OE LETTER

All-optical fiber sensing system based on random phase encoding and volume holographic interconnection

[+] Author Affiliations
Ching-Cherng Sun, Yi-Ming Chen, Wei-Chia Su

National Central University, Institute of Optical Sciences, Chung-Li?320, Taiwan E-mail: ccsun@ios.ncu.edu.tw

Opt. Eng. 40(2), 160-161 (Feb 01, 2001). doi:10.1117/1.1349214
History: Received Oct. 24, 2000; Revised Nov. 7, 2000; Accepted Nov. 9, 2000
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We propose what we believe is the first all-optical fiber sensing system without any electronic processing. A multiple-mode fiber detects external perturbations and serves as a random phase generator. A crystal serves as the volume hologram recorder and database and provides the interconnections between a specific incoming random phase and the corresponding output pattern indicating the external perturbation on the fiber. All aspects of the sensing system, including detection of the external perturbation, interconnection, and display of the result, are performed by optical means. © 2001 Society of Photo-Optical Instrumentation Engineers.

© 2001 Society of Photo-Optical Instrumentation Engineers

Citation

Ching-Cherng Sun ; Yi-Ming Chen and Wei-Chia Su
"All-optical fiber sensing system based on random phase encoding and volume holographic interconnection", Opt. Eng. 40(2), 160-161 (Feb 01, 2001). ; http://dx.doi.org/10.1117/1.1349214


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