G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01B11/00—Measuring arrangements characterised by the use of optical techniques
G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Length Measuring Devices By Optical Means
(AREA)
Telescopes
(AREA)
Length Measuring Devices With Unspecified Measuring Means
(AREA)
Procédé de mesure d'un angle d'incidence d'un faisceau lumineux, dispositif de mesure pour la mise en oeuvre du procédé et utilisation du dispositif pour la mesure de distances