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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 9 — Apr. 25, 2011
  • pp: 8498–8505

Controlling total spot power from holographic laser by superimposing a binary phase grating

Xiang Liu, Jian Zhang, Yu Gan, and Liying Wu  »View Author Affiliations

Optics Express, Vol. 19, Issue 9, pp. 8498-8505 (2011)

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By superimposing a tunable binary phase grating with a conventional computer-generated hologram, the total power of multiple holographic 3D spots can be easily controlled by changing the phase depth of grating with high accuracy to a random power value for real-time optical manipulation without extra power loss. Simulation and experiment results indicate that a resolution of 0.002 can be achieved at a lower time cost for normalized total spot power.

© 2011 OSA

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(230.6120) Optical devices : Spatial light modulators
(090.1995) Holography : Digital holography
(350.4855) Other areas of optics : Optical tweezers or optical manipulation

ToC Category:
Optical Trapping and Manipulation

Original Manuscript: January 28, 2011
Revised Manuscript: March 23, 2011
Manuscript Accepted: April 10, 2011
Published: April 18, 2011

Virtual Issues
Vol. 6, Iss. 5 Virtual Journal for Biomedical Optics

Xiang Liu, Jian Zhang, Yu Gan, and Liying Wu, "Controlling total spot power from holographic laser by superimposing a binary phase grating," Opt. Express 19, 8498-8505 (2011)

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