Title :
Adaptive detection of Doppler frequency shift using ac non-steady-state photo-EMF effect
Author :
Zarate, P. Moreno ; Rodriguez, P. ; Koeber, S. ; Meerholz, K. ; Mansurova, S.
Author_Institution :
INAOE, Puebla
Abstract :
Adaptive velocimeter based on the AC non-steady state photo-EMF effect induced by oscillating interference pattern has been investigated. The possibility to detect very low velocities (micrometer per second) using photoconductive polymer based detector was demonstrated.
Keywords :
Doppler shift; electric potential; optical sensors; velocimeters; Doppler frequency shift; ac nonsteady-state effect; adaptive detection; adaptive velocimeter; oscillating interference pattern; photo-EMF effect; photoconductive polymer; Biomedical measurements; Current measurement; Frequency; Interference; Optical modulation; Optical polymers; Optical scattering; Phase detection; Phase modulation; Photoconductivity; 280.0280; 280.3340;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
