Binary code DOE optimization for speckle suppression in a laser display

Yurlov Victor; Lapchuk Anatoliy; Han Kyunghun; Son Seong-Jin; Kim Bok Hyeon; Yu Nan Ei

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Binary code DOE optimization for speckle suppression in a laser display

机译：激光显示器中散斑抑制的二进制代码DOE优化

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Using a laser light source in imaging devices provides a wide color gamut, high brightness, resolution, and efficiency. At the same time, it creates a speckle pattern that deteriorates the image quality. This paper is related to the application of the moving binary code diffractive optical element (DOE) for speckle suppression in a laser display. Analytical optimization of DOE parameters is made in this paper. The optimal DOE pitch is found analytically. Limitation of the DOE code length is shown, and the highest possible code length is estimated. Application of the compound Barker code for the DOE design is suggested. As an alternative, the M-sequence and minimum peak side-lobe codes are considered. The expected residual speckle contrast ratio after application of those codes is estimated for the number of codes. A comparison of the different codes is done, and recommendations for speckle suppression DOE design are provided. (C) 2018 Optical Society of America

机译：在成像装置中使用激光源提供宽的色域，高亮度，分辨率和效率。同时，它创建一个散斑模式，使图像质量恶化。本文涉及运动二进制码衍射光学元件（DOE）在激光显示器中的散斑抑制的应用有关。本文采用了DOE参数的分析优化。在分析上发现最佳的DOE沥青。显示了DOE代码长度的限制，估计最高可能的代码长度。提出了复合Barker码的应用。作为替代方案，考虑M序列和最小峰侧瓣码。估计这些代码之后的预期残余散斑对比度估计代码的数量。完成了不同代码的比较，并提供了用于斑点抑制DOE设计的建议。（c）2018年光学学会

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来源
《Applied optics》 |2018年第30期|共10页
作者
Yurlov Victor; Lapchuk Anatoliy; Han Kyunghun; Son Seong-Jin; Kim Bok Hyeon; Yu Nan Ei;
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Gwangju Inst Sci &

Technol Adv Photon Res Inst Gwangju 61005 South Korea;

NAS Ukraine Inst Informat Recording Shpak Str 2 UA-03113 Kiev Ukraine;

Gwangju Inst Sci &

Technol Adv Photon Res Inst Gwangju 61005 South Korea;

Gwangju Inst Sci &

Technol Adv Photon Res Inst Gwangju 61005 South Korea;

Gwangju Inst Sci &

Technol Adv Photon Res Inst Gwangju 61005 South Korea;

Gwangju Inst Sci &

Technol Adv Photon Res Inst Gwangju 61005 South Korea;

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正文语种 eng
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Binary code DOE optimization for speckle suppression in a laser display

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