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OSSC Meeting September 13, 2023
Wednesday, September 13, 2023
OSSC Regular Meeting
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OSSC Combined In-Person and Online Event
"Laser ultrasonics for aerospace and nuclear applications."
Dr. Bradley Bobbs, Senior Scientist,
Laser Ultrasonic Products Group at Intelligent Optical Systems
Wednesday Sept. 13, 2023
In-Person Reception 6:00 pm; Dinner 7:00 pm
(No fee to attend presentation only in-person or on-line)
Online Login: 7:15 pm PDT
OSSC Business: 7:30 pm
Presentation: 8:00 pm
Laser ultrasonics has found a variety of applications for in-situ monitoring and post-process testing. In these applications, one laser produces ultrasonic waves, while a second laser detects those waves interferometrically. The fact that no surface contact is needed provides key advantages over conventional transducer-based ultrasonics. Laser ultrasonics can provide immediate feedback on defects during welding, seamless tube extrusion, and additive manufacturing, enabling repair of the defects during manufacture. Laser ultrasonics can also measure fluid flow and fastener load without making contact and find hidden defects in semiconductor devices and composite materials. The physics and practice of laser ultrasonics, and many applications examples, will be reviewed.
About Our Speaker:
Dr. Bradley Bobbs is Senior Scientist for the Laser Ultrasonic Products Group at Intelligent Optical Systems in Torrance. He holds a Ph.D. in Physics from UCLA and a B.S. in Physics from Harvey Mudd College. Dr. Bobbs has over 50 years of experience in scientific research, both theoretical and experimental, specializing in optics and lasers. He has authored over 85 scientific publications, including 17 in refereed archival journals, and holds 12 awards for special achievements.