Comparison of technology for high-power laser mirrors and synchrotron radiation mirrors

Harold E. Bennett; Ali M. Khounsary

doi:10.1117/12.163826

12 November 1993 Comparison of technology for high-power laser mirrors and synchrotron radiation mirrors

Harold E. Bennett, Ali M. Khounsary

Proceedings Volume 1997, High Heat Flux Engineering II; (1993) https://doi.org/10.1117/12.163826
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

There are obvious differences but some surprising similarities between high-power laser mirrors designed for use in the visible and infrared wavelengths and synchrotron mirrors designed for use at x-ray wavelengths. The use of synchrotron mirrors at grazing incidence results in a relaxation of figure, surface microroughness, and thermal heating tolerances relative to the wavelength of nearly two orders of magnitude. As a result, the tolerances become roughly comparable to those desired for high-power laser mirrors for the visible region of the spectrum. Experience gained over the years by laser mirror designers in substrate design, the influence of metallic coatings on thermal and optical performance and limiting values for surface microroughness, may be helpful to designers of synchrotron systems. Exploitation of the promise of the new synchrotron systems still represents a challenging problem for researchers. The specifications and operational approaches to meeting them for the new Advanced Photon Source at Argonne National Laboratory are given.

Citation Download Citation

Harold E. Bennett and Ali M. Khounsary "Comparison of technology for high-power laser mirrors and synchrotron radiation mirrors", Proc. SPIE 1997, High Heat Flux Engineering II, (12 November 1993); https://doi.org/10.1117/12.163826

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