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飞控与探测:2026,9(2):95-103
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基于波前编码的变F数光学系统景深扩展设计
(1.复旦大学 光科学与工程系;2.复旦大学 光电研究院;3.上海航天控制技术研究所;4.上海市空间智能控制技术重点实验室)
Depth-of-Field Extension Design of Optical Systems with Variable F-Numbers Based on Wavefront Coding
(1.Department of Optical Science and Engineering, Fudan University;2.Institute of Optoelectronics, Fudan University;3.Shanghai Aerospace Control Technology Institute;4.Shanghai Key Laboratory of Aerospace Intelligent Control Technology)
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中文摘要: 现有波前编码方法在变F 数的光学系统中需分别设计相应的相位掩膜,增加了设计复杂度和成本。为解决这一问题,提出一种多重结构波前编码优化设计方案,结合高效优化算法,实现了通过单一相位掩膜,对不同F 数光学系统的相位掩膜参数进行统一优化。该设计显著降低了相位板的制造成本,并简化了系统的复杂性。实验结果表明,所提出的方案使用单一相位板,即可实现对不同F 数下(F=1.4,1.6和1.8)光学系统的调制传递函数具有良好的离焦一致性,可以将传统红外系统的焦深扩展3~5倍。
Abstract:Existing wavefront coding methods require the design of corresponding phase masks for optical systems with variable F-numbers, which increases the design complexity and cost. To address this issue, this paper proposes a multi-structure wavefront coding optimization design scheme that, in conjunction with an efficient optimization algorithm, achieves unified optimization of phase mask parameters for different F-number optical systems using a single phase mask. This design significantly reduces the manufacturing cost of the phase plate and simplifies the system's complexity. Experimental results show that the proposed scheme, using a single phase plate, can achieve good defocus consistency in the modulation transfer function for optical systems with different F-numbers (F=1.4, 1.6 and 1.8), extending the depth of focus of traditional infrared systems by a factor of 3 to 5.
文章编号:20260210     中图分类号:O439;O435. 2    文献标志码:A
基金项目:国家自然科学基金(52475551)
引用文本:
吕宇星,朱巍,叶璐,蒋颖,刘宗明,李兴隆,王军华.基于波前编码的变F数光学系统景深扩展设计[J].飞控与探测,2026,9(2):95-103.