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Spectrometer i.e. oscillating mirror spectrometer, for e.g. optical spectrometry, has oscillating mirror provided downstream of optical path for imaging spectrum of radiation, where mirror is provided in area of optical path
Spectrometer i.e. oscillating mirror spectrometer, for e.g. optical spectrometry, has oscillating mirror provided downstream of optical path for imaging spectrum of radiation, where mirror is provided in area of optical path
The spectrometer has a radiation source, an entrance slit (1) and an imaging diffraction grating (2) that are provided in a path of rays. An optical field lens (3), an imaging lens (4), an oscillating mirror (5) and a detector lens (6) e.g. convex lens, are provided downstream of an optical path for imaging a spectrum of radiation passing via the entrance slit to a detector (7) e.g. line detector. The mirror is provided in an area of the optical path. The grating is designed as a hybrid-optical element having a nano-structured aspherical or free forming surface.
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