Title :
Evanescent-field intra-cavity sensing with a dual-wavelength distributed-feedback laser
Author :
Bernhardi, Edward H. ; van der Werf, Kees O. ; Hollink, Anton J. F. ; Worhoff, K. ; de Ridder, R.M. ; Subramaniam, Vinod ; Pollnau, Markus
Author_Institution :
Integrated Opt. Microsyst. Group, Univ. of Twente, Enschede, Netherlands
Abstract :
We demonstrate an integrated optical particle sensor based on a dual-wavelength distributed-feedback waveguide laser. Micro-particles were detected down to a size of 1 μm, which represents the typical size of many fungal and bacterial pathogens.
Keywords :
distributed feedback lasers; fibre optic sensors; integrated optics; laser applications in medicine; bacterial pathogens; dual-wavelength distributed-feedback laser; evanescent-field intracavity sensing; fungal pathogens; integrated optical particle sensor; microparticles; Laser modes; Masers; Optical sensors; Optical surface waves; Optical waveguides; Pump lasers; Waveguide lasers;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
