Optical measuring device and method therefor

摘要

The light measurement apparatus of the invention, in which the light is irradiated to the sample dispersed in the liquid flowing through the flow passage, is used for measuring optical information of the sample. The apparatus includes a light source portion 20 for irradiating the irradiating light L to the liquid 11, a light receiving portion 31 to receive the optical information of the sample S including the irradiating light transmitted through the liquid to generate a receiving light signal SG1, under a condition in which the liquid is irradiated by the irradiating light of the light source portion 20 in a state that a relative position of the sample S to the irradiating light varies at constant speed, a measurement portion 120 for measuring variation of the receiving light signal according to the sample.