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AssigneeJapan Atomic Energy Research Institute
InventorsAkira Ohzu, Yoichiro Maruyama, Masaaki Kato
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A fast gate scanning three-dimensional laser radar apparatus operating on such principles as fluorescence scattering, Raman scattering and differential absorption scattering, which uses a high-sensitivity, two-dimensional imaging CCD camera, an image intensifier or other two-dimensional photodetector suitable for use as a laser echo light signal receiver and detector that is designed to have a gating feature with short time slot, a fast gate scanning feature and a high frame (image capture) repetition rate so that a two- or three-dimensional spatial density distribution of fine particles, environmental pollutants, aerosols and other targets suspended in the atmosphere is acquired instantaneously whereas temporal changes in the direction, speed and flow of the distribution can be remotely monitored.
A fast gate scanning three-dimensional laser radar apparatus operating on such principles as fluorescence scattering, Raman scattering and differential absorption scattering, which uses a high-sensitivity, two-dimensional imaging CCD camera, an image intensifier or other two-dimensional photodetector suitable for use as a laser echo light signal receiver and detector that is designed to have a gating feature with short time slot, a fast gate scanning feature and a high frame (image capture) repetition rate so that a two- or three-dimensional spatial density distribution of fine particles, environmental pollutants, aerosols and other targets suspended in the atmosphere is acquired instantaneously whereas temporal changes in the direction, speed and flow of said distribution can be remotely monitored.
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