19 November 2012 Conductive-cooled 2-micron laser development for wind and CO2 measurements
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Abstract
We have developing two types of 2micron conductive-cooled lasers for wind and CO2 measurements. One type of lasers is side pumped Tm,Ho:YLF laser operated at 20-40Hz. The laser rod is cooled down to -80C and laser diodes are operated at normal temperature in a vacuum container. With this type of laser, we have built up a coherent lidar system which is used to measure wind and CO2 concentration. Ho:YLF laser end-pumped by Tm:fiber laser is another type oscillator which will be operated at high repetition rate of 200-300 Hz in normal temperature. The laser will have an amplifier. These lasers are conductive-cooled, solid-state, eye-safe and suitable for space applications.
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Kohei Mizutani, Shoken Ishii, Motoaki Yasui, Toshikazu Itabe, Atsushi Sato, Kazuhiro Asai, Hirotake Fukuoka, Takayoshi Ishikawa, "Conductive-cooled 2-micron laser development for wind and CO2 measurements", Proc. SPIE 8526, Lidar Remote Sensing for Environmental Monitoring XIII, 852603 (19 November 2012); doi: 10.1117/12.973651; https://doi.org/10.1117/12.973651
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