| Budget Amount *help |
¥16,640,000 (Direct Cost: ¥12,800,000、Indirect Cost: ¥3,840,000)
Fiscal Year 2018: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2017: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2016: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
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| Outline of Final Research Achievements |
The purpose of this research subject is to bring the optical signal amplification system to practical level using liquid crystal photorefractive material. For that purpose, the design guidelines for ferroelectric liquid crystal materials showing excellent photorefractive properties (high diffraction efficiency, large gain constant, fast response) were explored. A large photorefractive effect was obtained with liquid crystals exhibiting a smectic C phase mixed with a very small amount of a chiral compound. This is quite different from the results expected so far and is interesting.
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