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Updated: Jul 31, 2026

Investigation of Early Plasma Evolution Induced by Ultrashort Laser Pulses
Published on: July 2, 2012
Digital holography for in situ real-time measurement of plasma-facing-component erosion
C E Tommy Thomas1, E M Granstedt2, T M Biewer3
1Third Dimension Technologies LLC, Knoxville, Tennessee 37931, USA.
Abstract:
In situ, real time measurement of net plasma-facing-component (PFC) erosion/deposition in a real plasma device is challenging due to the need for good spatial and temporal resolution, sufficient sensitivity, and immunity to fringe-jump errors. Design of a high-sensitivity, potentially high-speed, dual-wavelength CO2 laser digital holography system (nominally immune to fringe jumps) for PFC erosion measurement is discussed.
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