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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 22, Iss. 18 — Sep. 15, 1983
  • pp: 2933–2936

Thermal stress limitations to laser fire polishing of glasses

Y. M. Xiao and Michael Bass  »View Author Affiliations


Applied Optics, Vol. 22, Issue 18, pp. 2933-2936 (1983)
http://dx.doi.org/10.1364/AO.22.002933


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Abstract

The process of laser fire polishing of optical glasses is shown to work very well for materials with small coefficients of thermal expansion. The surfaces of other glasses crack during laser fire polishing or during cool down from an elevated preheat temperature. An analytical model is described and is used to show that, in materials which cannot be laser fire-polished, the thermal-gradient stress resulting from differential expansion exceeds the yield stress. Successful laser fire polishing of fused quartz and Pyrex glasses is reported.

© 1983 Optical Society of America

History
Original Manuscript: April 22, 1983
Published: September 15, 1983

Citation
Y. M. Xiao and Michael Bass, "Thermal stress limitations to laser fire polishing of glasses," Appl. Opt. 22, 2933-2936 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-18-2933


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References

  1. P. A. Temple, M. J. Soileau, “1.06-μm Laser Induced Breakdown of CO2-Laser-Polished Fused SiO2,” Natl. Bur. Stand. (U.S.) Spec. Publ.620 (1980), p. 180.
  2. P. A. Temple, W. H. Lowdermilk, D. Milam, Appl. Opt. 21, 3249 (1982). [CrossRef] [PubMed]
  3. M. Bass, “Laser Heating of Solids,” in Proceedings, 1980 NATO Summer School on Physical Processes in Laser Materials Interactions, Villa Le Pianore, Italy (Plenum, New York, 1983); to be published.
  4. H. E. Cline, T. R. Anthony, J. Appl. Phys. 48, 3895 (1977). [CrossRef]
  5. B. A. Boley, J. H. Weiner, Theory of Thermal Stress (Wiley, New York, 1960).
  6. A. A. Griffith, Philos. Trans. R. Soc. London Ser. A 221, 163 (1920).
  7. W. Weibull, Ingenioers vetenskapsakad Handl. 151, 45 (1939);Ceram Abstr. 19, 78 (1940).
  8. F. M. Ernsberger, “Strength Controlling Structures in Glass,” in Research into Glass (Pittsburgh Plate Glass Co., Pittsburgh, Pa., 1967).
  9. M. Bartenev, The Structure and Mechanical Properties of Inorganic Glass (Wolters-Noordfoff, Groningen, The Netherlands, 1970).
  10. S. S. Manson, Thermal Stress and Low-Cycle Fatigue (McGraw-Hill, New York, 1966).
  11. Optical Glass Catalog (Schott Optical Glass, Inc., Duryea, Pa. 18642).
  12. J. Wong, C. A. Angell, Glass Structure by Spectroscopy (Marcel Dekker, New York, 1976).

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