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  • Received: May. 19, 2020

    Accepted: Jun. 23, 2020

    Posted: Aug. 27, 2020

    Published Online: Sep. 1, 2020

    The Author Email: Yichao Liu (liuyichao@tyut.edu.cn), Sailing He (sailing@zju.edu.cn)

    DOI: 10.3788/COL202018.102201

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    Fei Sun, Yichao Liu, Yibiao Yang, Zhihui Chen, Sailing He. Arbitrarily shaped retro-reflector by optics surface transformation[J]. Chinese Optics Letters, 2020, 18(10): 102201

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Chinese Optics Letters, Vol. 18, Issue 10, 102201 (2020)

Arbitrarily shaped retro-reflector by optics surface transformation 

Fei Sun1, Yichao Liu1,*, Yibiao Yang1, Zhihui Chen1, and Sailing He2,**

Author Affiliations

  • 1Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education and Shanxi Province, College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China
  • 2Centre for Optical and Electromagnetic Research, State Key Laboratory of Modern Optical Instrumentation, National Engineering Research Center for Optical Instruments, Zhejiang University, Hangzhou 310058, China

Abstract

A novel way to design arbitrarily shaped retro-reflectors by optics surface transformation is proposed. The entire design process consists of filling an optic-null medium between the input and output surfaces of the retro-reflector, on which the points have 180 deg reverse corresponding relations. The retro-reflector can be designed to be very thin (a planar structure) with high efficiency. The effective working angles of our retro-reflector are very large (from -80 deg to +80 deg), which can, in principle, be further extended. Layered metal plates and zero refractive index materials are designed to realize the proposed retro-reflector for a TM polarized beam.

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