Design of a digital holography system for PFC erosion measurements on Proto-MPEX.

Rev Sci Instrum

Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543, USA.

Published: November 2016

A project has been started at ORNL to develop a dual-wavelength digital holography system for plasma facing component erosion measurements on prototype material plasma exposure experiment. Such a system will allow in situ real-time measurements of component erosion. Initially the system will be developed with one laser, and first experimental laboratory measurements will be made with the single laser system. In the second year of development, a second CO laser will be added and measurements with the dual wavelength system will begin. Adding the second wavelength allows measurements at a much longer synthetic wavelength.

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http://dx.doi.org/10.1063/1.4960488DOI Listing

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