Diode pumped laser with frequency conversion into UV and DUV ran

Details Diode pumped laser with frequency conversion into UV and DUV ran Diode pumped laser with frequency conversion into UV and DUV ran

1998-08-24

1999-12-14

Scott, Jr., Leon

Coherent light generators

Particular temperature control

372 22, H01S 304

Patent

active

060026979

ABSTRACT:
A solid state laser is provided including a rare earth-doped YAG, YLF, YVO, GSGG, YALO or GdVO oscillator crystal, at least one laser diode pumping source, a Q-switch short pulse generator, a frequency doubling stage and frequency quadrupling or quintupling stages. The frequency quadrupling or quintupling stages include a nonlinear optical crystal such as CLBO, BBO or LBO built into a housing. The housing is sealed off to prevent external moisture and other atmospheric impurities from accessing the crystal at its interior. The housing interior is configured for purging with one or more external inert gases or dry air through valve controls. The housing is equipped with a mechanism for controlling the temperature of the interior of the housing, and consequently for controlling the temperature of the crystal. The temperature controlling mechanism enables heating and cooling of the crystal, as well as maintaining the crystal at a constant selected temperature. The housing includes optical windows transparent for input and output radiation.

REFERENCES:
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patent: 5898718 (1999-04-01), Mohatt et al.
"Effects of Moisture on CLBO", OSA Topics, vol. 10 Advanced Solid State Lasers, C.R. Pollock and W.R. Bosenberg eds., OSA, 1997.

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