Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Laser & Optoelectronics Progress, Volume. 62, Issue 3, 0325001(2025)

High-Precision TOF Readout Circuits for THz Radars

Yan Li*, Qinwei Hu, and Zhiming Rao
Author Affiliations
  • School of Physics and Communication Electronics, Jiangxi Normal University, Nanchang 330022, Jiangxi , China
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
    Equations (6)
    References (20)
    Tools
    Paper Information
    Topics
    Figures & Tables(10)
    Schematic of THz radar TOF readout

    Fig. 1. Schematic of THz radar TOF readout

    Download full size
    TOF readout circuit internal frame diagram

    Fig. 2. TOF readout circuit internal frame diagram

    Download full size
    Schematic of high-speed comparator

    Fig. 3. Schematic of high-speed comparator

    Download full size
    Schematic of TDC-GP22

    Fig. 4. Schematic of TDC-GP22

    Download full size
    TDC-GP22 measurement principle diagram

    Fig. 5. TDC-GP22 measurement principle diagram

    Download full size
    FPGA software design flowchart

    Fig. 6. FPGA software design flowchart

    Download full size
    Performance calibration platform

    Fig. 7. Performance calibration platform

    Download full size
    Linear fit plot

    Fig. 8. Linear fit plot

    Download full size
    Accuracy test. (a) 0.1 µs time difference; (b) 1 µs time difference

    Fig. 9. Accuracy test. (a) 0.1 µs time difference; (b) 1 µs time difference

    Download full size

    • Table 1. Measurements at different time intervals

      View table

      Table 1. Measurements at different time intervals

      Serial No.Set value /nsAverage value /nsStandard deviation /psRanging precision /mm
      1100100.008433.385.007
      2300300.032132.084.812
      3500500.037633.214.982
      4800800.041138.225.773
      510001000.039636.985.547
      613001300.043234.395.159
      715001500.037138.265.739
    Tools

    Get Citation

    Copy Citation Text

    Yan Li, Qinwei Hu, Zhiming Rao. High-Precision TOF Readout Circuits for THz Radars[J]. Laser & Optoelectronics Progress, 2025, 62(3): 0325001

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Set citation alerts for article
    Save article for my favorites
    Paper Information

    Category: OPTOELECTRONICS

    Received: Apr. 25, 2024

    Accepted: Jun. 5, 2024

    Published Online: Feb. 18, 2025

    The Author Email:

    DOI:10.3788/LOP241173

    CSTR:32186.14.LOP241173

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology