Interferometric system with variable optics for non-coherent radiation source and method of tuning such interferometric system

摘要

In the present invention, there is disclosed an interferometric system for making a hologram with spatial carrier frequency, comprising a radiation source (1) with low coherence, followed up with a field plane (2) being optically conjugated with an output image plane (10), a beam splitter (4) for splitting the radiation beam into two separated branches of the interferometer, i.e. an object branch with a plurality of optical elements and a reference branch with a plurality of optical elements, a diffraction grating (7), an extension element (12), a transmission system of reflectors and a detector situated in the output image plane (10). The plurality of the object branch optical elements comprises an objective (5.12). The fact, that no identical objective as in the object branch is used in the reference branch, means a significant cost economy.