Optimized computer-generated hologram for enhancing depth cue based on complex amplitude modulation

Dapu Pi; Juan Liu; Jie Wang; Yutong Sun; Yan Yang; Weirui Zhao; Yongtian Wang

doi:10.1364/OL.476443

Optimized computer-generated hologram for enhancing depth cue based on complex amplitude modulation

Dapu Pi
, Juan Liu^*
, Jie Wang
, Yutong Sun
, Yan Yang
, Weirui Zhao
, Yongtian Wang

^*Corresponding author for this work

School of Optics and Photonics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

32 Citations (Scopus)

Abstract

In this Letter, we introduce a computer-generated hologram (CGH) optimization method to enhance the depth cue based on complex amplitude modulation (CAM). An iterative algorithm is designed to generate the optimized random phase (ORAP) according to the size of the target image and the bandwidth limitation condition. The ORAP with limited bandwidth is used as the initial phase of the target image and the hologram is encoded based on the analytical formula. Our proposal can maintain the advantages of CAM and achieve holographic three-dimensional (3D) display with an enhanced depth cue. It is expected that the proposed method could be widely used in holographic field in the future.

Original language	English
Pages (from-to)	6377-6380
Number of pages	4
Journal	Optics Letters
Volume	47
Issue number	24
DOIs	https://doi.org/10.1364/OL.476443
Publication status	Published - 15 Dec 2022

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abstract = "In this Letter, we introduce a computer-generated hologram (CGH) optimization method to enhance the depth cue based on complex amplitude modulation (CAM). An iterative algorithm is designed to generate the optimized random phase (ORAP) according to the size of the target image and the bandwidth limitation condition. The ORAP with limited bandwidth is used as the initial phase of the target image and the hologram is encoded based on the analytical formula. Our proposal can maintain the advantages of CAM and achieve holographic three-dimensional (3D) display with an enhanced depth cue. It is expected that the proposed method could be widely used in holographic field in the future.",

author = "Dapu Pi and Juan Liu and Jie Wang and Yutong Sun and Yan Yang and Weirui Zhao and Yongtian Wang",

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AU - Pi, Dapu

AU - Liu, Juan

AU - Wang, Jie

AU - Sun, Yutong

AU - Yang, Yan

AU - Zhao, Weirui

AU - Wang, Yongtian

PY - 2022/12/15

Y1 - 2022/12/15

N2 - In this Letter, we introduce a computer-generated hologram (CGH) optimization method to enhance the depth cue based on complex amplitude modulation (CAM). An iterative algorithm is designed to generate the optimized random phase (ORAP) according to the size of the target image and the bandwidth limitation condition. The ORAP with limited bandwidth is used as the initial phase of the target image and the hologram is encoded based on the analytical formula. Our proposal can maintain the advantages of CAM and achieve holographic three-dimensional (3D) display with an enhanced depth cue. It is expected that the proposed method could be widely used in holographic field in the future.

AB - In this Letter, we introduce a computer-generated hologram (CGH) optimization method to enhance the depth cue based on complex amplitude modulation (CAM). An iterative algorithm is designed to generate the optimized random phase (ORAP) according to the size of the target image and the bandwidth limitation condition. The ORAP with limited bandwidth is used as the initial phase of the target image and the hologram is encoded based on the analytical formula. Our proposal can maintain the advantages of CAM and achieve holographic three-dimensional (3D) display with an enhanced depth cue. It is expected that the proposed method could be widely used in holographic field in the future.

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JO - Optics Letters

JF - Optics Letters

IS - 24

ER -

Optimized computer-generated hologram for enhancing depth cue based on complex amplitude modulation

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