Publication Type
Conference Paper
Journal Name
Review of Scientific Instruments
Publication Date
Volume
87
Issue
11
Conference Name
High Temperature Plasma Diagnostics
Conference Location
Madison, Wisconsin, United States of America
Conference Date
Abstract
A project has been started at ORNL to develop a dual-wavelength digital holography system for plasma
facing component (PFC) erosion measurements on Proto-MPEX. 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 CO2 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 equal to the average of the two wavelengths times the average divided by the difference of the two wavelengths.
