Solid-state laser amplifier

Details Solid-state laser amplifier Solid-state laser amplifier

1997-07-17

1999-02-16

Sanghavi, Hemang

Coherent light generators

Particular resonant cavity

Folded cavity

372 94, 372106, 372 75, H01S 3081

Patent

active

058728040

ABSTRACT:
A passive eight-pass solid-state laser amplifier is constructed using a quarter-wave plate (11), a total reflection mirror (12), a polarization beam splitter (5), and a total reflection mirror (6) while input/output faces of a hexagonal zigzag slab solid-state laser medium (15) optically pumped are kept nearly perpendicular to pulsed laser light. Thermal birefringence takes place in the laser medium (15) optically pumped with good symmetry by flash lamps or LDs (9) and is compensated for by a quartz 90.degree. rotator (10). Linearly s-polarized laser light reflected by a polarization beam splitter (3) is output as pulsed laser output light (13) to the outside. Owing to this, saturation laser amplification can be achieved using output laser light from a pulsed laser oscillator of relatively low output, as source light.

REFERENCES:
patent: 4710940 (1987-12-01), Sipes, Jr.
patent: 4955034 (1990-09-01), Scerbak
patent: 5249196 (1993-09-01), Scheps
patent: 5610936 (1997-03-01), Cantoni
IEEE Journal of Quantum Electronics. vol. 30. No. 4, Apr. 1994 Compact, Single-Frequency, High-Power ND: Glass Laser, V.P. Yanovsky et al, pp. 884-886.
Institute of Laser engineering, Osaka University (2-6 Yamada-Oka, Suita, Osaka 565) Two-Dimensional Thermal Stress-Induced Birefringence Measurement and Its Compensation Experiment in the Laser-Diode Pumped Solid-State Laser Materials, H.Kiriyama et al., pp. 343-352, May 1996.

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