Acta Optica Sinica, Volume. 40, Issue 17, 1704002(2020)

High-Efficiency Visual Terahertz Detector Based on Three-Dimensional Porous Graphene and Cholesteric Liquid Crystal Microcapsule

Ruiwen Xiao1, Junyu Xiao1, Ping Jin1, Rongxuan Zhang1, and Lei Wang1,2,3、*
Author Affiliations
  • 1College of Electronic and Optical Engineering & College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu 210023, China;
  • 2National Key Laboratory of Solid State Microstructures, Nanjing University, Nanjing, Jiangsu 210093, China
  • 3Key Laboratory of Intelligent Optical Sensing and Manipulation, Ministry of Education, Nanjing University, Nanjing, Jiangsu 210093, China
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    Figures & Tables(5)
    Characteristic measurements of 3DPG. (a) Micrograph of 3DPG embedded with CLCM; (b) Raman spectrum of 3DPG
    Absorptivity, reflectivity, and transmissivity of 3DPG, and 3DPG embedded with CLCM for THz wave
    Experimental diagrams. (a) Schematic of device of 3DPG assisted CLCM for high THz power measurement; (b) THz temporal waveform; (c) Fourier components of THz temporal wave
    Experimental results of a CLCM for detecting strong THz power. (a) Visible picture of a CLCM under different THz intensities; (b) relationship between Hue value of CLCM and THz power
    Relationship between Hue value of a CLCM embedded in 3DPG with gold nanoparticles and THz power
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    Ruiwen Xiao, Junyu Xiao, Ping Jin, Rongxuan Zhang, Lei Wang. High-Efficiency Visual Terahertz Detector Based on Three-Dimensional Porous Graphene and Cholesteric Liquid Crystal Microcapsule[J]. Acta Optica Sinica, 2020, 40(17): 1704002

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    Paper Information

    Category: Detectors

    Received: Apr. 15, 2020

    Accepted: May. 29, 2020

    Published Online: Aug. 25, 2020

    The Author Email: Wang Lei (wangl@njupt.edu.cn)

    DOI:10.3788/AOS202040.1704002

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