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

• DOI: 10.1364/oe.20.029844
• Publication Date: 2012-12-21T18:52:40Z
• Authors: Hoon Song; Geeyoung Sung; Sujin Choi; Kanghee Won; Hong-Seok Lee; Hwi Kim
• Keywords: 01 natural sciences; 0104 chemical sciences

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.