| 飞秒激光诱导硼酸盐基团的转变 |
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| 引用本文： | 杨晓燕,余昺鲲,姜雄伟,曾慧丹.飞秒激光诱导硼酸盐基团的转变[J].上海大学学报(英文版),2003,7(1):55-59. |
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| 作者姓名： | 杨晓燕 余昺鲲 姜雄伟 曾慧丹 |
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| 作者单位： | Department of Physics，College of Science，Shanghai University，Department of Physics，College of Science，Shanghai University，Photon Craft Project，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences，Photon Craft Project，Shanghai Institute of Optics and Fine Mechanics，Chinese Academy of Sciences Shanghai 200436，China，Shanghai 200436，China，Shanghai 201800，China，Japan Science and Technology Corporation，Japan，Shanghai 201800，China，Japan Science and Technology Corporation，Japan |
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| 基金项目： | theNationalNaturalSciencesFoundationofChina (GrantNo .5 983 2 0 80 ) |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ Ｓｉｎｃｅｔｈｅ 90’ｓ ,ｔｈｅｆｅｍｔｏｓｅｃｏｎｄｌａｓｅｒｔｅｃｈｎｉｑｕｅｓｈａｖｅｂｅｅｎｕｓｅｄｔｏｓｔｕｄｙｖａｒｉｏｕｓｕｌｔｒａ ｐｒｏｃｅｓｓｗｉｔｈｉｎｍａｔｅｒｉａｌｓ,ｂｅｃａｕｓｅｏｆｉｔｓｈｉｇｈｔｉｍｅ ｒｅｓｏｌｕｔｉｏｎ .Ｉｎｃｈｅｍｉｃａｌｒｅａｃｔｉｏｎｓ ,ｃｈｅｍｉｃａｌｂｏｎｄｂｒｅａｋｉｎｇｏｒｂｏｎｄｆｏｒｍａｔｉｏｎｉｓｏｎｔｈｅｓｃａｌｅｏｆｆｅｍｔｏｓｅｃｏｎｄ (10 - 15ｓｅｃ ｏｎｄ) 1] .Ｗｉｔｈｆｅｍｔｏｓｅｃｏｎ…
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| 关 键 词： | 光子诱导 硼酸钡玻璃 毫微微秒激光器 多光子吸收 碰撞电离 网状解聚作用 β-BaB2O4 |
| 收稿时间： | 24 May 2002 |
Photon-induced borate groups transformation by femtosecond laser |
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| Xiao-Yan Yang,Bing-Kun Yu,Xiong-Wei Jiang,Hui-Dau Zeng.Photon-induced borate groups transformation by femtosecond laser[J].Journal of Shanghai University(English Edition),2003,7(1):55-59. |
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| Authors: | Xiao-Yan Yang Bing-Kun Yu Xiong-Wei Jiang Hui-Dau Zeng |
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| Institution: | 1. Department of Physics, College of Science, Shanghai University, Shanghai 200436, China
2. Photon Craft Project, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800,Chin; Japan Science and Technology Corporation, Japan |
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| Abstract: | In this paper, we put emphasis on the analysis the mechanism of the photon-induced frequency conversion β-BaB2O4 crystal inside a borate glass using femtosecond laser. Because of the nature of femtosecond laser’s ultra-short pulse duration
and high-energy density, in essence the laser-glass interaction mechanism is changed. Based on multiphoton ionization, collisional
ionization and the network depolymerization in the borate glass, production of the plasma drives the microstructure rearrangement
near the laser beam focusing area. From the structure of glass and crystal analysis, we conclude that the complicated borate
groups containing BO3 and BO4 units inside the glass are converted into(B3O6)−3 anion rings.
Project supported by the National Natural Sciences Foundation of China (Grant No. 59832080) |
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| Keywords: | femtosecond laser multiphoton absorption collisional ionization network depolymerization |
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