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. 2020 Oct 28;11(11):6755–6779. doi: 10.1364/BOE.400525

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Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

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Fig. 5. — 4-phase IRF detection and validation against the IRF model for the first and second heterodyne terms ( $τ_{e} = 9.6$ ms, $f_{s} = 29.8$ Hz, $N_{f} = 4$ ).