Utilization of magnetorheological finishing as a diagnostic tool for investigating the three-dimensional structure of fractures in fused silica

Joseph A. Menapace; Pete J. Davis; William A. Steele; Lana L. Wong; Tayyab I. Suratwala; Philip E. Miller

doi:10.1117/12.638840

7 February 2006 Utilization of magnetorheological finishing as a diagnostic tool for investigating the three-dimensional structure of fractures in fused silica

Joseph A. Menapace, Pete J. Davis, William A. Steele, Lana L. Wong, Tayyab I. Suratwala, Philip E. Miller

Author Affiliations +

Proceedings Volume 5991, Laser-Induced Damage in Optical Materials: 2005; 599102 (2006) https://doi.org/10.1117/12.638840
Event: Boulder Damage Symposium XXXVII: Annual Symposium on Optical Materials for High Power Lasers, 2005, Boulder, CO, United States

Abstract

We have developed an experimental technique that combines magnetorheological finishing (MRF) and microscopy to examine fractures and/or artifacts in optical materials. The technique can be readily used to provide access to, and interrogation of, a selected segment of a fracture or object that extends beneath the surface. Depth slicing, or cross-sectioning at selected intervals, further allows the observation and measurement of the three-dimensional nature of the sites and the generation of volumetric representations that can be used to quantify shape and depth, and to understand how they were created, how they interact with surrounding material, and how they may be eliminated or mitigated.

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Joseph A. Menapace, Pete J. Davis, William A. Steele, Lana L. Wong, Tayyab I. Suratwala, and Philip E. Miller "Utilization of magnetorheological finishing as a diagnostic tool for investigating the three-dimensional structure of fractures in fused silica", Proc. SPIE 5991, Laser-Induced Damage in Optical Materials: 2005, 599102 (7 February 2006); https://doi.org/10.1117/12.638840

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