Chin. Phys. Lett.  2004, Vol. 21 Issue (12): 2418-2421    DOI:
Original Articles |
Dynamic Behaviour of Self-Diffraction in Bacteriorhodopsin Film
GUO Zong-Xia1;CHEN Gui-Ying1;ZHANG Chun-Ping1;TIAN Jian-Guo1;Q. Wang Song2;SHEN Bin3;FU Guang-Hua3
1Institute of Physics, Photonics Centre, Nankai University, Tianjin 300071 2Department of Electrical Engineering and Computer Science, Syracuse University, Syracuse, NY 13244, USA 3Tianjin Medical College for Continuing Education, Tianjin 300052
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GUO Zong-Xia, CHEN Gui-Ying, ZHANG Chun-Ping et al  2004 Chin. Phys. Lett. 21 2418-2421
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Abstract We investigate the dependences of the diffraction efficiency of the first order self-diffracted beam in bacteriorhodopsin (bR) films on the illumination time, the intensity and wavelength of the incident light. When the blue light ( λ = 488nm) and low intensity red light ( λ = 632.8nm) are incident on the bR film respectively, the diffraction efficiencies increase from zero to a stable value with the illumination time. When the green light ( λ = 533nm) and high-intensity red light illuminate the bR film respectively, the diffraction efficiencies increase from zero to the maximum and then decrease to a stable value with the illumination time. Rise and decay times are dependent on the intensity and wavelength of the incident light. The maximal diffraction efficiency of the red light is twice as high as that of the green light. The highest diffraction efficiency of 5.4% is obtained at 633 nm. The diffraction efficiency change with the time for the green light is larger than that for the blue and red light.
Keywords: 42.40.Lx      42.50.Gy     
Published: 01 December 2004
PACS:  42.40.Lx (Diffraction efficiency, resolution, and other hologram characteristics)  
  42.50.Gy (Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2004/V21/I12/02418
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GUO Zong-Xia
CHEN Gui-Ying
ZHANG Chun-Ping
TIAN Jian-Guo
Q. Wang Song
SHEN Bin
FU Guang-Hua
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