Fourier-transform spectroscopy in dye-doped polymers using the femtosecond accumulated photon echo.
Fourier-transform spectroscopy in dye-doped polymers using the femtosecond accumulated photon echo.
复制标题
使用飞秒累积光子回波在染料掺杂聚合物中进行傅里叶变换光谱。
DOI：
10.1103/physrevb.38.7777
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发表时间：
1988
期刊：
影响因子：
--
通讯作者：
Tato
中科院分区：
文献类型：
--
作者：
Saikan;Nakabayashi;Kanematsu;Tato
利用飞秒累积光子回波技术和非相干光在染料掺杂聚合物中进行了傅里叶变换光谱研究。在零声子谱线与其它谱线成分（包括声子边带、电子振动谱线和光产物态）之间存在几种干涉效应或量子拍频。基于包含渡越频率调制的密度矩阵，指出在累积光子回波中，弛豫函数的因式分解近似严格成立。我们还阐明了外差探测回波信号的傅里叶余弦变换提供了烧孔谱。
Fourier-transform spectroscopy using the technique of femtosecond accumulated photon echo with incoherent light has been performed in dye-doped polymers. Several types of interference effect or quantum beat between the zero-phonon line and other spectral components including the phonon sideband, the vibronic lines, and the photoproduct state have been observed. Based on the density matrix incorporating the transition-frequency modulation, it is pointed out that the factorization approximation for the relaxation function holds rigorously in the accumulated photon echo. We also clarified that the Fourier cosine transform of the heterodyne-detected echo signal provides the hole-burning spectrum.