QTH Lightsource and Monochromator

QTH (Quarz Tungsten Halogen) lamp of 100W with its Power Supply Model 69931 from Newport Oriel. Between the QTH lamp and the monochromator is a filter wheel to absorb already a part of wavelength not used by the monochromator.

Depending the grating installed, the monochromator 257 from Newport can scan up to the mid-IR range. The light from its output points directly into the integrating sphere.