Patent ID: 9677938
Date: 2017-06-13
CPC Classifications: G01J,G03G

Claim:
1. A spectral characteristic acquisition device, comprising: an oblique slit array that has a plurality of openings arrayed in a predetermined direction, each of the plurality of openings inclined with respect to the predetermined direction, the plurality of openings being configured to pass light beams from a plurality of positions on an object therethrough; a diffractor that spectrally disperses the light beams having passed through the plurality of openings in a direction orthogonal to the predetermined direction; and a plurality of one-dimensional light receiving devices provided at a predetermined interval in a plurality of lines and configured to be irradiated with the light beams having been spectrally dispersed by the diffracting device, a plurality of pixels of the plurality of one-dimensional light receiving devices being arrayed in a direction parallel to the predetermined direction; and a light diffuser plate that diffuses the light beams within a predetermined light distribution angle and provided in front of the oblique slit array.