Optical: systems and elements – Optical frequency converter
Patent
1989-10-12
1992-12-22
Arnold, Bruce Y.
Optical: systems and elements
Optical frequency converter
359328, 359330, 359332, 372 21, 372 22, 385112, H03F 700, G02F 135, H01S 310
Patent
active
051737990
ABSTRACT:
A change in the wavelength of a laser beam is achieved by causing the beam to have a conical wavefront and applying it to a nonlinear crystal so that the beam converges along the center axis producing an output beam of a different wavelength. The conical wavefront is achieved by use of lenses, mirrors and crystals with conical surfaces.
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Arnold Bruce Y.
Fuji Electric & Co., Ltd.
Shafer R. D.
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