| Study of second-order nonlinear hyperpolarisability of all-trans-β-carotene in solutions by linear spectroscopic technique |
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| 引用本文： | 房文汇,门志伟,孙成林,曲冠男,杨光,里佐威,高淑琴,陆国会.Study of second-order nonlinear hyperpolarisability of all-trans-β-carotene in solutions by linear spectroscopic technique[J].中国物理 B,2010,19(6):64213-064213. |
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| 作者姓名： | 房文汇 门志伟 孙成林 曲冠男 杨光 里佐威 高淑琴 陆国会 |
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| 作者单位： | (1)College of Physics, Jilin University, Changchun 130021, China; (2)State Key Laboratory of Superhard Materials, College of Physics, Jilin
University, Changchun 130021, China; (3)State Key Laboratory of Superhard Materials, College of Physics, Jilin
University, Changchun 130021, China;College of Physics, Jilin University, Changchun 130021, China |
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| 基金项目： | Project supported by the National
Natural Science Foundation of China (Gant Nos.~10774057 and 10974067). |
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| 摘 要： | This paper demonstrates the second-order nonlinear
hyperpolarisability \gamma of all-trans-β-carotene in
different solvents by linear spectroscopic technique that is based on
resonance Raman scattering and UV--VIS (Ultraviolet-visible)
absorption spectroscopy. Owing to the two-level model well
describing the link that exists between the resonance Raman
scattering and stimulated Raman scattering, the stimulated Raman
polarisability α_{\rm R} can be calculated through the two-photon
resonance system. The value of \gamma of
all-trans-β-carotene in carbon bisulfide solution is
6.435\times 10^{-33} esu (1~esu of resistance
=8.98755\times10^{11}~\Omega) that is close to the true value,
because the solution of all-trans-β-carotene in carbon
bisulfide satisfies the rigid resonance Raman scattering condition. This
method is expected to be worthy of applications to measure the
second-order nonlinear hyperpolarisability of a conjugate organic
molecule.
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| 关 键 词： | all-trans-β-carotene second-order nonlinear hyperpolarisability rigid resonance Raman scattering UV-VIS absorption spectroscopy |
| 收稿时间： | 5/4/2009 12:00:00 AM |
Study of second-order nonlinear hyperpolarisability of all-trans-$\beta$-carotene in solutions by linear spectroscopic technique |
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| Fang Wen-Hui,MenZhi-Wei,Sun Cheng-Lin,Qu Guan-Nan,YangGuang,Li Zuo-Wei,Gao Shu-Qin and Lu Guo-Hui.Study of second-order nonlinear hyperpolarisability of all-trans-$\beta$-carotene in solutions by linear spectroscopic technique[J].Chinese Physics B,2010,19(6):64213-064213. |
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| Authors: | Fang Wen-Hui MenZhi-Wei Sun Cheng-Lin Qu Guan-Nan YangGuang Li Zuo-Wei Gao Shu-Qin and Lu Guo-Hui |
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| Institution: | State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130021, China; College of Physics, Jilin University, Changchun 130021, China |
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| Abstract: | This paper demonstrates the second-order nonlinear
hyperpolarisability \gamma of all-trans-β-carotene in
different solvents by linear spectroscopic technique that is based on
resonance Raman scattering and UV--VIS (Ultraviolet-visible)
absorption spectroscopy. Owing to the two-level model well
describing the link that exists between the resonance Raman
scattering and stimulated Raman scattering, the stimulated Raman
polarisability α_{\rm R} can be calculated through the two-photon
resonance system. The value of \gamma of
all-trans-β-carotene in carbon bisulfide solution is
6.435\times 10^{-33} esu (1~esu of resistance
=8.98755\times10^{11}~\Omega) that is close to the true value,
because the solution of all-trans-β-carotene in carbon
bisulfide satisfies the rigid resonance Raman scattering condition. This
method is expected to be worthy of applications to measure the
second-order nonlinear hyperpolarisability of a conjugate organic
molecule. |
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| Keywords: | all-trans-β-carotene second-order nonlinear hyperpolarisability rigid resonance Raman scattering UV--VIS absorption spectroscopy |
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