A study on spatial light modulator of bacteriorhodopsin film | Zendy

Yang Wen-Zheng | Zendy; Qing Yang | Zendy; Feng Chen | Zendy; Xiaoqiang Feng | Zendy; Xun Hou | Zendy

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A study on spatial light modulator of bacteriorhodopsin film

Author(s) -

Yang Wen-Zheng,

Qing Yang,

Feng Chen,

Xiaoqiang Feng,

Xun Hou

Publication year - 2003

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.52.761

Subject(s) - bacteriorhodopsin , spatial light modulator , optics , materials science , optoelectronics , visible spectrum , absorption (acoustics) , optical modulator , physics , phase modulation , chemistry , biochemistry , membrane , phase noise

An optically addressed spatial light modulator (OA-SLM) is presented by using the excellent nonlinear-optical characteristics of bacteriorhodopsin films (BR films). The BR films have two dominant photoactive states (B state and M state) which have well-separated absorption bands with maxima of B state at 570nm and M state at 412nm. Using the ratio of the shift between the forward B→Mand backwardM→Bphotoreactions, the experimental study on the conversion of coherent-to-incoherent image is realized on BR films. Using the genetic manipulation of the BRD96N film as a sample, the 670nm coherent light as a writing light and the 530nm incoherent light as a readout light, the experimental results for the resolution of 200 lines/mm and the contrast of about 2.1∶1are achieved.

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