS

Detectors Available

Part Number Type Wavelength Range

OL 730-5A ......... Silicon .............................................................. 200 - 1100nm OL 730-5H .......... Silicon (high sensitivity) ..................................... 200 - 1100nm OL 730-Si .......... Silicon (TE cooled) ........................................... 200 – 1100nm OL 740-15 .......... PMT (S-20) ........................................................ 200 - 800nm OL 730-Ge ......... Germanium ...................................................... 800 - 1800nm OL 730-InGaAs Indium Gallium Arsenide ..................................... 800 - 1800nm

Optical Filters Available

Photometric Radiometric

Ratio Temperature (set of 2) Attenuation (10, 1, & 0.1%)

Spectral Bandpass (user specified)

Input Optics Available OL 16AB ......................................................................................... LED Receptor (compliant to CIE Publication 127, Condition A & B) OL Series 85......................................................................................................................................... Cosine Receptors (transmitting) OL IS-430 ...................................................................................................... 4-inch Integrating Sphere Cosine Receptor (in-line ports) OL IS-670 .......................................................................................................... 6-inch Integrating Sphere Cosine Receptor (90° ports) OL 730-7G .........................................................................................................................................................Glass Fiber Optic Probe OL 730-7Q ....................................................................................................................................................... Quartz Fiber Optic Probe OL 600 ........................................................................................................................................ Direct Viewing Imaging Optics Module OL 730-8 ....................................................................................................................................................... Reflex Viewer Microscope OL 730-9 ......................................................................................................................................................... Reflex Viewer Telescope Active X is a trademark and Windows is a registered trademark for Microsoft Corporation. LabVIEW is a trademark of National Instruments Corporation.

Display and Readout ......................................................................................................... Virtually unlimited via PC Graphics Units ............................................................................................................................................................ User Programmable Range Selector ............................................................................................................................. Auto or User Programmable Zero Control .......................................................................................................................................................................... Auto Range FS ........................................................................................................................................ 2 X 10

-3 to 2 X 10

-10 amperes

Resolution .............................................................................................................................................................. 10-14 amperes

Software Included .......................................................................................................Windows

® 2000 or XP control software

Optional Software ......................................................................................................................Active X, LabVIEW Drivers

Current Accuracy: 10

-3 to 10

-7 amperes .......................................................................................................................................... ± 0.05% + 1 digit

10-8 to 10

-9 amperes ............................................................................................................................................ ± 0.1% + 1 digit

10-10 amperes ...................................................................................................................................................... ± 0.5% + 2 digit

Maximum Current ................................................................................................................................................................. 2mA Outputs ................................................................................................................................ RS232 (standard), GPIB (optional) Communications Baud Rate ........................................................................................................................................ 9600 bps External Programming ................................................................................................................................... Through Interface Response Time ............................................................................................................................ User selectable for each gain ................................................................................................................................................. Range from 0.1 to 25.5 seconds

Size ................................................................................................................................ 3.5 x 17 x 10 inches (9 x 43 x 25.5 cm) Weight ............................................................................................................................................................... 8.5 lbs. (3.85 kg) Power Requirements....................................................................................................... 115 VAC @ 60 Hz / 220VAC @ 50 Hz Warranty ................................................................................................................................................... 1 year parts and labor Rack Mount .....................................................................................................................................................................Optional Programmable PMT Bias ...............................................................................................................................................Optional



Bulletin 126 / Rev 9-11 Page 1 of 2

OL 730CV Virtual Radiometer/Photometer

PC-Controlled Virtual Instrument

The OL 730CV Virtual Radiometer/ Photometer sets a new standard in economically-priced, research-grade light measurement instrumentation without sacrificing performance, sensitivity, accuracy, or versatility.

Value Packed Innovation We took the most customer-utilized applications from our industry-standard OL 730C, packaged them with user-friendly Windows® 2000 or XP-based software, and developed a radiometric and photometric platform entirely controlled by your PC. The OL 730CV was designed for precision and accuracy at a fraction of the cost of comparable stand-alone systems.

User-configured Radiometric and Photometric Modular Systems

Customize the OL 730CV with any/or a combination of a vast array of accessories, including detectors, optical filters, calibration standards, and input optics, optimally designed to measure:

• Luminous flux

• Luminance

• Illuminance

• Radiant flux

• Radiance

• Irradiance

• Transmittance

• Luminous intensity

• Radiant intensity Applications include:

• Lamp measurement

• LED measurement

• Production

• R & D

• Laboratory

OL 730CV Virtual Radiometer/Photometer PC-Controlled Virtual Instrument




SPECIFICATIONS

Detectors Available

Part Number Type Wavelength Range

OL 730-5A ......... Silicon .............................................................. 200 - 1100nm OL 730-5H .......... Silicon (high sensitivity) ..................................... 200 - 1100nm OL 730-Si .......... Silicon (TE cooled) ........................................... 200 – 1100nm OL 740-15 .......... PMT (S-20) ........................................................ 200 - 800nm OL 730-Ge ......... Germanium ...................................................... 800 - 1800nm OL 730-InGaAs Indium Gallium Arsenide ..................................... 800 - 1800nm

Optical Filters Available

Photometric Radiometric

Ratio Temperature (set of 2) Attenuation (10, 1, & 0.1%)

Spectral Bandpass (user specified)

Input Optics Available OL 16AB ......................................................................................... LED Receptor (compliant to CIE Publication 127, Condition A & B) OL Series 85......................................................................................................................................... Cosine Receptors (transmitting) OL IS-430 ...................................................................................................... 4-inch Integrating Sphere Cosine Receptor (in-line ports) OL IS-670 .......................................................................................................... 6-inch Integrating Sphere Cosine Receptor (90° ports) OL 730-7G .........................................................................................................................................................Glass Fiber Optic Probe OL 730-7Q ....................................................................................................................................................... Quartz Fiber Optic Probe OL 600 ........................................................................................................................................ Direct Viewing Imaging Optics Module OL 730-8 ....................................................................................................................................................... Reflex Viewer Microscope OL 730-9 ......................................................................................................................................................... Reflex Viewer Telescope Active X is a trademark and Windows is a registered trademark for Microsoft Corporation. LabVIEW is a trademark of National Instruments Corporation.

Display and Readout ......................................................................................................... Virtually unlimited via PC Graphics Units ............................................................................................................................................................ User Programmable Range Selector ............................................................................................................................. Auto or User Programmable Zero Control .......................................................................................................................................................................... Auto Range FS ........................................................................................................................................ 2 X 10

-3 to 2 X 10

-10 amperes

Resolution .............................................................................................................................................................. 10-14 amperes

Software Included .......................................................................................................Windows

® 2000 or XP control software

Optional Software ......................................................................................................................Active X, LabVIEW Drivers

Current Accuracy: 10

-3 to 10

-7 amperes .......................................................................................................................................... ± 0.05% + 1 digit

10-8 to 10

-9 amperes ............................................................................................................................................ ± 0.1% + 1 digit

10-10 amperes ...................................................................................................................................................... ± 0.5% + 2 digit

Maximum Current ................................................................................................................................................................. 2mA Outputs ................................................................................................................................ RS232 (standard), GPIB (optional) Communications Baud Rate ........................................................................................................................................ 9600 bps External Programming ................................................................................................................................... Through Interface Response Time ............................................................................................................................ User selectable for each gain ................................................................................................................................................. Range from 0.1 to 25.5 seconds

Size ................................................................................................................................ 3.5 x 17 x 10 inches (9 x 43 x 25.5 cm) Weight ............................................................................................................................................................... 8.5 lbs. (3.85 kg) Power Requirements....................................................................................................... 115 VAC @ 60 Hz / 220VAC @ 50 Hz Warranty ................................................................................................................................................... 1 year parts and labor Rack Mount .....................................................................................................................................................................Optional Programmable PMT Bias ...............................................................................................................................................Optional




OL 730C/CV Software Development Kit

The Software Development Kit (SDK) for the OL 730C and OL730CV Radiometer/Photometer is available to help programmers develop their own applications or integrate OL730C/CV control within other automated test and measurement systems. The SDK for the OL730C/CV is comprised of:

• ActiveX Controls

• C++/MFC Panel Application

• List of ActiveX Methods

• LabVIEW Application

• Excel Add-In

ActiveX Controls

For custom programming, access the low-level functionality of the instrument by calling ActiveX methods from within your own custom container. A listing of available methods (functions) is provided. Three ActiveX controls are provided: one with dialog user interface, a second that serves as a low-level instrument driver, and a third that displays a scrolling plot. Containers can be written in various programming languages, such as C++ and Visual Basic.

C++/MFC Panel Application

This is a program that serves as an instrument controller and as an example ActiveX container. It employs all three ActiveX controls: the user interface dialog, the low-level driver, and the plot display. The provided source code is written in C++. It uses the MFC (Microsoft Foundation Classes) library and was developed in Microsoft Visual Studio.

List of ActiveX Methods

ActiveX methods are functions accessible from an ActiveX container program. The SDK provides methods available from the three ActiveX controls. An example listing is: SelectDetector BOOL SelectDetector (short sDetector) Select an active detector from the instrument’s detector library. Input: short sDetector. A detector library index number (1 – 25). Return: BOOL. TRUE indicates successful command completion. Command: S [sDetector] (low-level command sent to the firmware).

OL 730C/CV Software Development Kit




LabVIEW Application

The LabVIEW panel application connects to the instrument via serial or GPIB ports. This program provides for complete control of the instrument and requires no programming. Source code (vi's) used to develop this application is also included. These vi's function as LabVIEW instrument drivers for customers who own LabVIEW and wish to develop their custom applications in this development environment.

Excel Add-In

The Excel Add-in allows access to the graphical user interface, displayed as an embedded form object. Concurrently, ActiveX methods are accessible from user generated custom VBA code. An Excel workbook is provided as an example of VBA code that uses the Add-in.

System/ Software Block Diagram

Excel workbook

Serial driver

C++/MFC example container

(panel application)

Custom user application (C++,

Visual Basic,

ActiveX control instrument driver

Windows API

GPIB driver

730C or 730CV Instrument

ActiveX control with user interface

LabVIEW example (panel application)

LabVIEW integrated

development environment

(not provided)

LabVIEW runtime engine

ActiveX control plotter

VBA Code




OL 730D Programmable DSP

Radiometer

• Characterize light sources and materials over all or part of the entire UV/VIS/IR region

(200 nm to 30 µµµµm)

• Measure true RMS intensities of AC, pulsed or modulated sources

• Measure total, peak, average, apparent intensities and time profiles of pulsed and

navigation lights

• Eliminate noise from sources and detectors

• Attain the ultimate in sensitivity, down to and including counting individual photons

• Computer control for integration into existing measurement procedures or custom data

analysis

The OL 730D is an extremely versatile radiometer utilizing state-of-the-art digital signal processing (DSP) technology. When used with a wide range of optional photodetectors and input optics, a multitude of high accuracy radiometric and photometric measurements can be made over all or part of the entire ultraviolet, visible and infrared spectrum.

The OL 730D features several modes of operation. It can be operated as:

• a high sensitivity DC amplifier, typically used in photometric or radiometric measurements in the UV/VIS/NIR regions

• an AC lock-in amplifier, typically used for measurements in the IR (1.8 µm to 30 µm) and highly modulated source applications

• a photon counter for extremely low-light-level measurements.

Ultra high-speed data acquisition is another important feature of DSP technology. This means that the OL 730D can measure the output of pulsed or rapidly changing sources in addition to performing source profiling.

The OL 730D is a completely microprocessor-controlled, multi-functional radiometer/photometer, which can be programmed to read directly in any user specified radiometric or photometric optical quantity. The OL 730D is virtually ideal for all types of measurement and features high sensitivity, autoranging, auto-zeroing, highly accurate readout and range-to-range linearity, 4½ digit (6½ digit via computer) plus exponent display, user variable response time, an extremely large dynamic range and RS-232-Interface (IEEE-488 optional) for computer control.

Multiple calibration factors for different detector/filter/input optic configurations can be stored in memory. Once the desired configuration and associated calibration factor is selected, the OL 730D will measure and read directly in the designated optical units.

OL 730D

Programmable DSP Radiometer



Bulletin 134 / Rev 6-06 Page 2of 2

OL 730D APPLICATIONS

DC Radiometer/ Photometer Mode – The high accuracy and high conversion rate of the OL 730D electronics combined with DSP low-pass filtering enables the OL 730D to accurately measure the current generated by DC operated detectors. Thus, when configured with the appropriate detector/ filter/ input optics, the OL 730D operates as an extremely sensitive radiometer or photometer capable of measuring detector signals from 1 x 10-14 to 2 x 10-3 amperes. The actual photometric and radiometric sensitivities are, of course, dependant on the choice of detector, filter(s), and input optics.

AC Radiometer/ Photometer Mode – When used in the AC Mode, the OL 730D is a complete dual-phase lock-in amplifier that uses DSP to perform the “synchronous rectification” that is central to the operation of all lock-in amplifiers. The digital techniques employed in the OL 730D significantly reduce errors such as non-linearity, offset and drift, harmonic distortion, and temperature effects that are inherent in classical analog lock-in amplifiers. However, the greatest benefit to the user is the performance enhancement at the lower signal levels.

The OL 730D features a built-in, variable frequency optical chopper controller. The OL 730D-CH Programmable Variable Speed Optical Chopper is available as a stand-alone option.

OL 730D OPTIONS

The basic OL 730D is furnished with DC and AC lock-in capabilities. The following features are available as options:

OL 730D-PC Photon Counting Option – When used with the appropriate photon counting photodetector, the OL 730D-PC provides the ultimate sensitivity with excellent linearity from 1 to 1,000,000 counts per second.

The OL 730D-HV High Voltage DC Power Supply – A programmable, high voltage DC power supply for use with photomultiplier detectors. DC voltage can be varied from ) to -1500 VDC with ultra low ripple and drift.

OL 730D0CH Optical Chopper – The OL 730D-CH consists of integrated control electronics and chopper enclosure along with a control cable. A precision DC motor assembly with an integrated optical encoder is mounted in a machined, metal enclosure that can easily be mounted to an optical bench. The standard 4-slot blade provides chopper frequencies from 10 to 350 Hz. An optional 18-slot blade extends the frequency range from 180 to 1200 Hz.

OL 730D-IEEE488 Communications Interface – An IEEE-488 Interface supplements the standard RS232.

Photon Counting Radiometer/ Photometer Mode – By utilizing and enhancing some rarely used inherent features of the DSP chip, the OL 730D can be used with photon counting photomultipliers to achieve the ultimate photometric or radiometric sensitivity. The photon counting option provides excellent sensitivity and linearity in the count range of 1 to 1,000,000 counts per second.

OL 730D ACCESSORIES

A large selection of accessories is available for use with the OL 730D, including:

Detectors – A wide range of high sensitivity detectors is available for use with the OL 730D. These detectors allow the user to measure over all or a portion of the entire wavelength range of 200 nm in the ultraviolet to 30 µm in the infrared. Each detector is mounted in a rugged, metal housing and low noise connectors and components are used to maximize sensitivity.

Optical filters – A range of filters to provide single wavelength isolation, radiometric and photopic correction to the responses of our detectors is available. Contact us for specific requirements.

Input optics – A wide range of telescopes, microscopes, integrating spheres, transmissive diffusers, baffle tubes, etc. are available to make any type of measurement. Contact us for details.

SPECIFICATIONS

Readout (units) ......................................................................................................................................................... user programmable Display .................................................................................................................................................................. 4½ igits plus exponent Response time .......................................................................................................................................... user selectable for each gain Range ........................................................................................................................................................ from 0.0033 to 4096 seconds Zero control ............................................................................................................................... automatically subtracted when pressed Range selector .................................................................................................................................................................... auto/ manual PMT DC bias voltage ................................................................................................................................. -200 to -1100 VDC (optional) Computer interface ................................................................................................................. RS-232C (standard), IEEE-488 (optional) Size ........................................................................................................................................ 3.5” x 17” x 20” (9 cm x 43 cm x 25.5 cm) Power requirements ............................................................................................................................. 115 VAC 60 Hz/ 220 VAC 50 Hz Warranty .............................................................................................................................................................. 1 year, parts and labor

OL 730E

Setting the standard: Gooch & Housego’s NEW OL 730E!

The OL 730E Programmable Radiometer/ Photometer sets the standard when it comes to superior performance, accuracy, sensitivity, and versatility. When coupled with the appropriate detector, optical filter, and/or input optic, the OL 730E can provide research-grade precision and accuracy at a fraction of the cost of comparable stand-alone systems.

Features

The OL 730E is a microprocessor-controlled, high sensitivity radiometer/ photometer that can be programmed to read directly in any user-specified radiometric or photometric quantity. The unit features:

• high sensitivity • auto-ranging • auto-zeroing • highly accurate readout and range-to-

range linearity • integrating mode for measuring flash

sources

• 4½ digit plus exponent display • variable response time • USB interface • multiple detector library • extremely large dynamic range • software application for PC control

and remote logging • small footprint

The basic OL 730E is furnished with an internal preamplifier and has a sensitivity of 1 x 10-14 amperes. The optional detectors available for use with the OL 730E include silicon, photomultipliers, germanium, and indium gallium arsenide. The OL 730E can be programmed by the user to read directly in any specified radiometric optical unit. Up to 25 calibration factors for different detector/filter/input optic configurations can be stored in memory. Once the desired detector/filter/input optic configuration and associated calibration factor are selected, the OL 730E will measure and read directly in the designated optical units. The OL 730E-HV, a programmable, high voltage DC power supply for use with photomultiplier detectors, is also available as an option at time of purchase or as a factory upgrade.

Setting the standard: Gooch and Housego’s

The OL 730E Programmable Radiometer/ Photometer sets the standard when it comes to superior performance, accuracy, sensitivity, and versatility. When

r, optical filter, and/or input optic, the OL grade precision and accuracy at a fraction of the cost

OL 730E Front Panel Controls The OL 730E has eight (8) function keys and a 20 character X 2 line, alphanumeric, backlit LCD display The function keys enable the user to:

• Select the desired detector head (storage capacity is 25)

• Select the units of measurement • Auto-zero the background signal • Select the gain range (manual or

autorange) • Select 100% or dB readings for

transmittance and reflectance • Enter a menu routine for specifying

system and operating parameters

Specifications Readout (units) .................... user programmable Display ........................... 4½ digits plus exponent Range ..................... 2 x 10-10 to 2 x 10-3 amperes Resolution (standard) ................... 10-14 amperes Accuracy (@ 25°C ambient 10-3 to 10-7 amperes ............ ± 0.05 % + 1 digit 10-8 to 10-9 amperes .............. ± 0.1 % + 1 digit 10-10 amperes ....................... ±0.5 % + 2 digits

Noise ............................................... 1.0-14 A/√Hz Range selector ............ auto, manual, or software selectable

Response time ...................... 0.1 sec to 10.0 sec Operating Temp Range ................... 5°C to 40°C Operating Humidity Range .................. 0% - 90% (non-condensing)

Size ............................. 7.12 x 3.71 x 7.75 inches (18.1 x 9.4 x 19.7 cm)

Weight ....................................... 2.5 lbs. (1.13 kg) Power Input ............. 85-265 VAC, 0.3A, 50/60Hz Computer Interface ...................................... USB

Auxiliary I/O Interface ....... 15-pin female (HD15) TTL (4 inputs, 4 outputs)

Optional PMT High Voltage Range ...... -200 VDC to -1100 VDC

Input Optics

A line of accessories for the OL 730E are available to enable users to tailor the unit for multiple measurement applications. An OL 730E/ detector/ filter/ input optic combination can be configured to measure: • luminance (fl, cd/m2) • illuminance (lux, footcandle) • radiant flux (power, watts) • radiance (watts/cm2/sr)

• irradiance (w/cm2) • photopic transmittance (%/db) • luminous intensity (lumens/sr, candela) • radiant intensity (watts/sr)

The versatility and measurement capability of the OL 730E is greatly enhanced with the selection of optional input optic modules. With the proper input optics, the OL 730E can be calibrated and programmed to read directly in the desired optical units. In addition, up to 25 different optical head configurations with their associated calibration factors can be stored in the OL 730E at any one time. In actual use, the optical filter (if required) is inserted in the selected detector head and the combination is attached to the input optic module. All of the detectors, filters, and input optic modules are user changeable.

• OL 600 Direct Viewing Imaging Optics Module

• OL 16AB LED Receptor (with OL 730-5 and OL 730-5-PF-1 filters)

• OL Series 85 Cosine receptors (transmitting)

• OL IS-430 4-inch Integrating Sphere (in-line ports)

• OL IS-670 6-inch Integrating Sphere (90° ports)

• OL 730-8 Reflex Microscope

• OL 730-9A Reflex Telescopes

Detectors and Filters



Bulletin 135 / Rev 12-11

Detectors _________________________________________________________________ Model # Detector Type Wavelength Range NEP (Watts)

OL 730-5 ..............Silicon .................................................. 0.2 – 1.1 µm ................... 2 x 10-14 @ 960 nm OL 730-Ge ...........Germanium (TE Cooled) ...................... 0.8 – 1.8 µm ................. 7 x 10-13 @ 1500 nm OL 730-InGaAs ....Indium Gallium Arsenide (TE Cooled) .. 0.8 – 1.7 µm .................. 1 x 10-13 @1580 nm OL 730-Si ............Silicon (TE Cooled) .............................. 0.2 – 1.1 µm ................... 5 x 10-15 @ 960 nm OL 740-15 ............Photomultiplier ..................................... 0.2 – 0.8 µm ................... 6 x 10-17 @ 430 nm Optical Filters ______________________________________________________________ Model # Filter Designation Function

OL 730-5-PF ................ Photometric (f1’<4%) ...................................... CIE V (λ) 380 – 780 nm OL 730-5-PF-1 ............. Photometric (for S-20 response PMT) ............ CIE V (λ) 380 – 780 nm OL 730-5-PF-LED ........ High-accuracy Photometric (f1’<1.6%) ........... CIE V (λ) 380 – 780 nm OL 730-5-RB ............... Color temperature (set of 2) ........................... Red/blue ratio OL 730-5-RF ................ Radiometric .................................................... Calibrated, 460 – 980 nm OL 730-1, -2, -3 ........... Attenuation (10, 1, & 0.1%) ............................ Calibrated, 250 – 1100 nm




0.000E+00

1.000E-01

2.000E-01

3.000E-01

4.000E-01

5.000E-01

6.000E-01

200 300 400 500 600 700 800 900 1000 1100 1200

Wavelength (nm)

Raw Detector Response [A/W]

The OL 731 USB Smart Detector is a low-cost, flexible, programmable, compact radiometer-photometer that can easily be set up for specialized needs. A range of sensors and filters are available to tailor the spectral response to the application - specific requirements. A command set is provided to enable the creation of acquisition programs. As delivered, the OL 731 Series detectors can be operated by any computer with a USB connection.

Gooch & Housego can provide certified NIST-traceable calibration of the response of each fully configured detector module prior to shipment. The detector can be programmed to read in any user specified radiometric or photometric unit. Calibration factors and optical units can be stored on board.

The OL 731 is supported by an ActiveX™

Software Development Kit, which facilitates user integration into larger process control and monitoring applications. Data can then be automatically transferred into an MS/Excel worksheet using a built-in report utility, allowing for rapid application development.

The OL 731 has a built-in 6 decade preamplifier with automated gain adjustment and a 16 bit ADC. Its firmware manages the details of detector control and data transfer. Its onboard microprocessor communicates with the host computer via a straightforward command set. Several of these versatile detectors can be multiplexed on one Universal Serial Bus.

OL 731 USB Smart Detector

The OL 731 USB Smart Detector is suitable for a variety of critical applications including:

• OEM Production Process Control:

• Display testing and optimization

• QC

• UV Curing

• Photoresist Exposure

• Illuminance Measurement

• Irradiance Measurement

• LED Intensity Measurement

OL 731 Specifications (Typical)

Detector UV-Enhanced Silicon

Acquisition rate 500 ms / sample (100 ms/sample option)*

A/D resolution 16 bits

Weight < 0.5 lb.

Operating temperature 40 - 100°F

Operating humidity 0 - 90% non-condensing

Power requirement 5 VDC via USB connector

User interface Virtual interface via PC or laptop

Amplifier Gain 104 – 10

9 Volts/Amp

Calibration Stored Internally * Fixed gain setting – decreased resolution with 100 ms/sample option

The Temperature Humidity Sensor is built in to acquire environmental readings for logging, along with the radiometric/photometric data.

The 731 can also be modified for 10Hz operation (at 10X reduced resolution performance compared to standard OL 731 configuration).

OL 731 USB Smart Detector




Figure 2 – Panel Application with Graphical User Interface

OL 731 USB Smart Detector Accessories

A wide selection of accessories is available for use with the OL 731 Smart Detectors that allow it to be easily configured for your custom field or OEM application, including a wide range of optical filters that mount directly onto the detector housing. If the configuration for your application is not listed, please contact us.

• OL 730-5-PF Photopic Filter – A photometric correction filter that produces an f1' factor < 4% when used with the OL731 USB Smart Detector. “ f1' “ is a “goodness of fit” parameter, defined by CIE, that compares the spectral response of the photometer to the ideal response.

• OL 730-5-PF-LED Photopic Filter - A photometric correction filter that produces an f1' factor < 1.6% when used with the OL731 USB Smart Detector. “ f1' “ is a “goodness of fit” parameter, defined by CIE, that compares the spectral response of the photometer to the ideal response.

• OL 730-5-RF Radiometric Filter – A subtractive filter combination that modifies the spectral response of the OL731 USB Smart Detector such that it is relatively flat (± 5%) over the wavelength range of 460 nm to 980 nm.

• OL 730-1, -2, -3 Attenuation Filters – 10%, 1%, and 0.1% nominally transmitting neutral density filters (quartz) with calibrations for spectral transmittance over the wavelength range of 250 nm to 1100 nm.

• OL 730-5-XXX Spectral Bandpass Filters – Narrow band pass interference filters with peak wavelength transmittance and band pass specified by customer.

Measurement Accessories – A wide range of cosine collectors and imaging optics are available to suite the measurement application.

OL 731-SDK Software Development Kit (included) – The Windows XP compatible software development kit allows the user to develop custom applications for the OL731 USB Smart Detector. The software development kit (SDK) provides for high-level control of the instrument. It includes a simple demonstration program and a functional interface for the development of your own custom instrument-control application. The kit is comprised of a panel application with graphical user interface, an ActiveX control, example C++ source code. The ActiveX control functions as an OL731 instrument driver, layered between custom application software, such as the example C++ based panel application, and Windows platform SDK dll's. Source code for the Panel Application is provided as an example for developing your custom client program.

Figure 3 – Opto-Mechanical Layout of the OL 731 USB Smart Detector (shown without filters)

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