| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for densely scanning and detecting many narrow- band spectral areas from among spectral areas to be detected with variable adjusting steps. SOLUTION: As for the optical device which is provided with a means of performing the spectral resolution of light (1), a means (3) of selecting a prescribed spectral area (4) and a detector (5), and which is prepared for selecting and detecting the light (1) in the spectral area out of the light (1) for a confocal scanning microscope, the relative positions of the spectral-resolved light (19) and the detector (5) are moved freely, so as to work on the spectral areas (4 and 8) to be detected.
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