The Model 303 is a 250mm focal length f/4 prism monochromator with good throughput. It is built like a Czerny-Turner and uses a prism in Littrow configuration for refraction. Prisms do not have multiple orders like diffraction gratings and are capable of very low dispersion. The 303 monochromator used with slits ...
By McPherson based in Chelmsford, MASSACHUSETTS (USA). from Monochromators, Spectrometers & Spectrographs - UV-Visible to Long Wave Infrared Product line
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