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1 July 2005 14-Fluoro-Bacteriorhodopsin Gelatin Films for Dynamic Holography Recording
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Abstract

The first dynamic holography recording using 14-fluoro-(14-F) bacteriorhodopsin (BR) gelatin films has been achieved. 14-F BR is an artificial BR pigment made by reconstitution of bacterioopsin (native BR without chromophore) with synthetic 14-F retinal. Low-intensity red light from a cw He-Ne laser was used for dynamic holography recording on the 14-F wild type (WT) BR and 14-F D96N mutant BR in gelatin films. There is not true comparing the diffraction efficiency for 14-F D96N BR and 14-F WT gelatin film, unlike the increased diffraction efficiency for D96N BR gelatin film with native chromophore relative to the WT BR gelatin film with native chromophore. Pre-illumination with blue light of the 14-F BR gelatin films significantly increases the diffraction efficiency of both the 14-F WT and the 14-F D96N BR pigments. The sequential application of blue and red laser beams indicates that 14-F BR gelatin films can be useful for optical memory.

Elena Korchemskaya, Nikolai Burykin, Angel de Lera, Rosana Alvarez, Sergey Pirutin, and Anna Druzhko "14-Fluoro-Bacteriorhodopsin Gelatin Films for Dynamic Holography Recording," Photochemistry and Photobiology 81(4), 920-923, (1 July 2005). https://doi.org/10.1562/2004-12-24-RA-405R.1
Received: 24 December 2004; Accepted: 1 March 2005; Published: 1 July 2005
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