A monochromator produces a beam of light with a very narrow bandwidth, or light of a single color. It is used in optical measuring instruments where tunable monochromatic light is sought.
Short Focal Length Triple Grating Imaging Spectrographs
The TRIAX series use special corrective optics that maintain an excellent image quality and resolution along the length of the slit as well as along the dispersion axis in the exit focal plane. Thus, a point source on the entrance slit is re-imaged as a point for every occurrence of its wavelength in the focal plane. This makes TRIAX instruments the ideal spectrographs for a wide application range of high resolution multichannel spectroscopy such as: