Shear imaging and interferometric sensor with multi-directional dynamic phase shift and method of detecting and measuring vibration modes

• Main Authors: VIEIRA FANTIN, ANA LUCIA, ALBERTO GONCALVES JUNIOR ARMANDO, S ¨ ¢ NCHEZ BARRERA, ESTEVE, WILLEMAN DANIEL PEDRO, DA MARCINO SUAREZ SERGIO, BENEDET, MAURO EDUARDO, DIAZ FONSECA MARTINS FABIANA, VAN PASSEABRA DE ALMEIDA ANA LUCIA
• Format: Patent
• Language: Chinese; English
• Published: 23.12.2022
• Subjects: MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; PHYSICS; TESTING

The invention relates to a shear imaging and interferometric sensor with multi-directional dynamic phase shift (DPSI). The present invention uses a configuration having three fixed prisms or a single fixed three-sided optical prism having the same effect as the three prisms to simultaneously obtain...