Dual‐Drive Mach‐Zehnder Modulator‐Based Laser Ranging Technology

Bofeng Zhang; Gang Zhao; Xiaojuan Yan; Weiguang Ma

doi:10.3788/CJL220632

Chinese Journal of Lasers, Volume. 50, Issue 2, 0204001(2023)

Dual‐Drive Mach‐Zehnder Modulator‐Based Laser Ranging Technology

Bofeng Zhang^1,2, Gang Zhao^1,2、*, Xiaojuan Yan^1,2, and Weiguang Ma^1,2、**

¹State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006, Shanxi , China

²Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, Shanxi , China

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Figures & Tables(7)

Fig. 1. Principle of DD-MZM to generate dual-frequency laser

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Fig. 2. Principle for absolute distance measurement

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Fig. 3. Schematic of experimental system

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Fig. 4. Schematic of normalization processing and fitting of demodulated signal

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Fig. 5. Comparison before and after locking. (a) Laser beat-note intensity; (b) noise power spectral density

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Fig. 6. Retrieved distance results before and after locking

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Fig. 7. Allan variance plot

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Bofeng Zhang, Gang Zhao, Xiaojuan Yan, Weiguang Ma. Dual‐Drive Mach‐Zehnder Modulator‐Based Laser Ranging Technology[J]. Chinese Journal of Lasers, 2023, 50(2): 0204001

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Paper Information

Category: Measurement and metrology

Received: Mar. 4, 2022

Accepted: Apr. 14, 2022

Published Online: Feb. 7, 2023

The Author Email: Zhao Gang (gangzhao@sxu.edu.cn), Ma Weiguang (mwg@sxu.edu.cn)

DOI:10.3788/CJL220632

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology