The 101/102 is a Czerny-Turner type monochromator for universal use with manual or PC controlled wavelength selection with one or two gratings installed. The Monochromator 101/102 features manual digital wavelength control and can be optional motorized and computer controlled. Electromagnetic shutters are available. The model 101 has one 50 mm x 50 mm grating, model 102 has two of them that can be selected. For both versions there are four different ruled gratings available. A wide range of ruled and holographic gratings for individual specifications are available, please ask your m·u·t dealer for detailed information. folding mirrors can be mounted at both ports. They fold the beam of light by 90° and can be removed for a straight light beam. Both ends of the monochromator are equipped with a continuously adjustable slit assembly. Optionally the folding mirrors can be replaced by flipping mirrors in order to switch the light beam easily. Every flipping mirror includes a second slit assembly.