Kevin A. Bors , Sabbir Liakat, Anna P. M. Michel, and Claire F. Gmachl
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Transcript of Kevin A. Bors , Sabbir Liakat, Anna P. M. Michel, and Claire F. Gmachl
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Study of Mid-Infrared Light Scattering Due to Skin for a Non-Invasive Glucose Monitor with an Automated Setup
Kevin A. Bors, Sabbir Liakat, Anna P. M. Michel, and Claire F. Gmachl
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• Quantum Cascade Lasers– More efficient energy solutions– Field testing– Good for developing countries
• Mid-Infrared Technologies for Health and the Environment
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MIRTHE and General Motivations for Research
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Specific Motivation for Research
• Diabetes patients
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Example absorption spectrum of glucose
1036
1080
1106
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Experimental Setup
• BARD (bi-axial rotation device)
• QCL (Quantum Cascade Laser)
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• Close-up of BARD setup
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Experimental Setup
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Program Capabilities
Variables Controlled by Program:• Axis of rotation• Range and precision
of angular movements of that axis
• Position of other axis• Range and Precision
of Wavenumber Movements
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• Example scan using program
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Results of an Automated Scan Measuring Reflected Light as a Function of Position
Backscattered Light Intensity for Incidence φ=40°
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Results of an Automated Scan Measuring Reflected Light as a Function of Position
• Light is Scattered by Dermis (Inner Layer of Skin)
• Glucose here proportional to level in blood
• Absorption Spectroscopy
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• Non-invasive glucose sensing• Automation of BARD
• Independent work
• Thanks to PEI, MIRTHE, and Professor Gmachl’s Group
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Summary, Future Work, and Acknowledgements