All-optical controlling of the focal intensity of a liquid crystal polymer microlens array

San Yi Huang; Tung Chen Tung; Hung Chang Jau; Jui Hsiang Liu; Andy Ying Guey Fuh

doi:10.1364/AO.50.005883

All-optical controlling of the focal intensity of a liquid crystal polymer microlens array

San Yi Huang, Tung Chen Tung, Hung Chang Jau, Jui Hsiang Liu, Andy Ying Guey Fuh

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

The current work demonstrates a liquid crystalline polymer microlens array (LCP MLA) with an alloptically tunable and multistable focal intensity through photochemical phase transition. The operational mechanism of the optical tuning is associated with the photoisomerization effect. The proposed LCP MLA device has a focusing unit based on a birefringence LCP and a tuning unit with a light responsive material to control the polarization state of the incident probe beam. The optically variable refractive indices of LCP enable a positive or negative MLA that can control the polarization of incident light to be realized.

Original language	English
Pages (from-to)	5883-5888
Number of pages	6
Journal	Applied optics
Volume	50
Issue number	30
DOIs	https://doi.org/10.1364/AO.50.005883
Publication status	Published - 2011 Oct 20

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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10.1364/AO.50.005883

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abstract = "The current work demonstrates a liquid crystalline polymer microlens array (LCP MLA) with an alloptically tunable and multistable focal intensity through photochemical phase transition. The operational mechanism of the optical tuning is associated with the photoisomerization effect. The proposed LCP MLA device has a focusing unit based on a birefringence LCP and a tuning unit with a light responsive material to control the polarization state of the incident probe beam. The optically variable refractive indices of LCP enable a positive or negative MLA that can control the polarization of incident light to be realized.",

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AU - Fuh, Andy Ying Guey

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AB - The current work demonstrates a liquid crystalline polymer microlens array (LCP MLA) with an alloptically tunable and multistable focal intensity through photochemical phase transition. The operational mechanism of the optical tuning is associated with the photoisomerization effect. The proposed LCP MLA device has a focusing unit based on a birefringence LCP and a tuning unit with a light responsive material to control the polarization state of the incident probe beam. The optically variable refractive indices of LCP enable a positive or negative MLA that can control the polarization of incident light to be realized.

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All-optical controlling of the focal intensity of a liquid crystal polymer microlens array

Abstract

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