Title :
Whispering gallery mode biosensing using back-scattered light
Author :
Knittel, Joachim ; Swaim, J.D. ; McAuslan, D.L. ; Brawley, G.A. ; Bowen, W.P.
Author_Institution :
Sch. of Math. & Phys., Univ. of Queensland, Brisbane, QLD, Australia
Abstract :
We present a new technique for whispering gallery mode biosensing involving direct detection of the back-scattered light. This results in suppressing laser frequency noise by 27 dB, and gives an absolute sensitivity of 76 kHz.
Keywords :
biosensors; optical sensors; whispering gallery modes; back-scattered light detection; frequency 76 kHz; gain 27 dB; laser frequency; whispering gallery mode biosensor; Frequency measurement; Frequency modulation; Noise; Optical resonators; Optical sensors; Resonant frequency;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
