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Proceedings Paper

Development of Tm,Ho: YLF laser for future space-based doppler wind lidar
Author(s): Shoken Ishii; Atsushi Sato; Makoto Aoki; Kouichi Akahane; Shigeo Nagano; Katsuhiro Nakagawa; Kaori Sato; Hajime Okamoto
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Paper Abstract

Most of space-based observing systems make water-vapor- and temperature-related measurements, while spacebased observing systems for wind measurement is limited. The current passive space-based observing systems for wind measurement has a large coverage area and high temporal and horizontal resolutions but has a low vertical resolution. The World Meteorological Organization (WMO) wants to develop space-based wind profiling systems. A Doppler Wind Lidar (DWL) is a useful and power technology for wind measurement and it can be designed as compact mobile, airborne, and space-based systems. DWL would provide us with a wind profile having high vertical resolution, low bias, and good precision, and it is necessary to fill the gap of current observations. The National Institute of Information and Communications Technology (NICT) is developing a single-frequency high-energy Tm,Ho:YLF laser, 2-μm key technology and instrument for a future space-based coherent DWL. We demonstrated the Tm,Ho:YLF laser producing a pulse energy of 125 mJ operating at 30 Hz meeting requirements for the future spacebased coherent DWL. In the paper, we will describe recent progress at NICT.

Paper Details

Date Published: 24 October 2018
PDF: 7 pages
Proc. SPIE 10779, Lidar Remote Sensing for Environmental Monitoring XVI, 1077903 (24 October 2018); doi: 10.1117/12.2324388
Show Author Affiliations
Shoken Ishii, National Institute of Information and Communications Technology (Japan)
Atsushi Sato, Tohoku Institute of Technology (Japan)
National Institute of Information and Communications Technology (Japan)
Makoto Aoki, National Institute of Information and Communications Technology (Japan)
Kouichi Akahane, National Institute of Information and Communications Technology (Japan)
Shigeo Nagano, National Institute of Information and Communications Technology (Japan)
Katsuhiro Nakagawa, National Institute of Information and Communications Technology (Japan)
Kaori Sato, Kyushu Univ. (Japan)
Hajime Okamoto, Kyushu Univ. (Japan)


Published in SPIE Proceedings Vol. 10779:
Lidar Remote Sensing for Environmental Monitoring XVI
Upendra N. Singh; Nobuo Sugimoto, Editor(s)

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