Optical amplification device

Coherent light generators – Particular pumping means

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372 70, 372 98, 372 93, 372 72, H01S 309

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058387102

ABSTRACT:
Disclosed is an optical amplification device comprising an amplifier medium inserted between two mirrors and an optical pumping source. The mirrors are confocal mirrors whose focal plane is located in the vicinity of the center of the non-linear medium. This medium has a match-stick shape with a large axis in one direction forming an angle alpha/2 with the optical axis of the cavity defined by the two mirrors and the amplifier medium. This architecture enables an incident optical wave to pass several times within the amplification device leading to an increase in the performance characteristics of said device.

REFERENCES:
patent: 3852684 (1974-12-01), Roess et al.
patent: 5315612 (1994-05-01), Alcock et al.
Patrick Georges, et al., "High-Efficiency Multipass Ti:Sapphire Amplifiers For A Continuous-Wave Single-Mode Laser", 2412 Optics Letters, vol. 16, Feb. 1, 1991, No. 3, New York, NY, US, pp. 144-146.
Todd E. Olson, et al., "Multipass Diode-Pumped Nd:YAG Optical Amplifiers at 1.06 um and 1.32 um", 8342 IEEE Photonics Technology Letters, vol. 6, May 1994, No. 5, New York, US, pp. 605-608.
Henry Plaessmann, et al., "Multipass Diode-Pumped Solid-State Optical Amplifier", 2412 Optics Letters, vol. 18, No. 17, Sep. 1, 1993, Washington, US, pp. 1420-1422.

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