Broadband Michelson Fiber-Optic Accelerometer
Applied Optics, Vol. 38, Issue 4, pp. 628-630 (1999)
http://dx.doi.org/10.1364/AO.38.000628
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Abstract
A broadband (5–500 Hz) all-fiber-optic accelerometer was developed on the basis of Michelson interferometry, which is realized by a 3-dB single-mode fiber-optic beam splitter. On the distal endface of both interferometric arms of the splitter high-reflectance aluminum films were directly deposited to act as reflecting mirrors. The performance of a prototype of the accelerometer is examined. The results reveal that external stimuli can be truly sensed by the accelerometer, and the constraint level on lateral movement of the acceleration-sensitive mass is an important factor in determining the useful frequency bandwidth. The experimental results are compared with theoretical predictions.
© 1999 Optical Society of America
[Optical Society of America ]
OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(060.2630) Fiber optics and optical communications : Frequency modulation
(120.2920) Instrumentation, measurement, and metrology : Homodyning
(230.1360) Optical devices : Beam splitters
Citation
Caihe Chen, Delong Zhang, Guilan Ding, and Yuming Cui, "Broadband Michelson Fiber-Optic Accelerometer," Appl. Opt. 38, 628-630 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-4-628
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