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The optical nonlinearity, including the nonlinear absorption, the nonlinear refraction and the third-order nonlinear polarizability of 2-(2'-hydroxyphenyl)benzothiazole (HBT) in cyclohexane, has been investigated using a single-beam Z-scan technique. The experiment and calculations show that HBT molecules have obvious two-photon absorption (TPA) effect under the 532 nm picosecond pulsed laser irradiation. The values of the TPA coefficient β0 for different pulse irradiance and the corresponding imaginary part χ(3)I of the third-order nonlinear polarizability were determined according to the open-aperture Z-scan results. Then we measured the nonlinear refractive index γ and the real part χ(3)R of the third-order nonlinear polarizability of HBT, and calculated these two nonlinear parameters with "Gaussian decomposition" method according to the close-aperture Z-scan and open-aperture Z-scan results, when the nonlinear refraction was accompanied by nonlinear absorption. The theoretical results agree very well with the experimental results. This work provides a theoretical as well as a experimental basis for further research and development of the application of the material.
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Keywords:
- 2-(2'-hydroxyphenyl)benzothiazole (HBT) /
- excited state intramolecular proton transfer(ESIPT) /
- two-photon absorption /
- optical nonlinearity
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[2] Oncul S, Demchenko A P 2006 Spectrochim. Acta A 65 179
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[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 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 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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[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 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 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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