1645 nm coherent Doppler wind lidar with a single-frequency Er:YAG laser

Kaixin Wang; Chunqing Gao; Zhifeng Lin; Qing Wang; Mingwei Gao; Shuai Huang; Chaoyong Chen

doi:10.1364/OE.392092

1645 nm coherent Doppler wind lidar with a single-frequency Er:YAG laser

Kaixin Wang, Chunqing Gao^*, Zhifeng Lin, Qing Wang, Mingwei Gao, Shuai Huang, Chaoyong Chen

^*Corresponding author for this work

School of Optics and Photonics

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

54 Citations (Scopus)

Abstract

Solid-state single-frequency lasers around 1.6 µm are ideal sources for coherent Doppler wind lidars (CDWLs). A CDWL system with 1645 nm sing-frequency, injection-seeded Er:YAG ceramic laser is demonstrated. The Er:YAG laser based on an “M-shaped” ring resonator operates at pulse repetition frequencies (PRFs) of 300–1000 Hz at room temperature. The maximum single-frequency output energy is 10.1 mJ with a pulse width of 179 ns at 300 Hz. The 1645 nm Er:YAG laser is first used in a long-range CDWL system, and a line of sight (LOS) wind velocity up to 25 km is detected with 90 m range resolution in 0.5 s observation. To verify the reliability of the measurement results, the relationship between detection range, pulse energy, and accumulated numbers is also demonstrated.

Original language	English
Pages (from-to)	14694-14704
Number of pages	11
Journal	Optics Express
Volume	28
Issue number	10
DOIs	https://doi.org/10.1364/OE.392092
Publication status	Published - 11 May 2020

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Wang, K., Gao, C., Lin, Z., Wang, Q., Gao, M., Huang, S., & Chen, C. (2020). 1645 nm coherent Doppler wind lidar with a single-frequency Er:YAG laser. Optics Express, 28(10), 14694-14704. https://doi.org/10.1364/OE.392092

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abstract = "Solid-state single-frequency lasers around 1.6 µm are ideal sources for coherent Doppler wind lidars (CDWLs). A CDWL system with 1645 nm sing-frequency, injection-seeded Er:YAG ceramic laser is demonstrated. The Er:YAG laser based on an “M-shaped” ring resonator operates at pulse repetition frequencies (PRFs) of 300–1000 Hz at room temperature. The maximum single-frequency output energy is 10.1 mJ with a pulse width of 179 ns at 300 Hz. The 1645 nm Er:YAG laser is first used in a long-range CDWL system, and a line of sight (LOS) wind velocity up to 25 km is detected with 90 m range resolution in 0.5 s observation. To verify the reliability of the measurement results, the relationship between detection range, pulse energy, and accumulated numbers is also demonstrated.",

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AU - Gao, Mingwei

AU - Huang, Shuai

AU - Chen, Chaoyong

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1645 nm coherent Doppler wind lidar with a single-frequency Er:YAG laser

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