Method for speckle mitigation in an interferometric distance meter and corresponding distance meter

• Main Authors: SALVADE YVES, ROHNER MARCEL
• Format: Patent
• Language: English
• Published: 03.06.2015
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TESTING

A method for speckle mitigation in an interferometric distance meter comprises the steps of transmitting optical radiation with at least one wavelength λ to a target to be surveyed, receiving a portion of the optical radiation scattered back by the target in an optical axis (OA), wherein the optical...