Development of Tm,Ho: YLF laser for future space-based doppler wind lidar

Shoken Ishii; Atsushi Sato; Makoto Aoki; Kouichi Akahane; Shigeo Nagano; Katsuhiro Nakagawa; Kaori Sato; Hajime Okamoto

doi:10.1117/12.2324388

24 October 2018 Development of Tm,Ho: YLF laser for future space-based doppler wind lidar

Shoken Ishii, Atsushi Sato, Makoto Aoki, Kouichi Akahane, Shigeo Nagano, Katsuhiro Nakagawa, Kaori Sato, Hajime Okamoto

Proceedings Volume 10779, Lidar Remote Sensing for Environmental Monitoring XVI; 1077903 (2018) https://doi.org/10.1117/12.2324388
Event: SPIE Asia-Pacific Remote Sensing, 2018, Honolulu, Hawaii, United States

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.

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Shoken Ishii, Atsushi Sato, Makoto Aoki, Kouichi Akahane, Shigeo Nagano, Katsuhiro Nakagawa, Kaori Sato, and Hajime Okamoto "Development of Tm,Ho: YLF laser for future space-based doppler wind lidar", Proc. SPIE 10779, Lidar Remote Sensing for Environmental Monitoring XVI, 1077903 (24 October 2018); https://doi.org/10.1117/12.2324388

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KEYWORDS

Pulsed laser operation

Laser development

Rod lasers

Wind energy

Wind measurement

LIDAR

Oscillators

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