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以532 nm皮秒脉冲作抽运光,采用单光束Z-扫描技术对具有激发态分子内质子转移效应的有机分子2-(2'-羟基苯基)苯并噻唑(HBT)在其双光子吸收区的非线性光学特性进行了研究.实验结果表明,对532 nm波长的光,HBT分子存在明显的双光子吸收.通过拟合开孔Z-扫描实验数据,求解了HBT分子在其双光子吸收区的非线性吸收系数,并探讨了抽运光强度对介质双光子吸收效应的影响.采用高斯分解法,通过拟合闭孔Z-扫描除以开孔Z-扫描数据,理论推
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关键词:
- 2-(2'-羟基苯基)苯并噻唑(HBT) /
- 激发态分子内质子转移 /
- 双光子吸收 /
- 非线性光学特性
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[15] Balamurali M M, Dogra S K 2002 J. Photoch. Photobio. A 154 81
[16] Mahanta S, Singh R B, Nath D, Guchhait N 2008 J. Photoch. Photobio. A 197 62
[17] Zheng J J, Guo Y X, Li X P, Zhang G L, Chen W J 2006 J. Opt. A: Pure Appl. Opt. 8 835
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[1] Madsena D, Stenger J, Dreyer J, Nibbering E T J, Hamm P, Elsaesser T 2001 Chem. Phys. Lett. 341 56
[2] Oncul S, Demchenko A P 2006 Spectrochim. Acta A 65 179
[3] Balamurali M M, Dogra S K 2004 Chem. Phys. 305 95
[4] Feng W, Yi W H, Feng Y Y, Wu Z G, Zhang Z Z 2006 Acta Phys. Sin. 55 3772 (in Chinese) [封 伟、易文辉、冯奕钰、吴子刚、张振中 2006 物理学报 55 3772]
[5] Zheng J J, Zhang G L, Guo Y X, Li X P, Chen W J 2007 Chin. Phys. 16 1047
[6] Gao C, Xiao Q, Qiu S J, Hou C Q, Xu P P, Liu J Q 2009 Acta Phys. Sin. 58 3579 (in Chinese) [高 潮、肖 奇、邱少君、侯超奇、许培培、刘建群 2009 物理学报 58 3579]
[7] Nunes R M D, Arnaut L G, Solntsev K M, Tolbert L M, Formosinho S J 2005 J. Am. Chem. Soc. 127 11890
[8] Basaric N, Wan P 2006 Photochem. Photobiol. 5 656
[9] Mondal S K, Ghosh S, Sahu K, Sen P, Bhattacharyya K 2007 J. Chem. Sci. 119 71
[10] Nie D, Bian Z, Yu A, Chen Z, Liu Z, Huang C 2008 Chem. Phys. 348 181
[11] Fukuda M, Terazima M, Kimura Y 2008 Chem. Phys. Lett. 463 364
[12] Wang R, Liu D, Xu K, Li J 2009 Photochem. Photobiol. A 205 61
[13] Chaudhuri S, Pahari B, Sengupta P K 2009 Biophys. Chem. 139 29
[14] Sheik-Bahae M, Said A A, Wei T H, Hagan D J, van Stryland E W 1990 IEEE J. Quantum Elect. 26 760
[15] Balamurali M M, Dogra S K 2002 J. Photoch. Photobio. A 154 81
[16] Mahanta S, Singh R B, Nath D, Guchhait N 2008 J. Photoch. Photobio. A 197 62
[17] Zheng J J, Guo Y X, Li X P, Zhang G L, Chen W J 2006 J. Opt. A: Pure Appl. Opt. 8 835
[18] Zheng J J, Zhang G L, Wu F, Ma L N, Chen W J 2008 Spectrosc. Spect. Anal. 28 970 (in Chinese) [郑加金、张桂兰、吴 峰、马丽娜、陈文驹 2008 光谱学与光谱分析 28 970]
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