Application of bacteriorhodopsin film for polarization phase-shifting interferometry

Application of bacteriorhodopsin film for polarization phase-shifting interferometry
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细菌视紫红质薄膜在偏振相移干涉测量中的应用

DOI:
10.1080/09500340802082350
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发表时间:
2008-07
影响因子:
1.3
通讯作者:
Han, Junhe
Han, Junhe
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Wang, Yingli;Lei, Ming;Yao, Baoli;Gao, Peng;Chen, Liju;Han, Junhe

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细菌视紫红质(BR)膜的光致各向异性是基于线偏振激发光下BR分子的光致各向异性选择性漂白。它由线偏振光的偏振方向调制。记录在BR膜中的各向异性信息由圆偏振光读取,该圆偏振光又由BR膜转换成椭圆偏振光。椭圆偏振光的旋转角和椭圆率取决于线偏振激发光的偏振取向。从理论和实验上提出了一种基于BR膜光致各向异性的相移干涉仪。相移由外部激发光的偏振方向控制,因此,相移可以在干涉仪内部没有移动部件的情况下被控制,这有助于系统的机械稳定性。
Photoinduced anisotropy in bacteriorhodopsin (BR) film is based on photoanisotropic selective bleaching of BR molecules under linearly polarized excitation light. It is modulated by the polarization orientation of the linearly polarized light. The anisotropic information recorded in the BR film is read by a circularly polarized light, which is in turn converted into an elliptical polarized light by the BR film. The rotation angle and the ellipticity of the elliptical polarized light are dependent on the polarization orientation of the linearly polarized excitation light. A phase-shifting interferometer based on the photoinduced anisotropy of BR film is presented theoretically and experimentally. Phase shift is controlled by the polarization orientation of the external excitation light, thus, the phase shift can be controlled without moving parts inside the interferometer, which contributes to the mechanical stability of the system.
DOI: 10.1364/ao.24.003780
发表时间: 1985-11
期刊: Applied optics
影响因子: 1.9
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