Coherent light generators – Particular pumping means
Patent
1994-06-30
1998-06-30
Bovernick, Rodney B.
Coherent light generators
Particular pumping means
372 68, 372 70, 372 35, 372 36, H01S 3094
Patent
active
057744882
ABSTRACT:
A solid-state laser in which a rod (10) of lasing material is held within an optical cavity formed within a cooling block (40) having a highly surface facing the rod. A longitudinal slit (44) formed in the block from the optical cavity to the outside allows the pumping light from an emission line (36) of semiconductor stripe lasers (30) fabricated on a laser bar (28) to irradiate the laser rod and multiply reflect within the optical cavity. Thereby, pump light is efficiently absorbed by the laser rod, and the laser rod is thermally controlled. Alternatively, cooling liquid (124) can flow axially along the laser rod and within an axially extending optical cavity formed by a reflective coating (125) deposited on a tube (122) enclosing the cooling liquid and having a slit (126) through which pump light is irradiated.
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Bovernick Rodney B.
Guenzer Charles S.
Lightwave Electronics Corporation
Song Yisun
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