Patent ID: 9535241
Date: 2017-01-03
CPC Classifications: G01N,G02B

Claim:
1. A structured illuminating microscopy, comprising: a light modulator disposed in a light path of an exit light flux from a light source, and in which a sonic wave propagation path is arranged in a direction traversing the exit light flux; a generator generating a sonic standing wave in the sonic wave propagation path by giving a driving signal for vibrating a medium of the sonic wave propagation path to the light modulator; an illuminating optical system making at least three diffracted components of the exit light flux passed through the sonic wave propagation path to be interfered with one another, and forming interference fringes of the diffracted components on an observational object; an image-forming optical system forming an image by an observational light flux from the observational object on a detector; and a controller controlling a contrast of an image obtained from the detector by modulating at least one of (i) an intensity of the exit light flux, (ii) an intensity of the observational light flux, and (iii) detecting time of the detector with a modulating signal having a frequency which is 1/N times a frequency of the driving signal, where N is an integer of 1 or more.