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Laser pumping cavity with polycrystalline powder coating

Patent ·
OSTI ID:7245931
A coating consisting of polycrystalline Sm/sub 2/O/sub 3/ powder dispersed in a Na/sub 2/SiO/sub 3/ or K/sub 2/SiO/sub 3/ binder may be provided on either the inner or outer lateral surface of a substantially tubular pumping cavity housing member for a Nd:YAG laser. The coating is absorptive of radiation at the lasing wavelength of about 1.06 ..mu..m and has a thickness sufficient to provide a high diffuse reflectivity for pumping radiation.
Assignee:
Hughes Aircraft Co.
Patent Number(s):
US 3979696
OSTI ID:
7245931
Country of Publication:
United States
Language:
English

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Related Subjects

42 ENGINEERING
420300* -- Engineering-- Lasers-- (-1989)
ALKALI METAL COMPOUNDS
CHALCOGENIDES
COATINGS
LASER CAVITIES
LASERS
NEODYMIUM LASERS
OXIDES
OXYGEN COMPOUNDS
POTASSIUM COMPOUNDS
POTASSIUM SILICATES
PUMPING
RARE EARTH COMPOUNDS
SAMARIUM COMPOUNDS
SAMARIUM OXIDES
SILICATES
SILICON COMPOUNDS
SODIUM COMPOUNDS
SODIUM SILICATES
SOLID STATE LASERS