Infrared and Laser Engineering, Volume. 52, Issue 10, 20230023(2023)

Digital lock-in amplifier controlled by FPGA for spectral measurement

Leilei Zhang1,2,3, Zhensong Cao1,3, Qing Zhong4, Yinbo Huang1,3, Zihao Yuan1,2,3, Jun Huang1,3, Gang Qi1,2,3, Wenxue Pan1,2,3, and Xingji Lu1,3、*
Author Affiliations
  • 1Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China
  • 2Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230026, China
  • 3Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, China
  • 4Military Representative Office in Mianyang of Space System Department, Mianyang 621000, China
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    [4] Zihao Yuan, Yinbo Huang, Xingji Lu, et al. Measurement of CO2 by wavelength modulated reinjection off-axis integrated cavity output spectroscopy at 2 μm. Atmosphere, 12, 1247(2021).

    [6] Liqun Sun, Mingli Zou, Xuan Wang, . Application of tunable diode laser absorption spectroscopy in breath diagnosis. Chinese Journal of Lasers, 48, 1511001(2021).

    [9] Cheng Zhang, Huan Liu, Jian Ge, et al. FPGA-based digital lock-in amplifier with high-precision automatic frequency tracking. IEEE Access, 8, 123114-123122(2020).

    [10] Xinda Chen, Minxiang Wei, Kai Chen, et al. Research on weak signal detection of integral average digital lock-in amplifier. Measurement Science and Technology, 32, 105905(2021).

    [12] Tiantai Guo, Chenchen Cui, Ming Kong, . Design of gas detection system based on FPGA. Applied Laser, 38, 829-834(2018).

    [13] [13] Chighine A, Fisher E, Wilson D, et al. An FPGAbased lockin detection system to enable Chemical Species Tomography using TDLAS[C]2015 IEEE International Conference on Imaging Systems Techniques (IST), 2015: 15.

    [14] Guojun Zhu, Hao Zhang, Zhijun Zhang. Implementation of CIC filter based on FPGA. Electronic Science and Technology, 19-22(2006).

    [15] [15] Gao Yajun. Digital Signal Processing Based on FPGA[M]. 2nd ed. Beijing: China Industrial Infmation Publishing Group, 2015. (in Chinese)

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    Leilei Zhang, Zhensong Cao, Qing Zhong, Yinbo Huang, Zihao Yuan, Jun Huang, Gang Qi, Wenxue Pan, Xingji Lu. Digital lock-in amplifier controlled by FPGA for spectral measurement[J]. Infrared and Laser Engineering, 2023, 52(10): 20230023

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    Paper Information

    Category: Optical devices

    Received: Feb. 25, 2023

    Accepted: --

    Published Online: Nov. 21, 2023

    The Author Email: Lu Xingji (.xjlu@aiofm.ac.cn)

    DOI:10.3788/IRLA20230023

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