IOE OpenIR  > 应用光学研究室(二室)
Speckle reduction in laser projection display by modulating illumination light - art. no. 662229
Liao, ZJ; Xing, TW; Cheng, GX; et al.
Volume6622
Pages62229-62229
2008
Language中文
ISSN0361-0762
Indexed ByEi
Subtype会议论文
AbstractThe use of lasers in a projection display enables the creation of vibrant images with extensive color coverage. By adding a phase modulators in illumination systems and keeping the most part structures of the classic projection, speckle on the screen and retinas of the observers were restrained. The speckle's form and restraining were simulated. It was obtained form simulations that the contrasts of residual speckle on screen and on retinas are 0.0107 and 0.0132. The simulation proves that speckle on screen and on retinas can be suppressed by phase modulation of the illumination light in projection. It also indicated that the numerical aperture of projector affect the residual speckle on retinas. Experiments of speckle restraining were performed. It confirmed the results of the simulations.
Conference NamePROCEEDINGS OF THE SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS (SPIE)
Document Type会议论文
Identifierhttp://ir.ioe.ac.cn/handle/181551/1805
Collection应用光学研究室(二室)
Recommended Citation
GB/T 7714
Liao, ZJ,Xing, TW,Cheng, GX,et al. Speckle reduction in laser projection display by modulating illumination light - art. no. 662229[C],2008:62229-62229.
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