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1 September 1996 Applications of bacteriorhodopsin films for optical modulation and logic operations
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Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 2778AK (1996) https://doi.org/10.1117/12.2316069
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of
Abstract
Bacteriorhodopsin (bR) is the photodynamic protein complex found in the purple membrane of the Halobacterium halobium. The conformational changes of the bR molecule are associated with a photocycle. The initial B state of bR has an absorption peak at 570 nm while the long lived M state has an absorption peak at 412 nm. As the initial state has a broad absorption band it can be excited by means of red, yellow or green light. The M state can revert to the initial state via a thermal process or by a photochemical process by excitation with blue light. The lifetime of the M state can be dramatically altered by chemical and bioengineering methods. Several applications have already been proposed for bR as a photonic material.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
D. V. G. L. N. Rao "Applications of bacteriorhodopsin films for optical modulation and logic operations", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 2778AK (1 September 1996); https://doi.org/10.1117/12.2316069
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