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

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  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).

1982 (1)

1977 (1)

H. E. Cline, T. R. Anthony, J. Appl. Phys. 48, 3895 (1977).
[CrossRef]

1939 (1)

W. Weibull, Ingenioers vetenskapsakad Handl. 151, 45 (1939);Ceram Abstr. 19, 78 (1940).

1920 (1)

A. A. Griffith, Philos. Trans. R. Soc. London Ser. A 221, 163 (1920).

Angell, C. A.

J. Wong, C. A. Angell, Glass Structure by Spectroscopy (Marcel Dekker, New York, 1976).

Anthony, T. R.

H. E. Cline, T. R. Anthony, J. Appl. Phys. 48, 3895 (1977).
[CrossRef]

Bartenev, M.

M. Bartenev, The Structure and Mechanical Properties of Inorganic Glass (Wolters-Noordfoff, Groningen, The Netherlands, 1970).

Bass, M.

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.

Boley, B. A.

B. A. Boley, J. H. Weiner, Theory of Thermal Stress (Wiley, New York, 1960).

Cline, H. E.

H. E. Cline, T. R. Anthony, J. Appl. Phys. 48, 3895 (1977).
[CrossRef]

Ernsberger, F. M.

F. M. Ernsberger, “Strength Controlling Structures in Glass,” in Research into Glass (Pittsburgh Plate Glass Co., Pittsburgh, Pa., 1967).

Griffith, A. A.

A. A. Griffith, Philos. Trans. R. Soc. London Ser. A 221, 163 (1920).

Lowdermilk, W. H.

Manson, S. S.

S. S. Manson, Thermal Stress and Low-Cycle Fatigue (McGraw-Hill, New York, 1966).

Milam, D.

Soileau, M. J.

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.

Temple, P. A.

P. A. Temple, W. H. Lowdermilk, D. Milam, Appl. Opt. 21, 3249 (1982).
[CrossRef] [PubMed]

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.

Weibull, W.

W. Weibull, Ingenioers vetenskapsakad Handl. 151, 45 (1939);Ceram Abstr. 19, 78 (1940).

Weiner, J. H.

B. A. Boley, J. H. Weiner, Theory of Thermal Stress (Wiley, New York, 1960).

Wong, J.

J. Wong, C. A. Angell, Glass Structure by Spectroscopy (Marcel Dekker, New York, 1976).

Appl. Opt. (1)

Ingenioers vetenskapsakad Handl. (1)

W. Weibull, Ingenioers vetenskapsakad Handl. 151, 45 (1939);Ceram Abstr. 19, 78 (1940).

J. Appl. Phys. (1)

H. E. Cline, T. R. Anthony, J. Appl. Phys. 48, 3895 (1977).
[CrossRef]

Philos. Trans. R. Soc. London Ser. A (1)

A. A. Griffith, Philos. Trans. R. Soc. London Ser. A 221, 163 (1920).

Other (8)

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.

B. A. Boley, J. H. Weiner, Theory of Thermal Stress (Wiley, New York, 1960).

F. M. Ernsberger, “Strength Controlling Structures in Glass,” in Research into Glass (Pittsburgh Plate Glass Co., Pittsburgh, Pa., 1967).

M. Bartenev, The Structure and Mechanical Properties of Inorganic Glass (Wolters-Noordfoff, Groningen, The Netherlands, 1970).

S. S. Manson, Thermal Stress and Low-Cycle Fatigue (McGraw-Hill, New York, 1966).

Optical Glass Catalog (Schott Optical Glass, Inc., Duryea, Pa. 18642).

J. Wong, C. A. Angell, Glass Structure by Spectroscopy (Marcel Dekker, New York, 1976).

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.

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