Speckle Reduction for Laser Pico-projector with Dynamic Deformable Mirrors

Che Wei Tsao, Hsuan An Chen, Jui Wen Pan*, Zu Po Yang

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


This research focuses on speckle noise suppression by changing the angle of divergence of the diffuser. Three types of diffuser designs are compared in the experiments. For all three types, the speckle contrast value is lower than 0.027, and the speckle phenomenon is invisible to the human eye.

Original languageEnglish
Pages (from-to)823-826
Number of pages4
JournalDigest of Technical Papers - SID International Symposium
Issue number1
StatePublished - 2018
EventSID Symposium, Seminar, and Exhibition 2018, Display Week 2018 - Los Angeles, United States
Duration: 20 May 201825 May 2018


  • Lasers and laser optics
  • Scattering
  • Speckle
  • Speckle imaging


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