Interferometry by a transparent wedge

Interferometry by a transparent wedge

Blog Article

In this article we show that a single transparent wedge or a plate with a wedge part can be used as a very simple and useful interferometer with numerous applications.This interferometer permits to modulate phase distribution on interference fringes to evaluate lochby venture pouch quantitatively the parallelism of a light beam and aberration of a wavefront, to specify the spectral line shape in a wide range, to measure the light wavelength and refractive indices of solids and liquids.In addition, it provides galaxy harmony nc suitable beams for holographic study of phase objects and fabrication of diffraction gratings.