Next, the 2D-array laser multibeam sensor device measures the vibration response of the ground to acoustic or seismic stimuli in multiple points simultaneously over the area its laser matrix covers.

Rotating Machinery, Hybrid Test Methods, Vibro-Acoustics & Laser Vibrometry, Volume 8.Proceedings of the 34th IMAC, A Conference and Exposition on Dynamics of Multiphysical Systems: From Active ...

And in the following segments, we will look at some of these innovative and leading laser additive manufacturing players. Top Companies Commercializing Laser-Based Additive Manufacturing #1. IPG ...

Laser Makes Big Bangs Underwater Date: April 27, 2009 Source: American Institute of Physics Summary: Technologies that use underwater acoustics -- for sonar, communications, or navigation -- often ...

Like the 2019 technology, Aranchuk's laser multi-beam differential interferometric sensor, or LAMBDIS, can be used from a moving vehicle, further increasing the speed at which buried landmines can ...

Underwater laser acoustic technologies, however, could potentially perform all those functions and more from an aircraft, explains Ted Jones, a research physicist with the Naval Research Laboratory ...

Laser systems for excitation and detection of ultrasonic waves incorporate the benefits of a completely contact free method into ultrasonic NDT systems. Techniques using this huge potential were ...

The sensors measure for acoustic emissions—read tiny noises in the bandwidth of 0.5 megahertz—that indicate the joint is about to break. The results were confirmed through the use of time ...