Polarization-selective color-filter Fresnel lens in polymer-stabilized cholesteric liquid crystals | Zendy

Gao-Sin Chen | Zendy; Hui-Chen Yeh | Zendy

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Polarization-selective color-filter Fresnel lens in polymer-stabilized cholesteric liquid crystals

Author(s) -

Gao-Sin Chen,

Hui-Chen Yeh

Publication year - 2012

Publication title -

journal of applied physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.699

H-Index - 319

eISSN - 1089-7550

pISSN - 0021-8979

DOI - 10.1063/1.4750042

Subject(s) - optics , materials science , achromatic lens , fresnel lens , polarization (electrochemistry) , perpendicular , planar , color gel , birefringence , lens (geology) , liquid crystal , zone plate , polarizer , optoelectronics , diffraction , physics , chemistry , geometry , mathematics , computer graphics (images) , layer (electronics) , computer science , composite material , thin film transistor

[[abstract]]This study demonstrated a color-filter Fresnel lens in polymer-stabilized cholesteric liquid crystals (PSCLCs). The liquid crystals in the odd zones were in a planar cholesteric texture, the Bragg reflection band of which was located in the infrared region. The even zones had a focal conic texture. The linearly polarized white light passing through the planar texture underwent optical activity. The light with the polarization perpendicular to the transmission axis of an analyzer behind the PSCLC Fresnel lens was eliminated. Changing the orientation of the transmission axis of the analyzer can select the color of the focusing image

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