Researching | High Dynamic Range Laser Display Based on Light Steering

Laser & Optoelectronics Progress, Volume. 59, Issue 5, 0512002(2022)

High Dynamic Range Laser Display Based on Light Steering

Peng Zhao^1,2, Xin Yu², and Yatao Yang^1、*

Author Affiliations

¹College of Electronics and Information Engineering, Shenzhen University, Shenzhen , Guangdong 518060, China

²Appotronics Corporation Ltd., Shenzhen University, Shenzhen , Guangdong 518060, China

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Figures&Tables (8)

References (14)

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Figures & Tables(8)

Fig. 1. HDR display based on light steering technology

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Fig. 2. illumination modulation by light steering

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Fig. 3. Calculation flow of light steering modulation

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Fig. 4. Mirror padding of Lenna picture. (a) Before padding; (b) after padding

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Fig. 5. Simulation results of light steering algorithm

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Fig. 6. Phase modulation based on freeform lens model and common hologram model. (a) Freeform lens model;(b) hologram model

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Fig. 7. HDR display based on light steering technology with diffuser

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Table 1. Parameters for calculating phase pattern of light steering
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Table 1. Parameters for calculating phase pattern of light steering
Image Resolution $α$ $γ$ CPU time /s GPU time /s
Lenna $512 \times 512$ 0.31 $2 \times 10^{9}$ 4.5 1.1
Patterns $512 \times 512$ 0.19 $1 \times 10^{9}$ 5.0 1.1
Lightning $512 \times 512$ 0.68 $9 \times 10^{8}$ 4.5 1.1

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Peng Zhao, Xin Yu, Yatao Yang. High Dynamic Range Laser Display Based on Light Steering[J]. Laser & Optoelectronics Progress, 2022, 59(5): 0512002

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Paper Information

Category: Instrumentation, Measurement and Metrology

Received: Mar. 25, 2021

Accepted: Jun. 10, 2021

Published Online: Feb. 22, 2022

The Author Email: Yang Yatao (yatao86@szu.edu.cn)

DOI:10.3788/LOP202259.0512002

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology