Coherent light generators – Particular temperature control
Patent
1987-09-29
1988-12-06
Sikes, William L.
Coherent light generators
Particular temperature control
372 66, 372 72, 372 92, 372103, H01S 3045, H01S 317
Patent
active
047899883
ABSTRACT:
A solid-state laser having a smoothly moving lasing material. A closely toleranced, fluid-bearing assembly extends around the slab of moving lasing material for both supporting and cooling the slab of material with a film of a thermally conductive fluid, such as helium. The lasing means, which causes a portion of the lasing material to heat, is immediately adjacent the fluid-bearing assembly, and the heated lasing material is moved into the fluid-bearing assembly for cooling as soon as possible after it has been heated by the lasing operation. The slab of lasing material can be in the form of a rectangular block or a ring with a rectangular cross section. In the first case, the slab of lasing material is moved through the fluid-bearing assembly in a back-and-forth motion by a transport mechanism. In the second case, the ring is cooled by driving it through the fluid-bearing assembly in a single direction.
REFERENCES:
patent: 3633126 (1972-01-01), Martin et al.
patent: 4555786 (1985-11-01), Byer
Basu et al; "A Moving-Slab Geometry Nd: Glass Laser"; Optical Society of America; vol. 11, No. 10/Oct. 1986; pp. 617-619.
Basu et al; "A Proposed IKW--Laser"; IEEE Journal of Quantum Electronics, vol. QE-22, No. 10; Oct. 1986; pp. 2052-2057.
Sikes William L.
Spectra-Physics Inc.
Vo Xuan
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