Fluorophosphate-base laser glasses

Details Fluorophosphate-base laser glasses Fluorophosphate-base laser glasses

1977-07-27

1978-10-17

McCarthy, Helen M.

Compositions

Inorganic luminescent compositions

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

106 47Q, 106 47R, 331 945E, C03C 316, C09K 1108

Patent

active

041208145

ABSTRACT:
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 %.

REFERENCES:
patent: 3549554 (1970-12-01), Hirayama et al.
patent: 3615764 (1971-10-01), Krolla
patent: 3656976 (1972-04-01), Izumitani
patent: 3743492 (1973-07-01), Ogita
patent: 3846142 (1974-11-01), Buzhinsky et al.
Pouwain, M. et al., "Verres Fluores au Tetraflorures de Zirconium Proprietes Optiques d'un Verre Dope au Nd.sup.3+ " Mat. Res. Bull., 10 (4) ,1975, pp. 243-246.
Galant V. E., et al., "Optical Media--Methods of Producing Fluorphosphate Flints"--Sov., J. Opt. Tech., 41, (11), Nov. 1974, pp. 524-526.

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