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Opt Express. 2012 Dec 31;20(28):29844-53. doi: 10.1364/OE.20.029844.

Optimal synthesis of double-phase computer generated holograms using a phase-only spatial light modulator with grating filter.

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Samsung Advanced Institute of Technology, South Korea.


We propose an optical system for synthesizing double-phase complex computer-generated holograms using a phase-only spatial light modulator and a phase grating filter. Two separated areas of the phase-only spatial light modulator are optically superposed by 4-f configuration with an optimally designed grating filter to synthesize arbitrary complex optical field distributions. The tolerances related to misalignment factors are analyzed, and the optimal synthesis method of double-phase computer-generated holograms is described.


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