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Proceedings Article

Synchrotron-radiation-induced damages in optical materials

[+] Author Affiliations
Alexandre Gatto, Norbert Kaiser

Fraunhofer-Institut fuer Angewandte Optik und Feinmechanik (Germany)

Stefan Guenster, Detlev Ristau

Laser Zentrum Hannover e.V. (Germany)

Francesca Sarto

ENEA (Italy)

Mauro Trovo, M. B. Danailov

Sincrotrone Trieste S.C.p.A. (Italy)

Proc. SPIE 4932, Laser-Induced Damage in Optical Materials: 2002 and 7th International Workshop on Laser Beam and Optics Characterization, 366 (May 28, 2003); doi:10.1117/12.472487
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From Conference Volume 4932

  • Laser-Induced Damage in Optical Materials: 2002 and 7th International Workshop on Laser Beam and Optics Characterization
  • Gregory J. Exarhos; Arthur H. Guenther; Norbert Kaiser; Keith L. Lewis; M. J. Soileau; Christopher J. Stolz; Adolf Giesen; Horst Weber
  • Boulder, CO | September 16, 2002

abstract

Synchrotron radiation sources and free electron lasers (FEL) represent practical approaches to produce high photon flux down to the VUV wavelength region or the X-ray spectral range. But operating brilliant photon sources requires to overcome severe and crucial damage problems. Optical material are exposed to high power broad band radiation extending from far IR to gamma rays. Typically, materials suffer series of picoseconds pulses at MHz repetition rate with multi photon energy ranging from few eV to several keV. Damages observed on some oxide and fluoride materials irradiated with synchrotron radiation and UV free electron lasers are reviewed. Surface and bulk damages, increased roughness, modification of spectral properties and change of crystalline structures are observed and described. Contamination elements like carbon are detected as major aging factor.

© (2003) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Alexandre Gatto ; Norbert Kaiser ; Stefan Guenster ; Detlev Ristau ; Francesca Sarto, et al.
"Synchrotron-radiation-induced damages in optical materials", Proc. SPIE 4932, Laser-Induced Damage in Optical Materials: 2002 and 7th International Workshop on Laser Beam and Optics Characterization, 366 (May 28, 2003); doi:10.1117/12.472487; http://dx.doi.org/10.1117/12.472487


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