Weegy: The effect of diffraction on the instrument line shape of a Fourier-transform spectrometer is studied with an analytical line-shape model. The expression for the instrument line shape of a diffracted point source is obtained. [ A simple condition on the throughput of the instrument is derived under which diffraction is negligible when compared with the field-of-view-induced line shape. The effect of diffraction is illustrated and compared for various instruments. If you are satisfied with my answer, please click 'Good' on the ratings.
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The shape of a spectrometer is likely to be a box-like structure with a narrow vertical slit, a collimating lens or mirror, a diffraction grating or prism, and a detector.
Added 8/5/2023 12:07:26 AM
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