Compact and fast read-out for wavelength-encoded biosensors

Details

Event SPIE Proceedings

Authors

Noble Johnson
Technical Publications
January 25th 2010
Many existing and new optical bio sensor concepts rely on the detection of small wavelength changes in response to changes of temperature, adhesion of bio-particles, strain, or change in the chemical environment. Special coatings are used to can sensitize them to specifically bound molecules (e.g., biomarkers). We will describe a compact and fast wavelength monitor that can resolve sub-pm wavelength changes. This unit has been characterized by reading out a FBG sensor. We could clearly monitor wavelength changes as small as 50fm with a bandwidth of more than 100Hz.

Citation

Bellman, K.; Kiesel, P.; Johnson, N. M. Compact and fast read-out for wavelength-encoded biosensors. Microfluidics, BioMEMS, and Medical Microsystems VIII; 2010 January 25; San Francisco. SPIE Proceedings 7593: 759302.

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