| 摘要 |
The invention relates to an optical device containing a dispersive element and a projection lens, which define a splitting plane on which a location is assigned to each wavelength. A microstructures element is located on the splitting plane, the element guiding light beams, which emanate from different directions and are focused on the locations corresponding to their wavelengths, through the projection lens to the dispersive element, which combines the light beams in a collinear manner.
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