Laser & Optoelectronics Progress, Volume. 55, Issue 2, 021415(2018)

Substrateless Terahertz Band-Pass Filters Fabricated by Femtosecond Laser Micro-Machining

Bingpan Gao, Yanzhang Lin, Ying Chen, Yanqing Chen, and Xiangfeng Wang*
Author Affiliations
  • School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, Fujian 350108, China
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    Figures & Tables(7)
    Schematic of femtosecond laser micro-machining system
    Sample preparation
    Schematic of unit structure
    Photographs of sample 3. (a) Sample picture; (b) local microscopic image of sample
    Time-domain terahertz spectroscopy system
    Experimental and simulated results from three groups of samples. (a)(d) Sample 1; (b)(e) sample 2; (c)(f) sample 3
    • Table 1. Structural parameters and major performance parameters of three filters

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      Table 1. Structural parameters and major performance parameters of three filters

      FilterW /μmL /μmP /μmFC /GHzFC* /GHzTP /%TP* /%
      Sample 1452854004974958898
      Sample 2604005503763758898
      Sample 3904507003233198799
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    Bingpan Gao, Yanzhang Lin, Ying Chen, Yanqing Chen, Xiangfeng Wang. Substrateless Terahertz Band-Pass Filters Fabricated by Femtosecond Laser Micro-Machining[J]. Laser & Optoelectronics Progress, 2018, 55(2): 021415

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Sep. 1, 2017

    Accepted: --

    Published Online: Sep. 10, 2018

    The Author Email: Xiangfeng Wang (xfwang@fzu.edu.cn)

    DOI:10.3788/LOP55.021415

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