Synchrotron-radiation-induced damages in optical materials

Alexandre Gatto; Norbert Kaiser; Stefan Guenster; Detlev Ristau; Francesca Sarto; Mauro Trovo; M. B. Danailov

doi:10.1117/12.472487

30 May 2003 Synchrotron-radiation-induced damages in optical materials

Alexandre Gatto, Norbert Kaiser, Stefan Guenster, Detlev Ristau, Francesca Sarto, Mauro Trovo, M. B. Danailov

Proceedings Volume 4932, Laser-Induced Damage in Optical Materials: 2002 and 7th International Workshop on Laser Beam and Optics Characterization; (2003) https://doi.org/10.1117/12.472487
Event: XXXIV Annual Symposium on Optical Materials for High Power Lasers: Boulder Damage Symposium, 2002, Boulder, CO, United States

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.

Citation Download Citation

Alexandre Gatto, Norbert Kaiser, Stefan Guenster, Detlev Ristau, Francesca Sarto, Mauro Trovo, and M. B. Danailov "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, (30 May 2003); https://doi.org/10.1117/12.472487

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