Document Detail


Application of wire-grid polarizers to projection displays.
MedLine Citation:
PMID:  14649276     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We have measured the optical properties of wire-grid polarizers (WGPs). The implications of these results to the application of WGPs in projectors that use reflective light valves are discussed. In particular, the brightness and the contrast ratio of the projection system are investigated as functions of the angle of incidence of the light beam onto the WGP. It was found that the optimal incident angle is dependent on the physical design of the wire grids. In the sample that we describe, the optimal incident angle was 35 degrees instead of 45 degrees. At the optimal incident angle, both the transmission and the reflection extinction ratios can be quite good. However, WGPs suffer from the drawback of free-carrier absorption by the metal grid.
Authors:
Xing-Jie Yu; Hoi-Sing Kwok
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  42     ISSN:  0003-6935     ISO Abbreviation:  Appl Opt     Publication Date:  2003 Nov 
Date Detail:
Created Date:  2003-11-27     Completed Date:  2004-02-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  6335-41     Citation Subset:  -    
Affiliation:
Center for Display Research, Department of Electrical and Electronic Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
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