WebApr 12, 2024 · Laser-acoustic detection of buried objects, such as landmines, uses elastic waves in the ground and a laser vibrometer to create a vibration image of the ground surface. A decision on the presence of a buried object is made by analyzing vibration images for multiple vibration frequencies. With traditionally used laser Doppler vibrometers, the … WebApr 15, 2024 · Lamb waves are acquired by an SLDV (Polytec PSV-400-M2, wavelength 633 nm) from the backside of the test specimen. Through measurement on a predefined grid in the selected scanning area, the SLDV can acquire a velocity wavefield v(t, x) of Lamb waves as a function of both time t and space x [28].Note that the vibrometer’s laser beam is set …

Continuous Scanning Laser Vibrometry: A raison d ... - ScienceDirect

WebOptomet was also the first company in the world to demonstrate the infrared scanning vibrometer. It was introduced at the Automotive Testing Expo in Stuttgart in 2015. With the launch of the new imaging full-field vibrometer software OptoSCAN for intuitive data acquisition as well as analysis and visualization of vibrations in 2024, another … WebMay 28, 2010 · @article{osti_21366749, title = {Scanning Laser Doppler Vibrometer Measurements Inside Helicopter Cabins in Running Conditions: Problems and Mock-up … clearance disney toddler costumes 18 months

Utilizing Laser Doppler Vibrometry in Aerospace Vibration Testing

WebJul 1, 1990 · Scanning laser Doppler vibrometers (LDV) are used to measure full-field vibration shapes of products and structures. In most commercially available scanning … WebScanner properties Angular resolution <0.001°, Angular stability <0.001°/h, max. 30 scan points/s Sample size From a few mm² up to several m² Camera HD format, 30x optical … WebOptomet Scanning Laser Vibrometer measurements can be made to provide customers deflection shapes of blades and which can be analyzed to determine modal properties. … clearance disney princess costumes