Optically controllable transflective spatial filter with high- and low-pass or notch- and band-pass functions based on a dye-doped cholesteric liquid crystal film

H. C. Yeh; Jung-Der Wang; K. C. Lo; Chia-Rong Lee; T. S. Mo; S. Y. Huang

doi:10.1063/1.2832367

Optically controllable transflective spatial filter with high- and low-pass or notch- and band-pass functions based on a dye-doped cholesteric liquid crystal film

H. C. Yeh, Jung-Der Wang, K. C. Lo, Chia-Rong Lee, T. S. Mo, S. Y. Huang

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

This study developed an optically controllable transflective spatial filter in a dye-doped cholesteric liquid crystal (DDCLC) film. The mechanism to induce the spatial filter is attributable to the photoisomerization-induced controllability of the redshift of the reflection band in the DDCLC cell. At various pumped intensities, different spatial distributions of the diffraction pattern of the object can be selected to be filtered, such that high- and low-pass or notch- and band-pass transmitted and reflected images can be simultaneously obtained, respectively.

Original language	English
Article number	011121
Journal	Applied Physics Letters
Volume	92
Issue number	1
DOIs	https://doi.org/10.1063/1.2832367
Publication status	Published - 2008 Jan 16

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1063/1.2832367

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Yeh, H. C., Wang, J-D., Lo, K. C., Lee, C-R., Mo, T. S., & Huang, S. Y. (2008). Optically controllable transflective spatial filter with high- and low-pass or notch- and band-pass functions based on a dye-doped cholesteric liquid crystal film. Applied Physics Letters, 92(1), [011121]. https://doi.org/10.1063/1.2832367

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AU - Huang, S. Y.

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