Coherent light generators – Particular temperature control
Patent
1991-07-19
1993-04-13
Scott, Jr., Leon
Coherent light generators
Particular temperature control
372101, 372102, 372 69, 372 23, 372 6, 372 71, 372 75, H01S 304
Patent
active
052028933
ABSTRACT:
An end pumped solid-state laser is comprised of a resonator formed of a pair of mirrors and a laser rod disposed between the pair of mirrors, an exciting light source for generating a pumping light which excites the laser rod and a converging optical element for converging the pumping light from the exciting light source so that the converged pumping light is irradiated on an end face of the laser rod. The wavelength of the light generated from the exciting light source is widened in band and/or a converging optical element having a large wavelength dispersion is employed, whereby heat generation in the optical axis direction of the laser rod is uniformed so as to generate a laser beam of large power.
REFERENCES:
patent: 4399541 (1983-08-01), Kovats et al.
patent: 4847851 (1989-07-01), Dixon
patent: 4890289 (1989-12-01), Basu et al.
patent: 5025449 (1991-06-01), Yamamoto
Patent Abstracts of Japan, vol. 11, No. 341 (E-554) [2788], Nov. 7, 1987; and JP-A-62 120 080 (NEC) Jan. 6, 1987.
Patent Abstracts of Japan, vol. 14, No. 348 (E-957) [6291], Jul. 27, 1990; and JP-A-2 122 581 (Toshiba) Oct. 5, 1990.
Optical Engineering, vol. 22, No. 2, Mar./Apr. 1983, pp. 247-255; G. Evans et al.: "Applications of Semiconductor Lasers in Space Communications".
Optics Letters, vol. 13, No. 4, Apr. 1988, pp. 306-308; J. Berger et al.: "Fiber-Bundle Coupled, Diode End-Pumped" ND; YAG Laser.
Kaneda Yushi
Kubota Shigeo
Jr. Leon Scott
Sony Corporation
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