10 February 2005 Polarization analysis of projection display system
Author Affiliations +
Abstract
In reflective liquid crystal light valve (LCLV) or LCOS light valve large screen projection display system, Philips color separation and color recombination prism system is widely used to make the projection system compact. There are two factors which influence the contrast of projection optical systems. One is the extinction ratio of Polarizing beam splitter (PBS) and the other is the dark-state output of Philips prism system because of geometrical polarization rotations. Optical thin films exhibit inevitable polarization effects at oblique incidence. Here, Geometrical polarization rotation is analyzed in detail. The factors affecting the contrast performance of Philips prism system are quantitatively analyzed. Polarization aberration in this display system is analyzed based on the theory of Jones polarization ray tracing. It can be conclude that the contrast of projection display system is intimately correlated with phase shift difference of the two polarization component. It is concluded that optical design should combine lens design and coating design to improve the contrast and image quality of the projection display system.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wei Bin Chen, Pei Fu Gu, Zeng Rong Zheng, Wei Lu, "Polarization analysis of projection display system", Proc. SPIE 5638, Optical Design and Testing II, (10 February 2005); doi: 10.1117/12.576379; https://doi.org/10.1117/12.576379
PROCEEDINGS
9 PAGES


SHARE
RELATED CONTENT

Genetic algorithm and thin-film design
Proceedings of SPIE (September 07 1994)
Polarization considerations
Proceedings of SPIE (September 21 1998)
Polarization aberration in resource satellite system
Proceedings of SPIE (February 10 2005)
Integration Of Thin-Film Coatings Into Optical Systems
Proceedings of SPIE (September 16 1980)
Topics in polarization ray tracing for image projectors
Proceedings of SPIE (August 29 2005)

Back to Top