Phosphate glass useful in high energy lasers

Details Phosphate glass useful in high energy lasers Phosphate glass useful in high energy lasers

1990-12-20

1992-12-22

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 47, 501 48, 501 73, 501 77, 501 78, 501152, 2523014P, 2523016P, C03C 316, C03C 319, C03C 317, C03C 3062

Patent

active

051734567

ABSTRACT:
A low-or no-silica, low- or no-alkali phosphate glass useful as a laser amplifier in a multiple pass, high energy laser system having a high thermal conductivity, K.sub.90.degree. C. >0.85 W/mK, a low coefficient of thermal expansion, .alpha..sub.20.degree.-300.degree. C. <80.times.10.sup.-7 /.degree.C., low emission cross section, .sigma.<2.5.times.10.sup.-20 cm.sup.2, and a high fluorescence lifetime, .tau.>325 .mu.secs at 3 wt. % Nd doping, consisting essentially of (on an oxide composition basis):

REFERENCES:
patent: 5032315 (1991-07-01), Hayden et al.

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