CNDE Featured Reseracher: Stephen Holland

Stephen Holland

Featured Researcher

Name: Stephen Holland

Stephen Holland

How long have you been at CNDE? Since 2002

Area(s) of expertise: Thermography, ultrasound, NDE data integration and digital twin

Who or what inspired you to pursue your career in NDE? I stumbled across laser ultrasonics as a student intern at Sandia Labs because it was a more interesting topic than boring virtual reality computer work.  Back at university, I was inspired to continue after starting undergraduate research in Wolfgang Sachse’s lab.  Five years later, I had my PhD and started at Iowa State.

Briefly describe one of your technical contributions to the NDE field.  Discovery and explanation of the significance of a zero-group-velocity plate wave resonance that dominates air-coupled ultrasonic transmission, is fundamental to impact echo testing of civil structures, and also important in laser ultrasound.

What advice would you give a researcher just starting out in the NDE field?  To study as much math and engineering physics as you can.

 

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