Surface figure changes due to thermal cycling hysteresis

S. F. Jacobs, S. C. Johnston, Jose M Sasian, M. Watson, J. D. Targove, D. Bass

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

How does thermal cycling hysteresis affect surface figure in low expansivity mirror substrates? Zerodur, ULE, and Cer-Vit 20.3-cm (8-in.) diam mirrors and dilatometer samples were thermally cycled at 6 and 60 K/h with uniform and nonuniform heating. Figure distortions as large as X/10 were observed only with nonuniform heating of standard Zerodur, which was the only material exhibiting thermal hysteresis. A new experimental Zerodur appears to be free of this problem.

Original languageEnglish (US)
Pages (from-to)4438-4442
Number of pages5
JournalApplied Optics
Volume26
Issue number20
DOIs
StatePublished - Oct 15 1987

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Thermal cycling
Hysteresis
hysteresis
mirrors
Heating
extensometers
cycles
Dilatometers
heating
Mirrors
Substrates
Hot Temperature

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Jacobs, S. F., Johnston, S. C., Sasian, J. M., Watson, M., Targove, J. D., & Bass, D. (1987). Surface figure changes due to thermal cycling hysteresis. Applied Optics, 26(20), 4438-4442. https://doi.org/10.1364/AO.26.004438

Surface figure changes due to thermal cycling hysteresis. / Jacobs, S. F.; Johnston, S. C.; Sasian, Jose M; Watson, M.; Targove, J. D.; Bass, D.

In: Applied Optics, Vol. 26, No. 20, 15.10.1987, p. 4438-4442.

Research output: Contribution to journalArticle

Jacobs, SF, Johnston, SC, Sasian, JM, Watson, M, Targove, JD & Bass, D 1987, 'Surface figure changes due to thermal cycling hysteresis', Applied Optics, vol. 26, no. 20, pp. 4438-4442. https://doi.org/10.1364/AO.26.004438
Jacobs SF, Johnston SC, Sasian JM, Watson M, Targove JD, Bass D. Surface figure changes due to thermal cycling hysteresis. Applied Optics. 1987 Oct 15;26(20):4438-4442. https://doi.org/10.1364/AO.26.004438
Jacobs, S. F. ; Johnston, S. C. ; Sasian, Jose M ; Watson, M. ; Targove, J. D. ; Bass, D. / Surface figure changes due to thermal cycling hysteresis. In: Applied Optics. 1987 ; Vol. 26, No. 20. pp. 4438-4442.
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