CW Brillouin ring laser

Details CW Brillouin ring laser CW Brillouin ring laser

1977-05-02

1978-08-15

Sikes, William L.

Oscillators

Molecular or particle resonant type

350 9630, 356106LR, H01S 330

Patent

active

041076281

ABSTRACT:
A CW Brillouin ring laser utilizing a low loss optical fiber and a pair of partially reflective mirrors positioned to form a ring optical path with the fiber ends, produces a Brillouin shifted Stokes beam when a pump beam is directed into one end of the optical fiber. The Brillouin beam propagates around the ring in a direction opposite to the pump beam. The pump beam is coupled into the ring through one of the partially reflective mirrors and the laser output is the portion of the Brillouin beam passing through the other partially reflective mirror. In the Brillouin laser system, a second pump beam may be directed into the other end of the fiber to produce a second Brillouin beam propagating in a direction opposite to the first Brillouin beam, providing a laser with two distinct Brillouin beam outputs.

REFERENCES:
patent: 3705992 (1972-12-01), Ippen et al.
Johnson et al., Tunable Raman Fibre-Optic Laser, Electronics Letters, vol. 13, No. 2, (Jan. 20, 1977), pp. 53-55.
Stone, C. W., Raman Fiber Amplifier, Appl. Phys. Lett., vol. 26, No. 4, (Feb. 15, 1975), pp. 163-165.

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