Abstract

Speckle suppression in projection displays with a laser light source can be achieved by imaging a changing diffuser with random phase cells onto the screen. Theoretical expressions for the speckle contrast in this method have been earlier obtained in the case when different realizations of the phase diffuser produced statistically independent patterns of the light field on the screen. In the present paper, these expressions are generalized in the case when different realizations of the phase diffuser produce partly correlated speckle patterns. The possible structure of a motionless changing diffuser is presented. It includes a dynamic diffractive optical element (DDOE) and a light homogenizer. The DDOE can be based on the electrically controlled spatial light modulator (SLM) with a deformable polymer layer. This type of SLM can handle high light power and, therefore, can be used in projection displays with powerful laser beams.

© 2010 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Full-frame projection displays using a liquid-crystal-on-silicon spatial light modulator for beam shaping and speckle suppression

Yan-Shuo Chang, Wei-Feng Hsu, Ku-Hui Hsu, and Hoang Yan Lin
Appl. Opt. 53(27) G214-G221 (2014)

Speckle reduction mechanism in laser rear projection displays using a small moving diffuser

Yuhei Kuratomi, Kazuo Sekiya, Hiroaki Satoh, Tatsuhiro Tomiyama, Tohru Kawakami, Baku Katagiri, Yoshito Suzuki, and Tatsuo Uchida
J. Opt. Soc. Am. A 27(8) 1812-1817 (2010)

A hybrid temporal and spatial speckle-suppression method for laser displays

Qing-Long Deng, Bor-Shyh Lin, Pei-Jung Wu, Kuan-Yao Chiu, Ping-Lin Fan, and Chien-Yue Chen
Opt. Express 21(25) 31062-31071 (2013)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (4)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (51)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription