Patent ID: 8710413
Filing Date: 2014-04-29
Classification: G01N,G02B

Abstract:
1. An optical analysis device which detects light from a light-emitting particle dispersed and moving at random in a sample solution by using an optical system of a confocal microscope or a multiphoton microscope, wherein the device comprises: a light detection region moving mechanism moving a position of a light detection region of the optical system in the sample solution by changing an optical path of the optical system; a light detector detecting light from the light detection region; and a signal processor generating a time series light intensity data of the light from the light detection region detected by the light detector during moving the position of the light detection region in the sample solution, and detecting individually a light signal from each light-emitting particle by detecting individually in the time series light intensity data, as the light signal of one light-emitting particle, a variation in time of a light intensity having a profile expected in the light from one light-emitting particle which moves relatively in an inside of the light detection region.