{"version":"1.0","type":"link","title":"Spatial filter - Newikis","description":"A spatial filter is an optical device which uses the principles of Fourier optics to alter the structure of a beam of light or other electromagnetic radiation, typically coherent laser light. Spatial filtering is commonly used to \"clean up\" the output of lasers, removing aberrations in the beam due…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/1/14/Airy-pattern.svg/1280px-Airy-pattern.svg.png","thumbnail_width":1280,"thumbnail_height":950}