Long-term monitoring of pressurized-laser performance under vacuum environment for vegetation lidar on the ISS

Daisuke Sakaizawa,Rei Mitsuhahi,Junpei Murooka,Tadashi Imai,Toshiyoshi Kimura,Kazuhiro Asai

2017 IEEE International Conference on Space Optical Systems and Applications (ICSOS)（2017）

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摘要

Canopy height is a factor to evaluate the above-ground biomass of a forest area by remote sensing techniques. Measurements of canopy height from space progress to understand the carbon budget. JAXA has studied a space-borne vegetation lidar (the Multi-footprint Observation Lidar and Imager :MOLI) that observes canopy height on the new exposed facility of the Japanese Experiment Module (JEM), the IVA-replaceable Small Exposed Experiment Platform (i-SEEP) on the International Space Station (ISS). The MOLI will be the first space lidar for earth environmental observation in Japan; a high-energy pulsed laser with a long operational life is key to the operation of the MOLI mission. The concepts underlying the MOLI and vacuum test of functional model of pulsed laser transmitter will be discussed herein.

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关键词

pressurized-laser performance,vacuum environment,vegetation lidar,canopy height,above-ground biomass,forest area,remote sensing techniques,space progress,carbon budget,Multifootprint Observation Lidar,exposed facility,Japanese Experiment Module,IVA-replaceable Small Exposed Experiment Platform,International Space Station,space lidar,earth environmental observation,high-energy pulsed laser,long operational life,pulsed laser transmitter,long-term monitoring

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