Development of a Process Model for CO 2 Laser Mitigation of Damage Growth in Fused Silica

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 5273, Issue , 2004, Pages 145-154

  Feit, M D ^a   Rubenchik, A M ^a   Boley, C D ^a   Rotter, M ^a  

^a LAWRENCE LIVERMORE NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BEAM PARAMETERS; BEAM SHAPES; DAMAGE GROWTH; RADIATION TRANSPORT;

CARBON DIOXIDE LASERS; COMPUTER SIMULATION; EVAPORATION; HEAT CONDUCTION; LIGHT ABSORPTION; MATHEMATICAL MODELS; SILICA; THERMAL STRESS;

LASER DAMAGE;

EID: 5544231400     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.523867     Document Type: Conference Paper

References (11)

1. P. A. Temple, D. Milam and W. H. Lowdermilk, "CO2 laser polishing of fused silica surfaces for increased laser damage resistance at 1.06 μm, Nat. Bur. Stand. (U.S.) Spec. Publ. 568, 229-36 (1979).
2. P. A. Temple and M. J. Soileau," 1.06 nm laser-induced breakdown of CO2-laser-polished fused SiO2", Nat. Bur. Stand. (U.S.) Spec. Publ. 620, 180-89 (1981).
3. P.A. Temple, W.H. Lowdermilk, D. Milam, "Carbon dioxide laser polishing of fused silica surfaces for increased laser-damage resistance at 1064 nm", Appl. Opt. 21, 3249-55 (1982).
4. P. A. Temple, S. C. Seitel, and D. L. Gate," CO2 Laser Polishing of Fused Silica: Recent Progress", Nat. Bur. Stand. (U.S.) Spec. Publ. 669, 130-37 (1984)
5. L.W.Hrubesh, M.A.Norton, W.A.Molander, E.E.Donohue, S.M.Maricle, B.M.Penetrante, R.M.Brusasco, W.Grundler, J.A.Butler, J.W.Carr, R.M.Hill, L.J.Summers, M.D.Feit, A.Rubenchik, M.H.Key, P.J.Wegner, A.K.Burnham, L.A. Hackel and M.R.Kozlowski, "Methods for mitigating surface damage growth on NIF final optics, Laser-Induced Damage in Optical Materials: 2001, Proc. SPIE 4679, (2002).
6. M.A. Norton, L.W. Hrubesh, Z. Wu, E.E. Donohue, M.D. Feit, M.R. Kozlowski, D. Milam, K.P. Neeb, W.A. Molander, A.M. Rubenchik, W.D.f Sell and P. Wegner, "Growth of laser initiated damage in fused silica at 351 nm", Laser-Induced Damage in Optical Materials: 2000, Proc. SPIE 4347, 468-468 (2001).
7. 2 lasers", Laser Induced Damage in Optical Materials: 2003, Proc. SPIE 5273 (2004) (paper 5273-49 in these proceedings)
8. M.D. Feit and A.M. Rubenchik, ""Mechanisms of CO2 laser mitigation of laser damage growth in fused silica", Laser Induced Damage in Optical Materials:2002, Proc. SPIE 4932, 91-102 (2003)
9. C. D. Boley and J. T. Early, "Computational Model of Drilling with High Radiance Pulsed Lasers," Proc. Intern. Conf. on Applications of Lasers and Electro-Optics, Orlando, FL, Vol. 79, p. 499 (1994).
10. The actual experimental data contains an overall tilt which has been removed as well as an arbirary zero of height. We have attempted to put the zero of height in the flat portion of the surface outside the mitigated spot. Note that not all the data sets have perfectly flat outer regions.
11. B.A. Boley and J.H. Weiner, Theory of Thermal Stresses, J.H. Wiley & Sons, (1960)