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利用532 nm脉冲激光进行水的受激拉曼散射研究，通过改变激光焦点与水-空气界面的距离，获得截然不同的OH伸缩振动受激斯托克斯和反斯托克斯谱线. 焦点距水-空气界面大于20 mm时，只存在 ±3400 cm-1的斯托克斯和反斯托克斯谱线；焦点距离水-空气界面小于20 mm时，存在±3000和± 3400 cm-1的斯托克斯和反斯托克斯谱线；继续缩小焦点与水-空气界面的距离，3000 cm-1谱线被增强，而3400 cm-1谱线被削弱. 研究结果表明，激光诱导水产生的等离子体增强了局部水分子的氢键，导致OH伸缩振动红移，同时过剩电子增强了水的OH伸缩振动受激拉曼散射.532 nm pulse beam is used to induce the stimulated Raman scatting of water molecules. Different Stocks and anti-Stocks characteristic peaks of OH stretching vibrational from water molecules are obtained when the position of the focal spot is changed. The unique ± 3400 cm-1 Stokes characteristic peak with its anti-Stokes is present when the distance between focal spot and interface is fixed to be over 20 mm; both ±3000 cm-1 and ±3400 cm-1 with their anti-Stokes exist when the distance is reduced under 20 mm; both characteristic peaks are enhanced especially the 3000 cm-1 peak whose change is more remarkable when the spot continues to move up. Experimental results indicate that laser-induced plasma generated from water molecules enhances the stimulated Raman scattering of OH stretching vibrational from water molecules by affecting hydrogen bonds between water molecules and OH from single water molecules.
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Keywords:
- stimulated Raman scattering /
- laser-induced plasma generation /
- hydrogen bonds /
- water molecules
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[2] Salzmann C G, Hallbrucker A, Fommey J K, Mayer E 2006 Chem. Phys. Lett. 429 469
[3] Chang H C, Huang K H, Yeh Y L, Lim S H 2000 Chem. Phys. Lett. 326 93
[4] Li F F, Cui Q L, He Z, Cui T, Zhang J, Zhou Q, Zou G T 2005 J. Chem. Phys. 123 174511
[5] Liu C S, Liang Y F, Zhu Z G, Li G X 2005 Chin. Phys. B 14 785
[6] Wei J F, Sun L Q, Zhang K, Hu X Y 2014 Chin. Phys. B 23 074209
[7] Fang W H, Li Z W, Sun C L, Li Z L, Song W, Men Z W, He L Q 2012 Chin. Phys. B 21 034211
[8] Sceats M, Rice S A, Butler J E 1975 J. Chem. Phys. 63 5390
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[10] Yui H, Yoneda Y, Kitamori T, Sawada T 1999 Phys. Rev. Lett. 82 4110
[11] Yui H, Sawada T 2000 Phys. Rev. Lett. 85 3512
[12] Zhang L, Dong Q L, Zhao J, Wang S J, Sheng Z M, He M Q, Zhang J 2009 Acta Phys. Sin. 58 1837 (in Chinese) [张蕾, 董全力, 赵静, 王首钧, 盛政明, 何民卿, 张杰 2009 物理学报 58 1837]
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[14] Grant K J, Paul G L 1990 Appl. Spectrosc. 44 1349
[15] Telle H R, Laubereau A 1980 Opt. Commun. 34 287
[16] Yui H, Fujiwara H, Sawada T 2002 Chem. Phys. Lett. 360 53
[17] Yui H, Sawada T 2003 Rev. Sci. Instrum. 74 456
[18] Yui H, Nakajima T, Hirao K, Sawada T J 2003 Phys. Chem. A 107 968
[19] Li Z L, Wang Y D, Zhou M, Men Z W, Sun C L, Li Z W 2012 Acta Phys. Sin. 61 064217 (in Chinese) [李占龙, 王一丁, 周密, 门志伟, 孙成林, 里佐威 2012 物理学报 61 064217]
[20] Graener H, Seifert G, Laubereau A 1991 Phys. Rev. Lett. 66 2092
[21] Yui H, Kato H, Someya Y 2008 J. Raman Spectrosc. 39 1688
[22] Walrafen G E 1967 J. Chem. Phys. 47 114
[23] Yui H 2010 Anal. Bioanal. Chem. 397 1181
[24] Zhu Z Q, Wang X L 2011 Acta Phys. Sin. 60 085205 (in Chinese) [朱竹青, 王晓雷 2011 物理学报 60 085205]
[25] Liu X L, Sun S H, Cao Y, Sun M Z, Liu Q C, Hu B T 2013 Acta Phys. Sin. 62 045201 (in Chinese) [刘小亮, 孙少华, 曹瑜, 孙铭泽, 刘情操, 胡碧涛 2013 物理学报 62 045201]
[26] Xu Z J 2013 Ph. D. Dissertation (Tianjin: Nankai University) (in Chinese) [徐智君 2013 博士学位论文 (天津: 南开大学)]
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[1] Lee S, Kim J, Lee S, Kim K S 1997 Phys. Rev. Lett. 79 2038
[2] Salzmann C G, Hallbrucker A, Fommey J K, Mayer E 2006 Chem. Phys. Lett. 429 469
[3] Chang H C, Huang K H, Yeh Y L, Lim S H 2000 Chem. Phys. Lett. 326 93
[4] Li F F, Cui Q L, He Z, Cui T, Zhang J, Zhou Q, Zou G T 2005 J. Chem. Phys. 123 174511
[5] Liu C S, Liang Y F, Zhu Z G, Li G X 2005 Chin. Phys. B 14 785
[6] Wei J F, Sun L Q, Zhang K, Hu X Y 2014 Chin. Phys. B 23 074209
[7] Fang W H, Li Z W, Sun C L, Li Z L, Song W, Men Z W, He L Q 2012 Chin. Phys. B 21 034211
[8] Sceats M, Rice S A, Butler J E 1975 J. Chem. Phys. 63 5390
[9] Mikenda W, Steinböck S 1996 J. Mol. Struct. 384 159
[10] Yui H, Yoneda Y, Kitamori T, Sawada T 1999 Phys. Rev. Lett. 82 4110
[11] Yui H, Sawada T 2000 Phys. Rev. Lett. 85 3512
[12] Zhang L, Dong Q L, Zhao J, Wang S J, Sheng Z M, He M Q, Zhang J 2009 Acta Phys. Sin. 58 1837 (in Chinese) [张蕾, 董全力, 赵静, 王首钧, 盛政明, 何民卿, 张杰 2009 物理学报 58 1837]
[13] Braun A, Korn G, Liu X, Du D, Squier J, Mourou G 1995 Opt. Lett. 20 73
[14] Grant K J, Paul G L 1990 Appl. Spectrosc. 44 1349
[15] Telle H R, Laubereau A 1980 Opt. Commun. 34 287
[16] Yui H, Fujiwara H, Sawada T 2002 Chem. Phys. Lett. 360 53
[17] Yui H, Sawada T 2003 Rev. Sci. Instrum. 74 456
[18] Yui H, Nakajima T, Hirao K, Sawada T J 2003 Phys. Chem. A 107 968
[19] Li Z L, Wang Y D, Zhou M, Men Z W, Sun C L, Li Z W 2012 Acta Phys. Sin. 61 064217 (in Chinese) [李占龙, 王一丁, 周密, 门志伟, 孙成林, 里佐威 2012 物理学报 61 064217]
[20] Graener H, Seifert G, Laubereau A 1991 Phys. Rev. Lett. 66 2092
[21] Yui H, Kato H, Someya Y 2008 J. Raman Spectrosc. 39 1688
[22] Walrafen G E 1967 J. Chem. Phys. 47 114
[23] Yui H 2010 Anal. Bioanal. Chem. 397 1181
[24] Zhu Z Q, Wang X L 2011 Acta Phys. Sin. 60 085205 (in Chinese) [朱竹青, 王晓雷 2011 物理学报 60 085205]
[25] Liu X L, Sun S H, Cao Y, Sun M Z, Liu Q C, Hu B T 2013 Acta Phys. Sin. 62 045201 (in Chinese) [刘小亮, 孙少华, 曹瑜, 孙铭泽, 刘情操, 胡碧涛 2013 物理学报 62 045201]
[26] Xu Z J 2013 Ph. D. Dissertation (Tianjin: Nankai University) (in Chinese) [徐智君 2013 博士学位论文 (天津: 南开大学)]
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