Effects of vacuum exposure on stress and spectral shift of high reflective coatings
Journal Article
·
· Applied Optics; (United States)
- Lawrence Livermore National Laboratory, University of California, L-463, P.O. Box 808, Livermore, California 94550 (United States)
Coating stress and spectral shift are affected by changing from ambient to vacuum environments. This change can affect optical systems that are aligned in air and used in a vacuum or in a dry environment. Spectral shifts up to 3% and reflected wave-front changes up to 0.35 waves peak to valley are reported for conventional electron-beam deposition and ion-assisted deposition. Alternatively, ion-beam sputtered coatings have virtually no changes between different pressure environments.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6036719
- Journal Information:
- Applied Optics; (United States), Vol. 32:28; ISSN 0003-6935
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
REFLECTIVE COATINGS
SPECTRAL SHIFT
STRESSES
VACUUM COATING
DEPOSITION
ELECTRON BEAMS
ENVIRONMENTAL EXPOSURE
ION BEAMS
OPTICAL SYSTEMS
BEAMS
COATINGS
LEPTON BEAMS
PARTICLE BEAMS
SURFACE COATING
665300* - Interactions Between Beams & Condensed Matter- (1992-)
SUPERCONDUCTIVITY AND SUPERFLUIDITY
REFLECTIVE COATINGS
SPECTRAL SHIFT
STRESSES
VACUUM COATING
DEPOSITION
ELECTRON BEAMS
ENVIRONMENTAL EXPOSURE
ION BEAMS
OPTICAL SYSTEMS
BEAMS
COATINGS
LEPTON BEAMS
PARTICLE BEAMS
SURFACE COATING
665300* - Interactions Between Beams & Condensed Matter- (1992-)