Wave-front encoding method of computer-generated holography based on liquid-crystal spatial light modulator

被引：4

作者：

Sui, Xiao-meng ^{[1
]}

He, Ze-hao ^{[1
]}

Cao, Liang-cai ^{[1
]}

Jin, Guo-fan ^{[1
]}

机构：

[1] Tsinghua Univ, Dept Precis Instruments, State Key Lab Precis Measurement Technol & Instru, Beijing 100084, Peoples R China

来源：

CHINESE JOURNAL OF LIQUID CRYSTALS AND DISPLAYS | 2022年 / 37卷 / 05期

基金：

中国国家自然科学基金;

关键词：

wave-front encoding; three-dimensional display; computer-generated holography; liquid crystal spatial light modulator; FOURIER-TRANSFORM ALGORITHM; OPTIMIZED RANDOM-PHASE; RECONSTRUCTION; KINOFORM; IMAGE; NONCONVEX; FIELDS;

D O I：

10.37188/CJLCD.2022-0047

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Wavefront encoding is a crucial step in computer-generated holography, which converts the complex-amplitude wavefront on the hologram plane into a holographic modulating function. Since the digital element for complex-amplitude modulation is not yet available, current implementations of holographic wavefront modulation are carried out by phase-type or amplitude-type elements. The holograms are relatively converted to amplitude-only or phase-only forms. Herein, the phase optimization encoding and complex-amplitude converting methods of computer-generated holography based on liquid crystal spatial light modulators are introduced. The basic principle, range of applications, and algorithm flows are discussed, providing feasible strategies for various holographic implementations.

引用

页码：613 / 624

页数：12

共 58 条

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