DURING a course of experiments with interferometers it was found that a very simple and inexpensive Fabry and Perot instrument could be constructed of plate glass which gives results almost as good as ...

Application of the Fabry-Perot interferometer instrument to study upper atmosphere dynamics has been one of the primary tools of ground-based optical aeronomy research ever since the beginning of the ...

The DLR-SO Fabry Perot Interferometer (SOFPIT) is an in-house development of the Institute for Solar-Terrestrial Physics at DLR that will measure thermospheric winds at an altitude of ~250 km. It ...

Benefiting from a uniquely stable production environment – Optical Surfaces Ltd is recognised as one of the world's finest manufacturers of solid and air spaced etalons. Etalons are widely used in ...