Spectroscopic observation of the forward and backward IR emission of bacteriorhodopsin under broadband optical pumping
参考中译:宽带光泵浦下细菌视紫红质前向和后向红外发射的光谱观察


          

刊名：Laser Physics Letters
作者：E L Terpugov（Institute of Cell Biophysics of the Russian Academy of Sciences, Federal Research Center 'Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences'）
O V Degtyareva（Institute of Cell Biophysics of the Russian Academy of Sciences, Federal Research Center 'Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences'）
V V Savranskii（Prokhorov General Physics Institute of Russian Academy of Sciences）
刊号：537E0003
ISSN：1612-2011
出版年：2022
年卷期：2022, vol.19, no.10
页码：105602-1--105602-6
总页数：6
分类号：TN241
关键词：Bacteriorhodopsin；Stimulated infrared emission；FT-IR spectroscopy；Optical excitation；Multi-frequency light；Vibrational dynamics experiments
参考中译：细菌视紫红质；受激红外发射；FT-IR光谱；光激发；多频光；振动动力学实验
语种：eng
文摘：For the first time, it was demonstrated that the secondary IR emission stimulated by visible light propagates not only in the direction opposite to the exciting beam, but also in the forward direction. Furthermore, by a control of the forward-directed beam arrival back at the sample time-picosecond resolution was achieved. Using the forward-directed beam as a probe beam, we were able to obtain additional information about the properties of the bacteriorhodopsin in the excited state. The performed studies open the possibility for analyzing the molecular excitation, vibrational coupling, and relaxation processes directly during electronic excitation in picoseconds time scales.
参考中译：首次证明了可见光激发的二次红外发射不仅沿与激发光相反的方向传播，而且还沿正向传播。此外，通过控制前向光束在样品时间返回，实现了皮秒分辨率。使用正向光束作为探测光束，我们能够获得有关细菌视紫红质在激发态的性质的额外信息。所进行的研究为在皮秒时间尺度上直接分析电子激发过程中的分子激发、振动耦合和驰豫过程提供了可能。



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