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

Xiang Liu | Zendy; Jian Zhang | Zendy; Yu Gan | Zendy; Liying Wu | Zendy

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

Author(s) -

Xiang Liu,

Jian Zhang,

Yu Gan,

Liying Wu

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.008498

Subject(s) - optics , grating , holography , phase (matter) , binary number , holographic grating , power (physics) , blazed grating , materials science , laser , diffraction grating , physics , arithmetic , mathematics , quantum mechanics

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.

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