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Title: Fluorophosphate-base laser glasses

Patent ·
OSTI ID:6339627

The invention discloses a fluorophosphate-base laser glass having a low non-linear refractive index coefficient and a low liquid phase temperature and comprising a glass composed of 5 to 25% 1/2P/sub 2/O/sub 5/ and the remainder of metal fluorides and 0.01 to 3% 1/2Nd/sub 2/O/sub 3/ being incorporated into the glass, and more particularly a fluorophosphate-base laser glass comprising 5 to 25% 1/2P/sub 2/O/sub 5/, 20 to 35% AlF/sub 3/, 0 to 5% YF/sub 3/, 22 to 55% BaF/sub 2/ + SrF/sub 2/ + CaF/sub 2/ + MgF/sub 2/, 0 to 25% NaF + LiF + KF and 0.01 to 3% 1/2Nd/sub 2/O/sub 3/, all % being cationic %.

Assignee:
Hoya Corp.
Patent Number(s):
US 4120814
OSTI ID:
6339627
Resource Relation:
Patent Priority Date: Priority date 28 Feb 1977, Japan
Country of Publication:
United States
Language:
English