書誌事項
- タイトル別名
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- Photochemical Hole Burning of Sm2+ in Sodium Borate Glasses Induced by Near-Infrared Femtosecond-Laser Irradiation.
- Photochemical Hole Buring of Sm〔2+〕 in Sodium Borate Glasses Induced by Near-Infrared Femtosecond-Laser Irradiation
- Photochemical Hole Buring of Sm 2 in Sodium Borate Glasses Induced by Near Infrared Femtosecond Laser Irradiation
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We report on photochemical hole burning of Sm2+ in sodium borate glasses irradiated with femtosecond-laser pulses of 800nm wavelength. The irradiation of Sm3+-doped sodium borate glasses with femtosecond-laser pulses causes electron-trapped Sm3+, i.e., Sm2+ and point defects such as an oxygen hole center and an electron trapped near Na+. The measurements of spectral hole burning were carried out for the 5D0-7F0 transition of Sm2+ using a DCM dye laser. Photoionization hole burning is observed at 77K to room temperature for the glasses exposed to femtosecond-laser pulses, and also for the glasses prepared by melting under reducing conditions. The hole-burning efficiency of Sm2+ produced by the photoinduced process is about twice higher than that by the thermal process. It is thought that the metastable Sm2+ ions and oxygen hole centers induced by femtosecond-laser irradiation are responsible for the observed phenomenon. We propose that the efficient photoionization hole burning is caused by the photostimulated recombination of the electron trapped by Sm3+ with the oxygen hole center.
収録刊行物
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- Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌)
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Journal of the Ceramic Society of Japan (日本セラミックス協会学術論文誌) 109 (1270), 484-488, 2001
公益社団法人 日本セラミックス協会
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詳細情報 詳細情報について
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- CRID
- 1390282680226547200
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- NII論文ID
- 110002288852
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- NII書誌ID
- AN10040326
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- ISSN
- 18821022
- 09145400
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- NDL書誌ID
- 5793337
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可