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Optically switchable diffraction grating in a photochromic/polymer thin film

机译:光致变色/聚合物薄膜中的光学可切换衍射光栅

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An optically switchable diffraction grating has been made in a thin film containing a photochromic dye and amorphous polycarbonate. We show that a film containing the dye 5-chloro-1,3-dihydro-1,3,3-trimethylspiro [2H-indole-2,3'-(3H)naphth[2,1-b](1,4)oxazine] can be optically processed so that a diffraction grating can be completely switched on by ultraviolet light and turned off by thermal relaxation. The ability to switch or modulate the diffraction efficiency has a number of practical applications that include optical switches and add/drop multiplexers. (C) 2015 Optical Society of America
机译:已经在包含光致变色染料和无定形聚碳酸酯的薄膜中制成了光可切换衍射光栅。我们显示了含有染料5-氯-1,3-二氢-1,3,3-三甲基螺[2H-吲哚-2,3'-(3H)萘[2,1-b](1,4 )可以进行光学处理,以使衍射光栅可以完全被紫外线打开,而被热弛豫关闭。切换或调制衍射效率的能力具有许多实际应用,包括光学开关和分插复用器。 (C)2015年美国眼镜学会

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