Optoelectronic devices for fiber-optic sensor interface systems

Chi-Shain Hong; Harold E. Hager; Barbara A. Capron; Joseph L. Mantz; Mark W. Beranek; Raymond W. Huggins; Eric Y. Chan; Mark Voitek; David M. Griffith; Darrell L. Livezey; Bruce R. Scharf

doi:10.1117/12.43803

1 July 1991 Optoelectronic devices for fiber-optic sensor interface systems

Chi-Shain Hong, Harold E. Hager, Barbara A. Capron, Joseph L. Mantz, Mark W. Beranek, Raymond W. Huggins, Eric Y. Chan, Mark Voitek, David M. Griffith, Darrell L. Livezey, Bruce R. Scharf

Author Affiliations +

Proceedings Volume 1418, Laser Diode Technology and Applications III; (1991) https://doi.org/10.1117/12.43803
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

Abstract

A standardized interface for fiber-optic sensor systems based on wavelength-division- multiplexing (WDM) has been successfully demonstrated using a novel broad-spectrum quantum-well LED and a high-resolution waveguide spectrograph. This efficient interface allows a 40-decibel system loss in 20 sensor channels. The new broadband LED and slab- waveguide spectrograph represent key enabling components for the WDM interface system. The LED produces a spectral width a factor of 3 times larger than that from conventional edge emitting LEDs in the 750-900 nm range. The compact slab-waveguide spectrograph's channel resolution (4-5 nm) and grating efficiency (>50%) compare favorably with other multimode WDM elements.

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Chi-Shain Hong, Harold E. Hager, Barbara A. Capron, Joseph L. Mantz, Mark W. Beranek, Raymond W. Huggins, Eric Y. Chan, Mark Voitek, David M. Griffith, Darrell L. Livezey, and Bruce R. Scharf "Optoelectronic devices for fiber-optic sensor interface systems", Proc. SPIE 1418, Laser Diode Technology and Applications III, (1 July 1991); https://doi.org/10.1117/12.43803

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