中大揭半世未解液晶光象 具光通用力 - 生活新 - PChome Online 新

中大揭半世未解液晶光象 具光通用力

中央大光系教授恪亭的研究,揭露由固醇液晶形後所引的特殊光象,揭界半世未解的,在光通、感置等具用力。

中大今天布新稿指出,恪亭等人的文表於尖期刊Optica(光),清了自1970年代以未解的光。

德物理家赫夫里希(Wolfgang Helfrich),固醇液晶(Cholesteric Liquid Crystals)施加,形成二期形,界Helfrich deformation(赫夫里希形)。

恪亭研究,固醇液晶生形前,的布拉格反射穿透波相同。然而一旦生形,的布拉格反射及穿透的界位置不再互。

研究指出,一果明了位於特定波段的光在吸收及散射效的影下,光既法穿透液晶,也法被布拉格效反射。

研究透值模相互,不完整了半世前首次被的液晶形及其背後的光制,更一步此液晶不再限於示用,在液晶光元件、光通及感置都具力。
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