Optics.org
daily coverage of the optics & photonics industry and the markets that it serves
Featured Showcases
Photonics West Showcase
Optics+Photonics Showcase
News
Menu
Sounding out the problem: acoustic waves
A diagnostic incorporating surface acoustic waves, generated by laser-based ultrasound, could effectively and accurately evaluate laser melt lines and find defects in laser powder bed fusion metal 3D printing by scattering acoustic energy from melt lines, voids and surface features that can be quickly detected. Credit: David Stobbe/LLNL.
© 2024 SPIE Europe
Top of Page