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Title: Phosphate glass useful in high energy lasers

In a high energy laser system utilizing phosphate laser glass components to amplify the laser beam, the laser system requires a generated laser beam having an emission bandwidth of less than 26 nm and the laser glass components consist essentially of (on an oxide composition basis) in mole percent: P{sub 2}O{sub 5}, 50--75; Al{sub 2}O{sub 3}, {gt}0--10; K{sub 2}O, {gt}0--30; MgO, 0--30; CaO, 0--30; Li{sub 2}O, 0--20; Na{sub 2}O, 0--20; Rb{sub 2}O, 0--20; Cs{sub 2}O, 0--20; BeO, 0--20; SrO, 0--20; BaO, 0--20; ZnO, 0--20; PbO, 0--20; B{sub 2}O{sub 3}, 0--10; Y{sub 2}O{sub 3}, 0--10; La{sub 2}O{sub 3}, 0--8; Ln{sub 2}O{sub 3}, 0.01--8; wherein the sum of MgO and CaO is >0--30; the sum of Li{sub 2}O, Na{sub 2}O, Rb{sub 2}O, and Cs{sub 2}O is 0--20; the sum of BeO, SrO, BaO, ZnO, and PbO is 0--20; the sum of B{sub 2}O{sub 3} and Y{sub 2}O{sub 3} is 0--10; and Ln{sub 2}O{sub 3} represents the sum of the oxides of active lasing lanthanides of atomic number 58--71. 21 figs.
Inventors:
 [1];  [2];  [1];  [3];  [4];  [5]
  1. (Clarks Summit, PA)
  2. (Castro Valley, CA)
  3. (Livermore, CA)
  4. (Moscow, PA)
  5. (Dublin, CA)
Issue Date:
OSTI Identifier:
870466
Assignee:
Schott Glass Technologies, Inc. (Duryea, PA); United States of America as represented by Department of Energy (Washington, DC) LLNL
Patent Number(s):
US 5526369
Application Number:
07/957184
Contract Number:
W-7405-ENG-48
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
phosphate; glass; useful; energy; lasers; laser; utilizing; components; mplify; beam; requires; generated; emission; bandwidth; 26; nm; consist; essentially; oxide; composition; basis; mole; 50-75; 0-10; 0-30; mgo; cao; 0-20; na; rb; cs; beo; sro; bao; zno; pbo; 0-8; ln; 01-8; represents; oxides; active; lasing; lanthanides; atomic; 58-71; laser glass; oxide composition; laser beam; phosphate glass; energy laser; composition basis; glass useful; energy lasers; emission bandwidth; generated laser; phosphate laser; active lasing; /372/252/501/

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