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Proceedings Paper

Low noise planar external cavity laser for interferometric fiber optic sensors
Author(s): Lew Stolpner; Sanggeon Lee; Steve Li; Axel Mehnert; Peter Mols; Sabeur Siala; Jeff Bush
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Paper Abstract

A 1550 nm DWDM planar external cavity laser is demonstrated to provide low phase / frequency noise and narrow linewidth. The cavity includes a semiconductor gain chip and a planar lightwave circuit waveguide with Bragg grating, packaged in a 14-pin butterfly package. The laser shows linewidth < 30 kHz and phase/frequency noise comparable with that of long cavity fiber lasers. Performance is suitable for various fiber optic sensing systems, including interferometric sensing in Oil and Gas, military/security and other applications, currently served mostly by costly and less reliable laser sources.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 700457 (16 May 2008); doi: 10.1117/12.786226
Show Author Affiliations
Lew Stolpner, Redfern Integrated Optics Inc. (United States)
Sanggeon Lee, Redfern Integrated Optics Inc. (United States)
Steve Li, Redfern Integrated Optics Inc. (United States)
Axel Mehnert, Redfern Integrated Optics Inc. (United States)
Peter Mols, Redfern Integrated Optics Inc. (United States)
Sabeur Siala, Redfern Integrated Optics Inc. (United States)
Jeff Bush, Optiphase, Inc. (United States)


Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors

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