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Title: Stress compensation by deposition of a nonuniform corrective coating

Abstract

Surface deformation by coating stress is compensated by prefiguring the substrate with a radially nonuniform layer of dense silica. Stresses in the compensation layer and reflector are modeled using finite element analysis to determine the optimal thickness profile, with the deposited coating reducing the surface deformation by 90%. As a result, this process is intended to allow implementation of both the compensation layer and the traditional multilayer coating in a single vacuum cycle.

Authors:
 [1];  [1];  [1]
  1. Univ. of Rochester, NY (United States)
Publication Date:
Research Org.:
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
Contributing Org.:
Laboratory for Laser Energetics, University of Rochester
OSTI Identifier:
1581627
Alternate Identifier(s):
OSTI ID: 1575838
Report Number(s):
2018-336, 2497, 1540
Journal ID: ISSN 1559-128X; APOPAI; 2018-336, 2497, 1540
Grant/Contract Number:  
NA0003856
Resource Type:
Accepted Manuscript
Journal Name:
Applied Optics
Additional Journal Information:
Journal Volume: 59; Journal Issue: 5; Conference: Optical Interference Coatings, Santa Ana Pueblo, NM (United States), 2-7 Jun 2019; Journal ID: ISSN 1559-128X
Publisher:
Optical Society of America
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Oliver, J. B., Spaulding, J., and Charles, B. Stress compensation by deposition of a nonuniform corrective coating. United States: N. p., 2019. Web. doi:10.1364/AO.59.000A54.
Oliver, J. B., Spaulding, J., & Charles, B. Stress compensation by deposition of a nonuniform corrective coating. United States. doi:10.1364/AO.59.000A54.
Oliver, J. B., Spaulding, J., and Charles, B. Mon . "Stress compensation by deposition of a nonuniform corrective coating". United States. doi:10.1364/AO.59.000A54.
@article{osti_1581627,
title = {Stress compensation by deposition of a nonuniform corrective coating},
author = {Oliver, J. B. and Spaulding, J. and Charles, B.},
abstractNote = {Surface deformation by coating stress is compensated by prefiguring the substrate with a radially nonuniform layer of dense silica. Stresses in the compensation layer and reflector are modeled using finite element analysis to determine the optimal thickness profile, with the deposited coating reducing the surface deformation by 90%. As a result, this process is intended to allow implementation of both the compensation layer and the traditional multilayer coating in a single vacuum cycle.},
doi = {10.1364/AO.59.000A54},
journal = {Applied Optics},
number = 5,
volume = 59,
place = {United States},
year = {2019},
month = {12}
}

Journal Article:
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