| 摘要 |
PROBLEM TO BE SOLVED: To provide a transparency measurement device capable of measuring the transparency of a measurement object without bringing it into contact with the measurement object.SOLUTION: A transparency measurement device includes: light irradiation means for irradiating a measurement object with light; a slit mask arranged between the light irradiation means and the measurement object; light reception means arranged in any direction other than a direction of the regular reflection of light with which the measurement object is irradiated by the light irradiation means for receiving scattered light radiated from the measurement object; and calculation means for calculating the transparency of the measurement object on the basis of the received scattered light. |
