1 February 2001 All-optical fiber sensing system based on random phase encoding and volume holographic interconnection
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Optical Engineering, 40(2), (2001). doi:10.1117/1.1349214
Abstract
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.
Ching-Cherng Sun, Yi-Ming Chen, Wei-Chia Su, "All-optical fiber sensing system based on random phase encoding and volume holographic interconnection," Optical Engineering 40(2), (1 February 2001). http://dx.doi.org/10.1117/1.1349214
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KEYWORDS
Sensing systems

Speckle

Volume holography

Crystals

Holograms

Computer programming

Databases

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