The UMS can also be fitted with a two-axis goniometer for measuring specular reflectance at any angle (i.e. for reflector materials).
The fully automated, multiple grating TMc300 monochromator system shown below performs absolute and radiometric measurements over the wavelength range 1µm to 15µm. A gold-coated integrating sphere is used as the input optic for spectral irradiance measurements as well as inside the UMS for transmission/reflectance measurements. A lock-in amplifier based system is used in conjunction with a pyroelectric detector, peltier cooled PbS/PbSe detector and liquid nitrogen cooled InSb and MCT offering a wide choice of wavelength range and sensitivities.