Tensile stresses in hafnia/silica coatings used in vacuum are modified by changes in process variables and design. Stress aging is extended through the use of thin-layer designs, but long-term improvements in stress are not realized.
© 2010 The Optical Society
J. B. Oliver, P. Kupinski, A. L. Rigatti, A. W. Schmid, J. C. Lambropoulos, S. Papernov, A. Kozlov, and R. D. Hand, "Modification of Stresses in Evaporated Hafnia Coatings for Use in Vacuum," in Optical Interference Coatings, OSA Technical Digest (Optical Society of America, 2010), paper WD6.
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