Wavelength Division Multiplexed Fiber Optic Absolute Position Encoder

Eric D. Park; Erann Gat

doi:10.1117/12.948836

1 February 1989 Wavelength Division Multiplexed Fiber Optic Absolute Position Encoder

Eric D. Park, Erann Gat

Proceedings Volume 0985, Fiber Optic and Laser Sensors VI; (1989) https://doi.org/10.1117/12.948836
Event: O-E/Fiber LASE '88, 1988, Boston, MA, United States

Abstract

A method of wavelength division multiplexing (WDM) for fiber optic sensors using a broadband light source and narrow bandpass thin film optical filter coatings on cylindrical graded index lenses has been developed. The WDM system is characterized by parallel information from all channels in real time. The system is being applied to a digital, rotary, absolute position encoder.

Citation Download Citation

Eric D. Park and Erann Gat "Wavelength Division Multiplexed Fiber Optic Absolute Position Encoder", Proc. SPIE 0985, Fiber Optic and Laser Sensors VI, (1 February 1989); https://doi.org/10.1117/12.948836

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