Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/2209
Title: Measurements of photoinduced refractive index changes in bacteriorhodopsin films
Authors: Banyal, R. K
Prasad, B. R
Keywords: Bacteriorhodopsin;refractive index change
Issue Date: Mar-2007
Publisher: Indian Academy of Sciences
Citation: Pramana, Vol. 68, No. 3, pp. 435 - 441
Abstract: We report the pump--probe measurements of nonlinear refractive index changes in photochromic bacteriorhodopsin films. The photoinduced absorption is caused by pump beam at 532 nm and the accompanying refractive index changes are studied using a probe beam at 633 nm. The proposed technique is based on a convenient and accurate determination of optical path difference using digital interferometry-based local fringe shift. The results are presented for the wild-type as well as genetically modified D96N variant of the bacteriorhodopsin.
URI: http://hdl.handle.net/2248/2209
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