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RADIATION SYSTEM FOR SIMULATION OF UNDERWATER LIGHT

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概要 In an attempt to develop the simulation of underwater light for environmental studies of marine organisms in the aquatron, a colour cathode ray tube (CRT) was used as an artificial light source. The l...ight spectrum of CRT depends on outputs of blue, green and red lights from phosphors and can be controlled by manipulating anode voltages of electron guns. In order to facilitate the simulation of underwater light, wavelength region of 400 to 700nm was divided into 6 bands at an interval of 50nm, and spectral characteristics were expressed as relative spectral irradiances in respective bands. For adequate simulation, the respective light outputs of blue, green and red were set to minimize differences in relative spectral irradiance between natural underwater light and CRT light. The controlled light of CRT represented sufficiently the spectra of natural underwater light in different depths.続きを見る

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登録日 2009.04.22
更新日 2017.06.09