Coherent light generators – Particular temperature control
Patent
1998-02-17
2000-03-07
Healy, Brian
Coherent light generators
Particular temperature control
372 29, 372 33, 372 36, 372 39, 372 69, 372 70, H01S 304
Patent
active
060349778
ABSTRACT:
A method of controlling the thermal optical path difference (OPD) in a lasing medium in a solid state laser during pumping of a lasing medium 10 including a pair of side faces 12 for receiving radiation during pumping and a pair of edge faces 16, comprises the steps of determining a temperature difference, .DELTA.T.sub.min, between the side faces and the edge faces that corresponds with approximately a minimum, OPD.sub.min, in the OPD, and maintaining about .DELTA.T.sub.min during pumping of the lasing medium, such that the OPD is maintained at approximately OPD.sub.min. The temperature difference is maintained by controlling heat transfer at the edge faces of the lasing medium. The temperature difference between the edge faces and the side faces can be actively controlled such that the method can be automated.
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Healy Brian
TRW Inc.
Yatsko Michael S.
LandOfFree
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