2012•Optics ExpressOpen access

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

Hoon Song, Geeyoung Sung, Sujin Choi, Kanghee Won, Hong‐Seok Lee, Hwi Kim

Abstract

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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Available abstract

Key concepts: Spatial light modulator, Optics, Grating, Holography, Spatial filter, Phase (matter), Filter (signal processing), Optical filter