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Proceedings Paper

Fiber Optic Fabry-Perot Resonator As Temperature Sensor And Optical Spectrum Analyzer
Author(s): R. Kist; S. Drope
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Paper Abstract

A fiber optic system consisting in its main parts of a GaAlAs laser diode, a monomode launching fiber and a fiber Fabry Perot (FFP) resonator is investigated in view of two main aspects: 1) use of the FFP as fiber optic spectrum analyzer (FOSA) with the laser diode presenting a light source of rather complex spectral behavior, and 2) application of a FFP fabricated with a birefringent fiber as a one fiber double Fabry-Perot (OFDFP) device for temperature sensing. When varying the laser injection current, temperature drift of the laser wavelength as well as instable discontinuities (mode hops) can be identified. The temperature tuned FOSA is suggested as a device for diode laser spectral performance moni-toring. The OFDFP with its double system of transmission maxima offers a scheme to determine parameter change sign and principally provides a calibration means for this type of interferometer.

Paper Details

Date Published: 19 September 1983
PDF: 6 pages
Proc. SPIE 0412, Fiber Optic and Laser Sensors I, (19 September 1983); doi: 10.1117/12.935813
Show Author Affiliations
R. Kist, Fraunhofer-Institut fur Physikalische MeBtechnik (Germany)
S. Drope, Fraunhofer-Institut fur Physikalische MeBtechnik (Germany)

Published in SPIE Proceedings Vol. 0412:
Fiber Optic and Laser Sensors I
Emery L. Moore; O. Glenn Ramer, Editor(s)

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