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Free Dye Tests of an Integrated Multi-mode Fiber Sensor

This paper presents a biosensor prototype system for Free Dye Tests of an Integrated Multi-mode Fiber Sensor using a combination of MMF, laser diode, GRIN lens, and other components. The system includes TE cooler, bandpass filter, APD, LD driver, and power supply. The research is supported by ARL and DOE.

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Free Dye Tests of an Integrated Multi-mode Fiber Sensor

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  1. MMF 200m core Laser Diode GRIN lens p = 0.29 90/10 coupler FC connector MMF 200m core TE cooler Fluoroprobe Index matching GRIN collimator Temp. control Bandpass filter APD AMP & level discrim LD driver LD temp. control APD bias POWER SUPPLY D I S P L A Y C A I B E F H D G Free Dye Tests of an Integrated Multi-mode Fiber Sensor Vildana Hodzic1, Robert. W. Gammon2 and Christopher C. Davis1 1 Department of Electrical and Computer Engineering, 2 Institute for Physical Sciences & Technology Biosensor prototype system with readout to an auto-ranging digital voltmeter. Note the 12 inch scale in front of the box. Depth dependence Concentration dependence of the limiting signal Research supported by ARL and DOE.

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