Non-Blind Zone Detection of Atmospheric Temperature Using Lateral Raman Scattering Lidar Based on Continuous-Wave Laser

Fan Yang; Fei Gao; Xiong Gao; Xiaoli Li; Li Wang; Qing Yan; Dongchen Shi; Yuehui Song; Shichun Li; Dengxin Hua

doi:10.3788/AOS231243

Acta Optica Sinica, Volume. 44, Issue 6, 0601015(2024)

Non-Blind Zone Detection of Atmospheric Temperature Using Lateral Raman Scattering Lidar Based on Continuous-Wave Laser

Fan Yang, Fei Gao^*, Xiong Gao, Xiaoli Li, Li Wang, Qing Yan, Dongchen Shi, Yuehui Song, Shichun Li, and Dengxin Hua^**

School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology, Xi'an 710048, Shaanxi , China

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Figures & Tables(9)

Fig. 1. Structure and detection principle diagram of lateral pure rotational Raman scattering lidar system with continuous-wave laser

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Fig. 2. Introduction error of eight calibration functions

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Fig. 3. Experimental system of lateral pure rotational Raman scattering lidar with continuous-wave laser

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Fig. 4. Detection results of atmospheric temperature with lateral pure rotational Raman scattering lidar at 19: 30 CST on April 26, 2023. (a) Lateral pure rotational Raman scattering echo signal intensity of high-quantum-number channel; (b) lateral pure rotational Raman scattering echo signal intensity of low-quantum-number channel; (c) inversion results of atmospheric temperature

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Fig. 5. Detection results of atmospheric temperature with lateral pure rotational Raman scattering lidar at 19: 30 CST on May 15, 2023. (a) Lateral pure rotational Raman scattering echo signal intensity of high-quantum-number channel; (b) lateral pure rotational Raman scattering echo signal intensity of low-quantum-number channel; (c) inversion results of atmospheric temperature

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Fig. 6. Detection results of atmospheric temperature with lateral pure rotational Raman scattering lidar at 19: 30 CST on May 12, 2023. (a) Lateral pure rotational Raman scattering echo signal intensity of high-quantum-number channel; (b) lateral pure rotational Raman scattering echo signal intensity of low-quantum-number channel; (c) inversion results of atmospheric temperature

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Fig. 7. Detection results of atmospheric temperature with lateral pure rotational Raman scattering lidar at 19: 30 CST on May 17, 2023. (a) Lateral pure rotational Raman scattering echo signal intensity of high-quantum-number channel; (b) lateral pure rotational Raman scattering echo signal intensity of low-quantum-number channel; (c) inversion results of atmospheric temperature

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Table 1. Parameters of lateral pure rotational Raman scattering lidar system based on continuous-wave laser

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Table 1. Parameters of lateral pure rotational Raman scattering lidar system based on continuous-wave laser

Parameter	Value	Parameter	Value
Transmitter	Continuous-wave laser	Polychromator system	IF 1/IF 2
Wavelength /nm	532.1	Center wavelength /nm	533.24/535.52
Divergence angle /mrad	<0.5	Bandwidth /nm	0.45
Lateral receiver	Optical telescope	Rotational system	Step motor
Diameter /mm	90	Angle accuracy /（°）	±1
Focal length /mm	900	Elevation angle /（°）	0-90
Data acquisition system	Tektronix MSO46	Detector	Hamamatsu PMT H11901
Sampling rate /（MSa/s）	125	Quantum efficiency	~25%@532.1 nm
Record length /M	0.01	Gain	2×10⁶

Table 2. Add the calibration function of x=1/T and y=ln Q

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Table 2. Add the calibration function of x=1/T and y=ln Q

Calibration function	Add the calibration function of x=1/T	Calibration function	Add the calibration function of y=ln Q
CF 1	$y = a + b x + c x^{2}$	CF 5	$x = a + b y + c y^{2}$
CF 2	$y = a + b x + c / x$	CF 6	$x = a + b y + c / y$
CF 3	$y = a + b x^{1 / 2} + c x$	CF 7	$x = a + b y + c / y + d / y^{2}$
CF 4	$y = a + b x^{1 / 2} + c / x^{1 / 2}$	CF 8	$x = a + b y + c y^{2} + d y^{3}$

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Fan Yang, Fei Gao, Xiong Gao, Xiaoli Li, Li Wang, Qing Yan, Dongchen Shi, Yuehui Song, Shichun Li, Dengxin Hua. Non-Blind Zone Detection of Atmospheric Temperature Using Lateral Raman Scattering Lidar Based on Continuous-Wave Laser[J]. Acta Optica Sinica, 2024, 44(6): 0601015

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Paper Information

Category: Atmospheric Optics and Oceanic Optics

Received: Jul. 10, 2023

Accepted: Aug. 14, 2023

Published Online: Feb. 23, 2024

The Author Email: Gao Fei (gaofei@xaut.edu.cn), Hua Dengxin (dengxinhua@xaut.edu.cn)

DOI:10.3788/AOS231243

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology