Linearly polarized fiber-optic laser

Details Linearly polarized fiber-optic laser Linearly polarized fiber-optic laser

1995-05-19

1996-10-01

Scott, Jr., Leo

Coherent light generators

Optical fiber laser

372102, 372105, 372 92, 372 27, 385 37, 385 96, H01S 330

Patent

active

055616755

ABSTRACT:
A fiber-optic laser comprising a birefringent optic fiber possessing a Bragg grating at each of its ends,. A light source emits a light beam having two modes of polarization in the fiber. The birefringence of the fiber makes it possible to keep the two polarization modes separate. The two Bragg gratings are photo-recorded in the fiber and are made in such a way that their resonance wavelength is matched for one polarization. The wave emitted by the fiber is then polarized linearly along P1. Applications to linearly polarized lasers for optical transmission, instrumentation, spectroscopy, medicine, the detection of chemical species and telemetry.

REFERENCES:
patent: 5305336 (1994-04-01), Adar et al.
patent: 5317576 (1994-05-01), Leonberger et al.
patent: 5323404 (1994-06-01), Grubb
patent: 5473622 (1995-12-01), Grubb
Delevaque et al;"Gain Control in Erbium-Doped Fiber Amplifiers by Lasing at 1480 nm with Photoinduced . . . Fiber Ends",Electronics Letters, vol. 29,No.12,Jun. 1993,pp.1112-1114.
Proceedings SPIE, Photosensitivity and Self-Organization in Optical Fibers and Waveguides, Aug. 1993, vol. 2044, pp. 246-260; Douay et al., Pump Power and Birfringence Effects in Nd3+ and Pr3+ Fiber Lasers Using Intra-Core Bragg Reflectors, pp. 256-259.
Douay et al, Birefringence Effect of Optical Fiber Laser with intracore Fiber Bragg Grating, Aug. 1992, pp. 844-846.
Ball et al., Continuously Tunable Single-Mode Erbium Fiber Laser, Optical Letters, vol. 17, No. 6, Mar. 1992, pp. 420-422.
Delevaque et al., Gain Control in Erbium-Doped Fibre Amplifiers by Lasing at 1480 nm With Photoinduced . . . Fibre Ends, Electronic Letters, vol. 29, No. 12, Jun. 1993, pp. 1112-1114.

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