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Absolute calibration of Doppler coherence imaging velocity images

Samuell, Cameron; Allen, S L; Meyer, W; Howard, John


A new technique has been developed for absolutely calibrating a Doppler Coherence Imaging Spectroscopy interferometer for measuring plasma ion and neutral velocities. An optical model of the interferometer is used to generate zero-velocity reference images for the plasma spectral line of interest from a calibration source some spectral distance away. Validation of this technique using a tunable diode laser demonstrated an accuracy better than 0:2 km/s over an extrapolation range of 3.5 nm; a...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Journal of Instrumentation
DOI: 10.1088/1748-0221/12/08/C08016


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