Portable multichannel fiber optic biosensor for field detection

Joel P. Golden; Elric W. Saaski; Lisa C. Shriver-Lake; George P. Anderson; Frances S. Ligler

doi:10.1117/1.601146

1 April 1997 Portable multichannel fiber optic biosensor for field detection

Joel P. Golden, Elric W. Saaski, Lisa C. Shriver-Lake, George P. Anderson, Frances S. Ligler

Author Affiliations +

Optical Engineering, Vol. 36, Issue 4, (April 1997). https://doi.org/10.1117/1.601146

A compact, portable fiber optic biosensor is developed that enables monitoring of up to four fiber optic probes simultaneously. The sensor employs a novel optical fiber bundle jumper for exciting and collecting fluorescence emission from the evanescent wave fiber optic probes. A single fiber in the center of the bundle couples laser excitation into the sensor probe, while the surrounding fibers collect the returning fluorescent emission light. This design requires no beamsplitter, enabling the detection optics and control circuitry to be reduced to a 436 in. circuit card. Four of these cards are integrated into a single portable system. Results from detection assays for hazardous biological agents and an environmental pollutant are shown.

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Joel P. Golden, Elric W. Saaski, Lisa C. Shriver-Lake, George P. Anderson, and Frances S. Ligler "Portable multichannel fiber optic biosensor for field detection," Optical Engineering 36(4), (1 April 1997). https://doi.org/10.1117/1.601146

Published: 1 April 1997

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