Optical System Design Method Based on Rotating Risley Prism

IF 2.1 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Journal Pub Date : 2025-03-15 DOI:10.1109/JPHOT.2025.3570512

Shuaiwei Mu;Shuanglong Tan;Haolin Qi;Han Pei;Lin Ma;Xin Zhang;Hongbo Wu

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Abstract

As a type of beam steering element, the Risley prism has found extensive applications in the field of optics. A single Risley prism can deflect incident light beams with a constant deviation angle, while a rotating multi-Risley prism system enables arbitrary beam deflection through relative rotation of multiple prisms. This study proposed the design methodology of optical systems incorporating Risley prisms for imaging applications. To realize a scanning optical system based on rotating Risley prisms, we start with the theoretical model of optical axis deflection induced by Risley prisms, explore the corresponding optical system design approaches, and develop the associated optical configurations. Through the proposed design methodology, we successfully implement a large field-of-view (60°) and broadband scanning optical system operating across visible (400 nm-1000 nm) and mid-infrared (3 μm–5 μm) spectral ranges. This design demonstrates significant potential in applications such as space target detection and infrared countermeasures, substantially expanding the application scope of Risley prisms in optical engineering.

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基于旋转里斯利棱镜的光学系统设计方法

作为一种光束导向元件，里斯利棱镜在光学领域有着广泛的应用。单个里斯利棱镜可以使入射光束以恒定的偏差角度偏转，而旋转的多里斯利棱镜系统可以通过多个棱镜的相对旋转使光束任意偏转。本研究提出了用于成像应用的包含里斯利棱镜的光学系统的设计方法。为了实现基于旋转Risley棱镜的扫描光学系统，从Risley棱镜引起光轴偏转的理论模型出发，探索了相应的光学系统设计方法，并开发了相应的光学结构。通过提出的设计方法，我们成功地实现了一个大视场（60°）和宽带扫描光学系统，工作在可见光（400 nm-1000 nm）和中红外（3 μm - 5 μm）光谱范围内。该设计在空间目标探测和红外对抗等方面具有重要的应用潜力，大大扩展了里斯利棱镜在光学工程中的应用范围。

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来源期刊

IEEE Photonics Journal ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

CiteScore

4.50

自引率

8.30%

发文量

489

审稿时长

1.4 months

期刊介绍： Breakthroughs in the generation of light and in its control and utilization have given rise to the field of Photonics, a rapidly expanding area of science and technology with major technological and economic impact. Photonics integrates quantum electronics and optics to accelerate progress in the generation of novel photon sources and in their utilization in emerging applications at the micro and nano scales spanning from the far-infrared/THz to the x-ray region of the electromagnetic spectrum. IEEE Photonics Journal is an online-only journal dedicated to the rapid disclosure of top-quality peer-reviewed research at the forefront of all areas of photonics. Contributions addressing issues ranging from fundamental understanding to emerging technologies and applications are within the scope of the Journal. The Journal includes topics in: Photon sources from far infrared to X-rays, Photonics materials and engineered photonic structures, Integrated optics and optoelectronic, Ultrafast, attosecond, high field and short wavelength photonics, Biophotonics, including DNA photonics, Nanophotonics, Magnetophotonics, Fundamentals of light propagation and interaction; nonlinear effects, Optical data storage, Fiber optics and optical communications devices, systems, and technologies, Micro Opto Electro Mechanical Systems (MOEMS), Microwave photonics, Optical Sensors.