Chinese Optics Letters, 2020, 18 (10): 102201, Published Online: Sep. 1, 2020  

Arbitrarily shaped retro-reflector by optics surface transformation Download: 886次

Author Affiliations
1 Key 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
2 Centre 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.

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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