High reflectance laser resonator cavity

Patent · Tue Feb 14 00:00:00 EST 1989

OSTI ID:6297545

Gibson, J O; Gearhart, V C; Birrell, S E; Hawrylow, G M

A method for making an alumina ceramic body for use in a laser to provide a pump cavity is described wherein laser radiation at a lasing wavelength is produced, the method comprising the step of sintering alumina powder at a temperature of between about 1300/sup 0/-1425/sup 0/C for a sufficient time to form a sintered alumina ceramic body having grain sizes of between about 0.3 to 0.5 microns.

• Assignee: Hughes Aircraft Co., Los Angeles, CA
• Patent Number(s): US 4805181
• OSTI ID: 6297545
• Resource Relation: Patent File Date: Filed date 21 Mar 1988
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
36 MATERIALS SCIENCE
ALUMINIUM OXIDES
FABRICATION
CAVITY RESONATORS
CERAMICS
LASERS
LASER CAVITIES
POWDERS
PRODUCTION
SINTERING
VERY HIGH TEMPERATURE
ALUMINIUM COMPOUNDS
CHALCOGENIDES
ELECTRONIC EQUIPMENT
EQUIPMENT
OXIDES
OXYGEN COMPOUNDS
RESONATORS
420300* - Engineering- Lasers- (-1989)
360201 - Ceramics
Cermets
& Refractories- Preparation & Fabrication