Tunable diffraction grating using ultraviolet-light-induced spatial phase modulation in dual-frequency liquid crystal Academic Article

abstract

• A phase grating phenomena, based on the spatial dielectric modulation of the dual-frequency liquid crystal (DFLC) was presented. To fabricate the grating, a photomask with transparent and opaque stripes was used. It was found that in the ultraviolet (UV) exposed stripes, the negative dielectric anisotropy tolane compound of the DFLC mixture was partially polymerized, resulting in a decreased threshold voltage as compared to that of the unexposed region. It was also found that due to the dual frequency addressing at 30 V rms, the response time of the DFLC phase grating was 1 ms at room temperature.

authors

• Lin, Paotai

published proceedings

• Applied Physics Letters

author list (cited authors)

• Lin, P., Liang, X., Ren, H., & Wu, S.

citation count

• 13

complete list of authors

• Lin, Pao-Tai||Liang, Xiao||Ren, Hongwen||Wu, Shin-Tson

publication date

• August 2004

publisher

• AIP Publishing  Publisher

published in

• Applied Physics Letters  Journal

Digital Object Identifier (DOI)

• 10.1063/1.1781752

start page

• 1131

end page

• 1133

volume

• 85

issue

• 7

URL

• http%3A%2F%2Fdx.doi.org%2F10.1063%2F1.1781752