| 摘要 |
PURPOSE:To eliminate the influence of the movement of a measuring luminous flux by a sample and to improve quality control by constituting a spectrophotometer in such a manner that an integrating sphere is disposed in the light inlet side of a spectroscope and that the light transmitted through the sample is made incident on the spectroscope through the integrating sphere. CONSTITUTION:The integrating sphere IS is disposed on the light inlet side of the spectroscope M. The spectrophotometer is so constituted that the light transmitted through the sample is made incident through the sphere IS on the spectroscope M. More specifically, a light incident window W1 is opened toward a measuring optical system L in a preliminarily placed optical system P and the image of a light exit window W2 is formed by a lens l5 and a mirror ml onto the inlet slit S1 of the spectroscope M. The integrating sphere is used as the preliminarily placed optical system of the spectroscope in the above- mentioned manner and therefore there is no influence of the movement of the measuring luminous flux by the sample and the direct measurement of the product such as worked part on the production site of a factory, etc. is made possible. The quality control is thus improved. |
