| Issue |
EPJ Web Conf.
Volume 362, 2026
31st International Laser Radar Conference (ILRC 31) Held Together with the 22nd Coherent Laser Radar Conference (CLRC 22)
|
|
|---|---|---|
| Article Number | 04018 | |
| Number of page(s) | 3 | |
| Section | Lidar Measurements in the Stratosphere, Mesosphere, and Thermosphere | |
| DOI | https://doi.org/10.1051/epjconf/202636204018 | |
| Published online | 09 April 2026 | |
https://doi.org/10.1051/epjconf/202636204018
A 1083 nm Pulsed Laser Source for Helium Resonance Fluorescence Lidar
School of Earth and Space Sciences, University of Science and Technology of China, Hefei 230026, China 96 Jinzhai Road, Hefei City, Anhui Province, China Lead Author e-mail address: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published online: 9 April 2026
Abstract
Metastable helium resonance fluorescence (1083.0nm) lidar has proven to be an effective technique for studying the 200-1000 km atmosphere which is important for enhancing the safety of low Earth orbit satellite and improving navigation accuracy. But the high energy pulsed laser required for this lidar system is a technical challenge. Here, a 1083 nm pulsed laser system for metastable helium lidar has been developed. The design consists of an optical parametric generation stage with single-frequency seed light injection, followed by high power optical parametric amplification to obtain a high pulse energy and narrow linewidth output(>100mJ,<100MHz)that meets helium lidar detection requirements. The laser source setup provides a basis for research related to metastable helium density measurements. Meanwhile, wavelength of the laser scanning can be achieved by tuning the current and temperature of the seed laser power source, which makes it possible to realize the measurements of the velocity and the temperature of thermosphere.
© The Authors, published by EDP Sciences, 2026
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.