Laser beam modulation with a fast focus tunable lens for speckle reduction in laser projection displays

Zequn Jian,Zhaomin Tong,Yifei Ma,Mei Wang,Suotang Jia,Xuyuan Chen

Optics and Lasers in Engineering（2020）

引用 8|浏览36

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摘要

•The speckle reduction mechanisms in this paper are realized based on angular and spatial diversities.•The most efficient speckle reduction condition is obtained.•The fast focus tunable lens is effective and simple, and can be used in laser projection display applications.

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关键词

Speckle reduction,Focus tunable lens,Angular diversity,Spatial diversity

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