Pile-irradiation-induced photoluminescence in vitreous silica

Shouichi Nasu; Sokumi Oonishi; Hidehito Nanto; Ryoichi Yamamoto; Takaaki Tanifuji; Tetsuya Nakazawa; Kenji Noda; Takaumi Kimura; Zenko Yoshida; Yoshiharu Kato; Tatsushi Igarashi; Yukihiro Morimoto; Takeo Matsushima; Takao Toyomane

doi:10.1117/12.200980

9 February 1995 Pile-irradiation-induced photoluminescence in vitreous silica

Shouichi Nasu, Sokumi Oonishi, Hidehito Nanto, Ryoichi Yamamoto, Takaaki Tanifuji, Tetsuya Nakazawa, Kenji Noda, Takaumi Kimura, Zenko Yoshida, Yoshiharu Kato, Tatsushi Igarashi, Yukihiro Morimoto, Takeo Matsushima, Takao Toyomane

Author Affiliations +

Proceedings Volume 2362, International Conference on Excitonic Processes in Condensed Matter; (1995) https://doi.org/10.1117/12.200980
Event: Excitonic Processes in Condensed Matter: International Conference, 1994, Darwin, Australia

Abstract

Commercially available vitreous silica, Suprasil P-20 and GE-124, were irradiated in JRR-2 to the total fast neutron fluences of 2.6 X 10¹⁷ nvt. Ultraviolet optical absorption, photoluminescence (PL), PL excitation and infrared absorption were measured at room temperature. Three PL peaks at 4.3 eV, 2.7 eV and 2.2 eV were clearly observed for pile irradiated specimens excited by 254 nm (4.88 eV) light, in addition to the intrinsic PL. A 1.9 eV PL was observed in the time resolved PL experiment for pile-irradiated specimens excited by fourth harmonic Nd:YAG laser light of 5 mJ/cm² pulse. Fourier transform infrared attenuated total reflection measurement showed no bond angle changes in Si-O-Si bridging angle.

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Shouichi Nasu, Sokumi Oonishi, Hidehito Nanto, Ryoichi Yamamoto, Takaaki Tanifuji, Tetsuya Nakazawa, Kenji Noda, Takaumi Kimura, Zenko Yoshida, Yoshiharu Kato, Tatsushi Igarashi, Yukihiro Morimoto, Takeo Matsushima, and Takao Toyomane "Pile-irradiation-induced photoluminescence in vitreous silica", Proc. SPIE 2362, International Conference on Excitonic Processes in Condensed Matter, (9 February 1995); https://doi.org/10.1117/12.200980

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