Laser glasses with high damage threshold and method of making su

Details Laser glasses with high damage threshold and method of making su Laser glasses with high damage threshold and method of making su

1974-06-03

1976-05-04

Douglas, Winston A.

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

106 52, C09K 1108, C03C 304, C03C 330

Patent

active

039546560

ABSTRACT:
Laser glasses having high resistance to self-damage during operation are formed in all ceramic melting units, in the presence of a fining agent to eliminate the formation of metallic inclusions and semi-conductive inclusions and using base glass compositions with reduced tendency toward microphase separation and devitrification. The major ingredients of the glass batches include silicon dioxide, alkali and alkaline earth nitrates, carbonates and fluorides. The method involves introducing oxidizing compounds into the reaction mixture in a sufficient amount that during the reaction and fining phase, oxidizing conditions are maintained throughout the entire volume of the glass melt.

REFERENCES:
patent: 3422025 (1969-01-01), Switzer et al.
patent: 3471409 (1969-10-01), Lee et al.
patent: 3535266 (1970-10-01), Lee

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