A distributed feedback laser has been demonstrated as a label free biosensor. The stimulated emission wavelength changes with the refractive index variations on the sensor surface. The sensor exhibits high resolution and wide dynamic range.
© 2008 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3490) Lasers and laser optics : Lasers, distributed-feedback
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.1415) Remote sensing and sensors : Biological sensing and sensors
M. Lu, S. Choi, C. J. Wagner, J. G. Eden, and B. T. Cunningham, "Vertically Emitting Distributed Feedback Laser for Active Label Free Biosensing," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper CThZ4.
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