{"version":"1.0","type":"link","title":"Shearing interferometer - Newikis","description":"The shearing interferometer is a simple means to observe interference and to use this phenomenon to test the collimation of light beams, especially from laser sources which have a coherence length which is usually significantly longer than the thickness of the shear plate (see graphics) so that the…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/f/f3/Shearing-interferometer.png","thumbnail_width":358,"thumbnail_height":272}