モノクロメータと積分球によるけい光灯の全光束測定

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タイトル別名
  • Total Flux Measurements of Fluorescent Lamps with an Integrating Sphere and a Monochromator

抄録

A 3. 5-meter integrating sphere has been investigated concerning the effect of the length of a fluorescent lamp, the difference in the spatial light distribution of lamps compared, and the difference in the light absorption by lamps themselves. With regard to heterochromatic photometry a monochromatic comparison between the flux emitted by a fluorescent lamp and that given by a standard tungsten lamp is made in the integrating sphere, to avoid the difficulty of correcting the physical photometer so that it may have the same spectral response as the average eye. In this method, the correction of the errors caused by the slit-width of a monochromator is discussed.<BR>Though it is recommended that measurements on fluorescent lamps should be carried out at a fixed ambient temperature, the means of exactly specifying the ambient temperature conditions have not yet been developed. Therefore the temperature distribution in the integrating sphere has been measured.

収録刊行物

  • 照明学会誌

    照明学会誌 43 (12), 573-576, 1959

    一般社団法人 照明学会

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