LASP has facilities for photometric calibration of instruments, optical components, and detectors. The calibration test equipment (CTEs), used in the Cassini UVIS, TIMED SEE, and SORCE projects are all housed at LASP.

A second type of calibration facility called the Collimated Beam Calibration Equipment (CBCE) can be used to measure the absolute sensitivity and angular response of telescope-spectrometer instruments using a standard photomultiplier tube that is calibrated at LASP against a NIST photodiode.

LASP also maintains a set of standard Deuterium lamps and FEL lamps, calibrated at NIST, which are used in stand-alone configurations and in conjunction with scattering screens to measure absolute sensitivity of telescope-spectrometers as well as a number of spectrometers, polarizers, and general optical equipment. All of these test facilities are located in class 10,000 clean rooms.