| 摘要 |
PROBLEM TO BE SOLVED: To form a color center of a fatigue effect by irradiating a phosphor with an energy beam before and after measurement, to stabilize the measurement by negatively accelerated phosphorescence of an aftergrow, and to precisely measure a spectroscopic energy distribution and intensity. SOLUTION: This spectrometric instrument for measuring the spectroscopic energy distribution and the intensity of light has an integrating sphere 7 in the inside of which a phosphor film for converting the wavelength of the measured light is laid, and an energy beam emitting means 20 for emitting the energy beam 9 to the phosphor film before or after, or before and after the measurement to form the color center, and for negatively accelerating phosphorescence of the aftergrow.
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