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Compact label-free biosensor using VCSEL-based measurement system

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5 Author(s)
Mateus, C.F.R. ; Dept. of Electr. Eng. & Comput. Sci., Univ. of California, Berkeley, CA, USA ; Huang, M.C.Y. ; Li, P. ; Cunningham, B.T.
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We report an ultracompact label-free biosensor that uses a vertical-cavity surface-emitting laser (VCSEL)-based measurement system for the characterization of biomolecular interactions. It consists of a VCSEL, a plastic guided-mode resonant filter, and two p-i-n detectors. The system has demonstrated very high sensitivity to molecules on top of the sensor.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 7 )