Design and fabrication of a tunable wavelength-selective polarization grating

Kawai Kotaro; Sakamoto Moritsugu; Noda Kohei; Sasaki Tomoyuki; Kawatsuki Nobuhiro; Ono Hiroshi

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Design and fabrication of a tunable wavelength-selective polarization grating

机译：可调谐波长选择性光栅的设计和制造

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Tunable wavelength-selective diffraction with polarization conversion is realized by the design of a liquid crystal (LC) grating containing a twisted nematic alignment structure that is fabricated by an efficient one-step photoalignment method. The diffraction efficiency strongly depends on the wavelength of the incident beam, and this property can be controlled by adjusting the birefringence of the nematic LC using a thermal control. These properties are well described by a theoretical analysis based on the Jones calculus and are experimentally demonstrated using 488, 532, and 633 nm wavelength incident polarized laser beams. The resultant LC grating has potential applications as diffractive optical elements that can simultaneously control the parameters of light such as amplitude, wavelength, and polarization. (C) 2016 Optical Society of America

机译：通过通过有效的一步式光程方法制造的扭曲向向导结构的液晶（LC）光栅设计，实现具有偏振转换的可调谐波长选择性衍射。衍射效率强烈地取决于入射光束的波长，并且可以通过使用热控制调节向方LC的双折射来控制该特性。这些性质通过基于琼斯微积分的理论分析很好地描述，并且通过488,532和633nm波长入射极化激光束进行实验证明。得到的LC光栅具有潜在的应用，作为衍射光学元件，其可以同时控制诸如幅度，波长和极化的光的参数。（c）2016年美国光学学会

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来源
《Applied optics》 |2016年第23期|共6页
作者
Kawai Kotaro; Sakamoto Moritsugu; Noda Kohei; Sasaki Tomoyuki; Kawatsuki Nobuhiro; Ono Hiroshi;
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Nagaoka Univ Technol Dept Elect Engn 1603-1 Kamitomioka Nagaoka Niigata 9402188 Japan;

Nagaoka Univ Technol Dept Elect Engn 1603-1 Kamitomioka Nagaoka Niigata 9402188 Japan;

Nagaoka Univ Technol Dept Elect Engn 1603-1 Kamitomioka Nagaoka Niigata 9402188 Japan;

Nagaoka Univ Technol Dept Elect Engn 1603-1 Kamitomioka Nagaoka Niigata 9402188 Japan;

Univ Hyogo Dept Appl Chem 2167 Shosha Himeji Hyogo 6712280 Japan;

Nagaoka Univ Technol Dept Elect Engn 1603-1 Kamitomioka Nagaoka Niigata 9402188 Japan;

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Design and fabrication of a tunable wavelength-selective polarization grating

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