82‐4: Invited Paper: Speckle Reduction in Laser Projectors by Angular, Wavelength, and Polarization Diversities

Speckle reduction by angular, wavelength, and polarization diversities are widely used to suppress speckle, but they are not fully understood yet. This paper summarizes these speckle reduction methods and shows novel experimental results and theoretical analysis, including the dependency of angular...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2020-08, Vol.51 (1), p.1243-1246
Main Authors: Yamada, Hirotaka, Moriyasu, Kengo, Sato, Hiroto, Hatanaka, Hidekazu, Yamamoto, Kazuhisa
Format: Article
Language:English
Subjects:
angular diversity
laser projectors
Polarization
polarization diversity
Projectors
Reduction
speckle
wavelength diversity
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Description
Summary:Speckle reduction by angular, wavelength, and polarization diversities are widely used to suppress speckle, but they are not fully understood yet. This paper summarizes these speckle reduction methods and shows novel experimental results and theoretical analysis, including the dependency of angular and wavelength diversities.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.14104