AUTOCOLLIMATION SHADOW DEVICE

• Main Authors: BAKERKIN ALEKSANDR VLADIMIROVICH, KONDRATOV JURIJ VASIL'EVICH, LYSENKOVA ELENA VIKTOROVNA
• Format: Patent
• Language: English; Russian
• Published: 27.10.2013
• Subjects: MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; TESTING

FIELD: physics.SUBSTANCE: device has an illuminator, a condenser, a master spatial filter, an analysing spatial filter and a receiver-recording unit. The master and analysing spatial filters are superimposed and are in form of a symmetrical mirror mark deposited on a thin plane-parallel optical plat...