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A rapid method of measuring dispersion in low coherence interferometry and optical coherence tomography systems

Alexander Meadway1, Seyed Hamid Hosseiny Darbrazi1, George Dobre1, Richard B Rosen2,3 and Adrian Gh Podoleanu1

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A method of using multiple spectral channels to measure dispersion mismatch in optical coherence tomography (OCT) and low coherence interferometry systems is presented. The method is tested on a time domain OCT system in comparison to the measurement of the auto-correlation profile. The method is quicker to implement and is more sensitive than the measurement of the auto-correlation profile.


PACS

42.30.Va Image forming and processing

42.30.Kq Fourier optics

07.60.Ly Interferometers

Subjects

Instrumentation and measurement

Optics, quantum optics and lasers

Dates

Issue 1 (January 2010)

Received 21 July 2009, accepted for publication 9 November 2009

Published 2 December 2009



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