Title :
A low-cost optical feedback interferometer for real-time velocity measurement
Author :
Plantier, G. ; Servagent, N. ; Sourice, A. ; Bosch, T.
Author_Institution :
Ecole Superieure d´´Electron. de l´´Quest, Angers, France
Abstract :
A low-cost laser sensor using optical feedback interferometry has been designed to measure velocities. With a digital signal processing based on an order 2 autoregressive model of the optical power, an accuracy of about 0.5% can be reached
Keywords :
laser velocimetry; light interferometry; optical feedback; optical noise; optical sensors; signal processing; autoregressive model; digital signal processing; laser sensor; optical feedback interferometer; optical feedback interferometry; optical power; real-time velocity measurement; Adaptive optics; Frequency estimation; Laser beams; Laser feedback; Optical feedback; Optical interferometry; Optical sensors; Optical signal processing; Semiconductor lasers; Velocity measurement;
Conference_Titel :
Instrumentation and Measurement Technology Conference, 2000. IMTC 2000. Proceedings of the 17th IEEE
Conference_Location :
Baltimore, MD
Print_ISBN :
0-7803-5890-2
DOI :
10.1109/IMTC.2000.848834
