Polarization-dependent optical tuning of focal intensity of liquid crystal polymer microlens array期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Polarization-dependent optical tuning of focal intensity of liquid crystal polymer microlens array

Authors:	S.-Y.?Huang,T.-C.?Tung,C.-L.?Ting,H.-C.?Jau,M.-S.?Li,H.-K.?Hsu,A.?Y.-G.?Fuh author-information" > author-information__contact u-icon-before" > mailto:andyfuh@mail.ncku.edu.tw" title=" andyfuh@mail.ncku.edu.tw" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author

Affiliation:	(1) Institute of Precision Engineering, National Chung Hsing University, Taichung, 402, Taiwan;(2) Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei, 106, Taiwan;(3) Department of Mechanical Engineering, Nan Kai Institute of Technology, Nantou, 541, Taiwan

Abstract:	This work demonstrates the feasibility of a microlens array (MLA) with a focal intensity that can be optically tuned by controlling the polarization of incident light. The proposed MLA has a focusing unit based on birefringent liquid crystalline polymer (LCP) and a tuning unit with a photo-alignment layer for controlling the polarization state of incident laser light. The optically variable refractive indices of LCP allow a positive or negative MLA to be realized by controlling the polarization of the incident light.

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