The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 08, 1982
Filed:
Dec. 03, 1980
John D Myers, Perrysburg, OH (US);
Charles S Vollers, Blissfield, MI (US);
Kigre, Inc., Toledo, OH (US);
Abstract
A phosphate laser glass in which the optical path length is substantially independent of temperature, or 'athermal', particularly under rapid pulsing, and chemically stable, while providing high gain. The base glass composition comprises, in mole percent, 55 to 70% P.sub.2 O.sub.5, 3 to 15% of an alkali metal oxide, preferably Li.sub.2 O plus K.sub.2 O, 20 to 30% BaO and 0.5 to 5% Al.sub.2 O.sub.3. Up to 15% of the BaO may be replaced by CaO, SrO or MgO and part of the Al.sub.2 O.sub.3 may be replaced by Nd.sub.2 O.sub.3. The total Al.sub.2 O.sub.3 plus Nd.sub.2 O.sub.3 is 4 mole percent .+-.1.5%. The laser glass composition also includes a laseable component, preferably Nd.sub.2 O.sub.3 and preferably includes a solarization inhibitor.