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Purple Crow Lidar : ウィキペディア英語版 | Purple Crow Lidar The Purple Crow Lidar is considered to be a powerful laser radar (lidar) that emits pulses of light. The light brightness of this laser is equal to having 1 million 75 W light bulbs on. Such bright light scatters off air molecules, and its reflection gets collected by a large telescope.〔(【引用サイトリンク】title=Purple Crow Lidar at The University of Western Ontario )〕 == Telescope ==
The telescope is formed by rotating liquid mercury at 10 r.p.m. in a 2.65-m diameter container. This liquid mirror technology has been made and developed at Université Laval in Québec City. Such rotating measurement allow air density, pressure, temperature and composition to be measured. Which can be useful to collect data for global warming and weather prediction.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Purple Crow Lidar」の詳細全文を読む
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