A pure rotational Raman lidar using double-grating monochromator for temperature profile detection

Siying Chen; Zongjia Qiu; Yinchao Zhang; He Chen; Yuzhao Wang

doi:10.1016/j.jqsrt.2010.07.002

A pure rotational Raman lidar using double-grating monochromator for temperature profile detection

Siying Chen^*, Zongjia Qiu, Yinchao Zhang, He Chen, Yuzhao Wang

^*Corresponding author for this work

School of Optics and Photonics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

42 Citations (Scopus)

Abstract

A pure rotational Raman lidar is constructed for measurements of vertical temperature profiles of atmosphere. A fiber-coupled, double-grating monochromator is used as the filter system so that a high spectral resolution of <0.23nm and an out-of-band rejection rate of 10⁷ are achieved. Comparison with in-situ measurements indicates that the accuracy of atmospheric temperature measurements using this lidar system is better than 1.1K up to an altitude of 10km. Different effects on signal accuracy resulting from various noise sources are analyzed and uncertainties in temperature due to detection noises are estimated.

Original language	English
Pages (from-to)	304-309
Number of pages	6
Journal	Journal of Quantitative Spectroscopy and Radiative Transfer
Volume	112
Issue number	2
DOIs	https://doi.org/10.1016/j.jqsrt.2010.07.002
Publication status	Published - Jan 2011

Keywords

Atmospheric temperature
Noise analysis
Pure rotational Raman lidar
SNR

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10.1016/j.jqsrt.2010.07.002

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abstract = "A pure rotational Raman lidar is constructed for measurements of vertical temperature profiles of atmosphere. A fiber-coupled, double-grating monochromator is used as the filter system so that a high spectral resolution of <0.23nm and an out-of-band rejection rate of 107 are achieved. Comparison with in-situ measurements indicates that the accuracy of atmospheric temperature measurements using this lidar system is better than 1.1K up to an altitude of 10km. Different effects on signal accuracy resulting from various noise sources are analyzed and uncertainties in temperature due to detection noises are estimated.",

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AU - Chen, Siying

AU - Qiu, Zongjia

AU - Zhang, Yinchao

AU - Chen, He

AU - Wang, Yuzhao

PY - 2011/1

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AB - A pure rotational Raman lidar is constructed for measurements of vertical temperature profiles of atmosphere. A fiber-coupled, double-grating monochromator is used as the filter system so that a high spectral resolution of <0.23nm and an out-of-band rejection rate of 107 are achieved. Comparison with in-situ measurements indicates that the accuracy of atmospheric temperature measurements using this lidar system is better than 1.1K up to an altitude of 10km. Different effects on signal accuracy resulting from various noise sources are analyzed and uncertainties in temperature due to detection noises are estimated.

KW - Atmospheric temperature

KW - Noise analysis

KW - Pure rotational Raman lidar

KW - SNR

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JO - Journal of Quantitative Spectroscopy and Radiative Transfer

JF - Journal of Quantitative Spectroscopy and Radiative Transfer

IS - 2

ER -

A pure rotational Raman lidar using double-grating monochromator for temperature profile detection

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Keywords

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