BASIC STUDY FOR SELF-INDUCED OPTICAL PULSE GENERATION USING RECURSIVE PHOTOCHROMATIC PROCESS

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The objective of this research is development of self-induced optical pulse generation using recursive photochromatic process. In general, a living thing is considered to be a kind of the optimized system. Applying it in engineering effectively, development of a novel and eco-friendly functional material is expectable. In this project, the optical receptiveness protein which exists also in our eyes is taken up. Optical receptiveness protein changes the form by the difference in the color of light (isomerization). It returns to the form of a basis through the process of some isomerization. Focusing on this recursive optical isomerization of the optical receptiveness protein, the phenomenon under existence of the multi-caolor light as environment is examined paying attention to its various behavior.For the purpose, we have proposed the novel method for modulation of light using the recursive photochromatic process of optical receptiveness protein. To verify the proposed method, we adopted "bacteriorhodopsin" as an optical receptiveness protein. As a result of experimental verification, we confirmed that the proposed method function successfully in bacteriorhodopsin. To make a full use of various properties of bacteriorhodopsin in this method, we delved into the this recursive optical isomerization of bacteriorhodopsin from ultra-fast regime to slow one.From the results of this research, we can obtain the important knowledge, with which the proposed method would become a new approach for application of bio-materials (ex. optical pulse generation).