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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 1 — Jan. 1, 1992
  • pp: 115–119

Delayed elastic effects in Zerodur at room temperature

John W. Pepi  »View Author Affiliations


Applied Optics, Vol. 31, Issue 1, pp. 115-119 (1992)
http://dx.doi.org/10.1364/AO.31.000115


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Abstract

Continuous testing at room temperature of large optics made of Zerodur has revealed a delayed elastic effect under low stress levels during both load and recovery after removal. Using a high-performance mechanical profilometer, a delayed strain of the order of 1% is realized over a period of a few weeks. The time-dependent phenomenon is elastic and reversible, but must be accounted for in various applications of optical design.

© 1992 Optical Society of America

History
Original Manuscript: February 19, 1991
Published: January 1, 1992

Citation
John W. Pepi, "Delayed elastic effects in Zerodur at room temperature," Appl. Opt. 31, 115-119 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-1-115

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