Paper Info
Title
Liquid-crystal micropolarimeter array for visible linear and circular polarization imaging
Abstract
In this paper, we propose a liquid-crystal mi-cropolarimeter (LCMP) array with high spatial resolution for real-time linear and circular polarization imaging in visible spectrum. LCMPs for extracting 0°, 90° linearly and right-handed circularly polarized components of incident light are implemented by micro-patterning a liquid crystal (LC) layer on top of a 45° oriented ultra-thin metal-wire-grid polarizer (MWGP). A compact LCMP pitch of 5μm × 5μm is achieved with sulfonic-dye-1 (SD1) as the LC alignment material. In addition, these micron-scale LCMPs feature ~5μm overall thickness and ~1100 extinction ratio. Reported experimental results validate the concept of real-time linear and circular polarization image sensing and processing with targets illuminated by collimated artificial light.
Year
DOI
Venue
2010
10.1109/ISCAS.2010.5537510
ISCAS
Keywords
Field
DocType
visible linear imaging,liquid crystal micropolarimeter array,optical collimators,polarimeters,micro-optics,collimated artificial light,image sensors,circular polarization imaging,light polarisation,liquid crystals,liquid crystal layer micropatterning,alignment material,polarization,vectors,spectrum,imaging,cmos integrated circuits,liquid crystal,extinction ratio,circular polarization,real time
Extinction ratio,Ray,Circular polarization,Image sensor,Computer science,Polarizer,Optics,Polarization (waves),Electronic engineering,Liquid crystal,Collimated light
Conference
ISBN
Citations 
PageRank 
978-1-4244-5309-2
0
0.34
References 
Authors
3
4
Name
Order
Citations
PageRank
Xiaojin Zhao145.48
Amine Bermak249390.25
Farid Boussaïd320924.05
Vladimir Chigrinov401.01