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  • Received: May. 7, 2018

    Accepted: Jun. 13, 2018

    Posted: Jan. 17, 2019

    Published Online: Aug. 2, 2018

    The Author Email: Bonan Kang (kbonan@163.com)

    DOI: 10.3788/COL201816.081202

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    Xin Chen, Jinsong Gao, Bonan Kang. Experimental realization of a switchable filter based on a dynamically transformable array[J]. Chinese Optics Letters, 2018, 16(8): 081202

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Chinese Optics Letters, Vol. 16, Issue 8, 081202 (2018)

Experimental realization of a switchable filter based on a dynamically transformable array

Xin Chen1,2, Jinsong Gao2, and Bonan Kang1,*

Author Affiliations

  • 1State Key Laboratory of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
  • 2Key Laboratory of Optical System Advanced Manufacturing Technology, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Abstract

We introduce a geometrically reconfigurable metasurface whose artificial “atoms” will reorient within unit cells in response to a thermal stimulus in the microwave spectrum. It can alternate between two contrasting behaviors under different temperatures and serve as a switchable filter that allows the incident energy to be selectively transmitted or reflected with an excess of 10 dB isolation at certain frequencies for both polarizations. The experimental results are consistent with the theoretical simulations, verifying the availability of an innovative method for manipulating electromagnetic waves with the merits of higher controllability for dynamic behavior and greater flexibility in the design process.