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Title: Freely Tunable Broadband Polarization Rotator for Terahertz Waves

Journal Article · · Advanced Materials
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [2];  [1]
  1. National Laboratory of Solid State Microstructures and School of Physics, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093 China
  2. Advanced Photon Source, Argonne National Laboratory, Argonne Illinois 60439 USA

A freely tunable polarization rotator for broadband terahertz waves is demonstrated using a three-rotating-layer metallic grating structure, which can conveniently rotate the polarization of a linearly polarized terahertz wave to any desired direction with nearly perfect conversion efficiency. This low-cost, high-efficiency, and freely tunable device has potential applications as material analysis, wireless communication, and THz imaging.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
Ministry of Science and Technology of the People's Republic of China; National Natural Science Foundation of China (NSFC); USDOE Office of Science (SC)
DOE Contract Number:
AC02-06CH11357
OSTI ID:
1392303
Journal Information:
Advanced Materials, Vol. 27, Issue 7; ISSN 0935-9648
Publisher:
Wiley
Country of Publication:
United States
Language:
English

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