Efficient suppression of the laser speckle in the laser projection system

Yunfang Zhang; Hui Dong; Hui Li; Jingyuan Duan; Ancun Shi; Qing Fang; Yuliang Liu

doi:10.1117/12.917529

15 November 2011 Efficient suppression of the laser speckle in the laser projection system

Yunfang Zhang, Hui Dong, Hui Li, Jingyuan Duan, Ancun Shi, Qing Fang, Yuliang Liu

Proceedings Volume 8335, 2012 International Workshop on Image Processing and Optical Engineering; 833512 (2011) https://doi.org/10.1117/12.917529
Event: 2012 International Workshop on Image Processing and Optical Engineering, 2012, Harbin, China

Abstract

In this paper, we design a high power and small volume laser source module using the laser diode array for the laser projector system. This module can efficiently suppress speckle noise by reducing the phase coherence using laser diode array. In addition, we use the rotating diffuser to further disturb the coherence of the lasers for lower speckle noise. The experimental results show that the laser source module and the rotating diffuser can effectively eliminate the speckle noise. This new light module with laser diode array can be used in the laser projection system with high brightness, small volume and low speckle noise.

Citation Download Citation

Yunfang Zhang, Hui Dong, Hui Li, Jingyuan Duan, Ancun Shi, Qing Fang, and Yuliang Liu "Efficient suppression of the laser speckle in the laser projection system", Proc. SPIE 8335, 2012 International Workshop on Image Processing and Optical Engineering, 833512 (15 November 2011); https://doi.org/10.1117/12.917529

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available