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Proceedings Paper

Factors affecting the transmission and stability in complex fluorides in VUV spectral region
Author(s): Martin Nikl; Hiroki Sato; Eva Mihokova; Toshiro Mabuchi; Teruhiko Nawata; A. Yoshikawa; Jan Pejchal; Naoriaki Kawaguchi; Sumito Ishizu; Kentaro Fukuda; Toshihisa Suyama
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Paper Abstract

Transmittance and radiation induced absorbance in VUV-UV-visible spectral region were measured in several binary and complex fluoride single crystals at room temperature. Influence of the intentional doping and material stochiometry is demonstrated. X-ray induced coloration and degradation of transmittance characteristics are observed and discussed in terms of creation of various electron (F-like) and hole (VK- and H-like) centers and in terms of near band-edge transitions arising due to imperfect periodicity of the lattice in a general sense. It is shown that VUV characteristics cannot be derived or predicted from those observed in UV-visible spectral region.

Paper Details

Date Published: 18 May 2009
PDF: 10 pages
Proc. SPIE 7361, Damage to VUV, EUV, and X-Ray Optics II, 73610S (18 May 2009); doi: 10.1117/12.822558
Show Author Affiliations
Martin Nikl, Institute of Physics (Czech Republic)
Hiroki Sato, Fukuda X'ral Lab. (Japan)
Eva Mihokova, Institute of Physics (Czech Republic)
Toshiro Mabuchi, Tokuyama Co. (Japan)
Teruhiko Nawata, Tokuyama Co. (Japan)
A. Yoshikawa, Tohoku Univ. (Japan)
Jan Pejchal, Institute of Physics (Japan)
Tohoku Univ. (Japan)
Naoriaki Kawaguchi, Tokuyama Co. (Japan)
Sumito Ishizu, Tokuyama Co. (Japan)
Kentaro Fukuda, Tokuyama Co. (Japan)
Toshihisa Suyama, Tokuyama Co. Ltd. (Japan)

Published in SPIE Proceedings Vol. 7361:
Damage to VUV, EUV, and X-Ray Optics II
Libor Juha; Saša Bajt; Ryszard Sobierajski, Editor(s)

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