HCPL-3120/J312, HCNW3120: 2.5 Amp Output Current IGBT Gate ...
赤外・テラヘルツ検出器の現状...Gate B Gate C Gate D Preamp Output (+) Preamp Output...
Transcript of 赤外・テラヘルツ検出器の現状...Gate B Gate C Gate D Preamp Output (+) Preamp Output...
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赤外・テラヘルツ検出器の現状
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赤外・遠赤外線検出器
• 遠赤外線検出器の種類と感度
• HgCdTeとInSb検出器
• 増幅器と校正
• THz検出器
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検出器温度と感度
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遠赤外線検出器の感度及び波長領域
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遠赤外線検出器
• 遠赤外線検出器の種類と感度
• HgCdTeとInSb検出器
• アレーセンサー
• THz検出器
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HgCdTeとInSb検出器
検出器サイズ:0.025~2.0mm使用温度: 常温(300K) 、TE(210,240K)、LN2(77K)検出感度(D*) :>5E9~>1E11
HgCdTe
InSb
検出器サイズ:0.1~2.0mm使用温度: LN2(77K)、SN2(54K)検出感度(D*) :>1E11
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開口角と検出感度
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HCT⇔InSb検出器
検出器型式 検出素子サイズ 開口角 感度(V/W) 感度(A/W) 雑音(V) D*@10kHz @10kHz
• MCT-12-0.05-10 50um 10 98832 2.54E-09 2.04E+11• MCT-12-0.05-10 50um 10 104380 2.59E-09 2.01E+11• MCT-12-0.05-10 50um 10 110144 2.82E-09 2.05E+11• InSb-0.1-10 100um 10 3.65 1.23E-07 2.53E+11• InSb-0.1-10 100um 10 3.73 1.44E-07 2.29E+11• InSb-0.1-10 100um 10 4.16 2.22E-07 1.65E+11
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赤外・遠赤外線検出器
• 遠赤外線検出器の種類と感度
• HgCdTeとInSb検出器
• アレーセンサー
• THz検出器
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アレー検出器
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高感度アレー検出素子0.85-2.5um
0.9-5.0um
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リニアアレーセンサー
• MUXを使用
• 信号が安定している
• データ取得システムが容易
• 配線が少ない
• コネクターが小さい
• 冷凍器の保持時間が短い
• 読出し時間が長い(Video rate)
• 早い現象に不向き
• MUXを不使用
• 信号が外部の影響を受ける
• データ取得システムが大きい
• 配線数が多い
• コネクターが大きい
• 冷凍器の保持時間が短い
• 読出し時間が短い((読込時間)
• 早い現象に向いている
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Discrete Linear Array Detector
サファイア基盤材料
16mm1基盤最大長
60度開口角
10ミクロン最小素子間隔
20-25ミクロン最小素子サイズ
2-13ミクロン波長領域
12896643216検出素子数
0.0532,6420.50.132,64,1280.50.5
0.056410.10.012640.40.2
spacing#elementslength width
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64ch MCTArray Detector & AMP
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IR-6416 FPAS SystemFemto-Second Laser Pulse Spectroscopy
System
Φ 64 Element HgCdTe Detector Array
Φ Ultra-Low Noise PreamplifiersΦ High Speed IntegratorsΦ Adjustable Delay and Gate
TimesΦ 16 Bit A/D ConvertersΦ 10 Mhz Data Transfer to PCΦ > 2 Khz Laser Repetition RateΦ Completely Isolated Channels
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IR-6416 Specifications
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16ch AMP Board
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IR-6416 Design Parameters Φ 16 Isolated Channels
on each PCBΦ PCB’s Expand for up
to 2048 ChannelsΦ 16 Bit A/D on each PCBΦ Jitter-Free Integration
Gate (less noise)Φ Low-Noise Current
Steering CircuitryΦ Preamp, Bias, Sync,
Integrator, A/D, and MUX on each PCB
IR-6416 PCB Rack
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IR-6416 Detector and Preamplifier
Detector Common
Bias Reference
Preamp Output
MCT Detector Array
High-Pass Bias Offset Integrator
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IR-6416 Integrator and Sample/Hold
Sample & HoldHigh Speed, Low Noise Current Steering Integrator
(Boxcar Type)
Gate A
Gate B
Gate C
Gate D
Preamp Output (+)
Preamp Output (-)
Gates A-D Derived from Integration Gate
IN
S/H
OUT
CHold
TRACK/HOLD from A/D
CH ‘n’ Output
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10 usec16 Bit A/D Converter16 Channel Multiplexer
16 to 1 Analog
MUX
CH 1 OUTCH 1-16
Digitized OutputTo FIFO Memory
CH 2 OUT
CH 15 OUT
CH 16 OUT
16 Bit A/D
Programmable Logic
IR-6416 Mux and A/D Conversion
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IR-6416 10 Mhz Data Transfer
FIFO Memory
Interlaced Data from PCB’s
2Khz Rep Rate
Time Slice Bus
Control
PCB 1 (1-16)
18 Bit FIFO2048
WORD
Programmable Logic
PCB 2 (17-32)
PCB 3 (33-48)
PCB 4 (49-64)
PCB 5 (65-80)
32 Bit I/O to PCI
Card
PC with LabViewSoftware
10 MhzData I/O
DataAnalysis
Time SliceSequencer
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IR-6416 System Application
1-20 um Laser
Q- SwitchSync Out
Optical System
Sample
Multi-Path
GratingSpectrometer /Monochrometer
MCTDetector
Array
IR-6416LPAS
SYSTEM
Host ComputerWith LASPEC
LabViewSoftware
Typical 2D Vibrational Spectroscopy Setup
Beam Monitors *
Chopper *SYNC **
** Required* Optional
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IR-6416 LASPEC Control Software
LASPEC Channel Vs. Sample Number
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IR-6416 LASPEC Control Software
LASPEC Integration Gate Setup
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IR-6416 SYSTEM with MCT Detector
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IR-6416 with Detector Complete System
Φ 64 Element MCT Detector Array
Φ 80 Channel IR-6416 System (16 Ext Ch’s)
Φ PCI DIO CardΦ Host Computer SystemΦ Interconnect CablesΦ Power SupplyΦ LASPEC Control
SoftwareΦ LabViewTM Source
code and VI’s
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遠赤外線検出器
• 遠赤外線検出器の種類と感度
• HgCdTeとInSb検出器
• アレーセンサー
• 増幅器と校正
• THz検出器等
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Si:Ga, B Ge:Be, Ga 検出器
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THz帯検出器の種類と波長域
Si:Ga :5-18 @4KSi:B :5-33 @4KGe:Be :30-50 @4KGe:Ga :40-130 @4KGe:Ga(圧縮型) :80-180 @4KSi Bolometer :0.1-1000 @4K
0.1-5000 @300mk-1.6K Ge Bolometer : 0.1-5000 @300mk-1.6K Hot e- InSb :150-200 450-5000 @4K 磁場調整型
200-5000 @4K 不均一磁場450-5000 @4K
Nb超伝導ボロメーター :1-1000 @1.6-4K
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InSb検出感度
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InSb検出器波長感度曲線
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液体ヘリウム冷凍器
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Si bolometer NEP
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Si bolometer の形状
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遠赤外線領域アレー検出器
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ボロメーターの応用
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THz領域における材料評価
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遠赤外線領域におけるSi
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遠赤外線領域におけるTPX
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遠赤外線領域におけるPolyethlene