| 摘要 |
An illumination apparatus for a microscope includes a light source portion that projects a light beam, two splitting elements that split the light beam into three, wavelength selection elements that independently select transmission wavelengths of the three light beams, shutters that independently shield or guide the three light beams, a first combining element that combines optical paths of two light beams, a second combining element that combines an optical path of the remaining light beam with a combined optical path, a pinhole that is located on an optical path between the first and second combining elements and has an aperture that selectively transmits only part of a light beam, and a projection optical system that applies a light beam from the second combining element to a sample and, when applying a light beam from the pinhole to the sample, projects the aperture of the pinhole onto the sample.
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