hullámfrontérzékelk
A hullámfrontérzékelő, often translated as wavefront sensor, is an optical instrument used to measure the spatial variations of a wavefront. This measurement is crucial in various fields, including adaptive optics, interferometry, and optical testing. A wavefront describes the shape of a propagating light wave, and distortions or imperfections in the optical system can alter this shape. Hullámfrontérzékelők allow for the characterization and correction of these distortions.
There are several common types of hullámfrontérzékelők. Shack-Hartmann sensors are widely used and consist of an
Another type is the Curvature sensor. This method measures the second derivative of the wavefront, which is
Pyramidal sensors are also employed, which use a pyramid-shaped mirror to split the incoming light into four
The data obtained from a hullámfrontérzékelő can then be used to control corrective elements, such as deformable