Coherent light generators – Particular active media – Plural active media or active media having plural dopants
Patent
1991-03-14
1991-09-10
Gonzalez, Frank
Coherent light generators
Particular active media
Plural active media or active media having plural dopants
372 97, 372106, 372100, 359347, 359349, 359495, H01S 314
Patent
active
050480308
ABSTRACT:
A light amplifying device comprising an optical oscillator constituted by first and second reflective mirrors and a common reflective mirror disposed in an optically opposite relation to each other, a polarized beam splitter for making a laser beam incoming from the side of the common reflective mirror incident on the first or second reflective mirror, and for making laser beams incoming from the sides of the first and second reflective mirrors incident on the common mirror, first and second amplifying media disposed in optical paths of the respective laser beams for amplifying the laser beams, and an optical element for rotating the polarizing plane of the laser beam reflected by the common reflective mirror by a predetermined angle. The laser beams emitted from the first and second amplyfying media are repeatedly between the first and second reflective mirrors and the common reflective mirror while being amplified through the respective amplifying media, for being emitted from the common reflective mirror as a high-energy synthesized laser beam in a single polarized state.
REFERENCES:
patent: 3407364 (1968-11-01), Turner
patent: 3414840 (1968-12-01), Di Domenico, Jr. et al.
patent: 3576502 (1971-04-01), Johnston, Jr. et al.
patent: 3736526 (1973-05-01), Simmons
patent: 4199226 (1980-04-01), Weber et al.
Hecht and Zajac, Optics, Addison-Wesley, Reading MA, Sections 8.4.3, 8.7.1 and 8.11.2, 1979.
Fuji Photo Film Co. , Ltd.
Gonzalez Frank
Morse Susan S.
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