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Title: Alkali resistant optical coatings for alkali lasers and methods of production thereof

Abstract

In one embodiment, a multilayer dielectric coating for use in an alkali laser includes two or more alternating layers of high and low refractive index materials, wherein an innermost layer includes a thicker, >500 nm, and dense, >97% of theoretical, layer of at least one of: alumina, zirconia, and hafnia for protecting subsequent layers of the two or more alternating layers of high and low index dielectric materials from alkali attack. In another embodiment, a method for forming an alkali resistant coating includes forming a first oxide material above a substrate and forming a second oxide material above the first oxide material to form a multilayer dielectric coating, wherein the second oxide material is on a side of the multilayer dielectric coating for contacting an alkali.

Inventors:
; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1164003
Patent Number(s):
8,889,251
Application Number:
13/023,841
Assignee:
Lawrence Livermore National Security, LLC. (Livermore, CA) LSO
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Soules, Thomas F, Beach, Raymond J, and Mitchell, Scott C. Alkali resistant optical coatings for alkali lasers and methods of production thereof. United States: N. p., 2014. Web.
Soules, Thomas F, Beach, Raymond J, & Mitchell, Scott C. Alkali resistant optical coatings for alkali lasers and methods of production thereof. United States.
Soules, Thomas F, Beach, Raymond J, and Mitchell, Scott C. Tue . "Alkali resistant optical coatings for alkali lasers and methods of production thereof". United States. https://www.osti.gov/servlets/purl/1164003.
@article{osti_1164003,
title = {Alkali resistant optical coatings for alkali lasers and methods of production thereof},
author = {Soules, Thomas F and Beach, Raymond J and Mitchell, Scott C},
abstractNote = {In one embodiment, a multilayer dielectric coating for use in an alkali laser includes two or more alternating layers of high and low refractive index materials, wherein an innermost layer includes a thicker, >500 nm, and dense, >97% of theoretical, layer of at least one of: alumina, zirconia, and hafnia for protecting subsequent layers of the two or more alternating layers of high and low index dielectric materials from alkali attack. In another embodiment, a method for forming an alkali resistant coating includes forming a first oxide material above a substrate and forming a second oxide material above the first oxide material to form a multilayer dielectric coating, wherein the second oxide material is on a side of the multilayer dielectric coating for contacting an alkali.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {11}
}

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Works referenced in this record:

Pulsed laser deposition of alumina and zirconia thin films on polymers and glass as optical and protective coatings
journal, September 1999