Title :
Fiber optic displacement sensor with angstrom resolution
Author :
Binxiang, Li ; Dezhong, Zheng ; Guirong, Wang ; Jie, Li ; Dangping, Wang ; Shengxuan, Zheng
Author_Institution :
Dept. of Comput. Sci., Yanshan Univ., Hebei, China
Abstract :
A low-finesse Fabry-Perot interferometric displacement sensor has been developed and tested. Using a high-stability He-Ne laser and perfect signal processing circuits, a noise level of 0.1 Å equivalent reflector displacement was obtained in a bandwidth of 0-1 kHz
Keywords :
Fabry-Perot interferometers; displacement measurement; electron device noise; fibre optic sensors; gas lasers; laser beam applications; optical resolving power; signal processing equipment; 0 to 1 kHz; He-Ne; angstrom resolution; bandwidth; equivalent reflector displacement; fibre-optic displacement sensor; high-stability He-Ne laser; low-finesse Fabry-Perot interferometric displacement sensor; noise level; perfect signal processing circuits; Circuit testing; Fabry-Perot; Fiber lasers; Laser noise; Noise level; Optical fiber sensors; Optical fibers; Optical interferometry; Optical signal processing; Signal resolution;
Conference_Titel :
Industrial Technology, 1994., Proceedings of the IEEE International Conference on
Conference_Location :
Guangzhou
Print_ISBN :
0-7803-1978-8
DOI :
10.1109/ICIT.1994.467050
