標題: Electrically tunable microlens arrays based on polarization-independent optical phase of nano liquid crystal droplets dispersed in polymer matrix
作者: Yu, Ji Hoon
Chen, Hung-Shan
Chen, Po-Ju
Song, Ki Hoon
Noh, Seong Cheol
Lee, Jae Myeong
Ren, Hongwen
Lin, Yi-Hsin
Lee, Seung Hee
光電工程學系
Department of Photonics
公開日期: 29-Jun-2015
摘要: Electrically tunable focusing microlens arrays based on polarization independent optical phase of nano liquid crystal droplets dispersed in polymer matrix are demonstrated. Such an optical medium is optically isotropic which is so-called an optically isotropic liquid crystals (OILC). We not only discuss the optical theory of OILC, but also demonstrate polarization independent optical phase modulation based on the OILC. The experimental results and analytical discussion show that the optical phase of OILC microlens arrays results from mainly orientational birefringence which is much larger than the electric-field-induced birefringence (or Kerr effect). The response time of OILC microlens arrays is fast similar to 5.3ms and the tunable focal length ranges from 3.4 mm to 3.8 mm. The potential applications are light field imaging systems, 3D integrating imaging systems and devices for augment reality. (C) 2015 Optical Society of America
URI: http://dx.doi.org/10.1364/OE.23.017337
http://hdl.handle.net/11536/128071
ISSN: 1094-4087
DOI: 10.1364/OE.23.017337
期刊: OPTICS EXPRESS
Volume: 23
Issue: 13
起始頁: 17337
結束頁: 17344
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