High resolution Fourier domain optical coherence tomography in the 2 μm wavelength range using a broadband supercontinuum source

Cheung, C.S., Daniel, J.M.O., Tokurakawa, M., Clarkson, W.A. and Liang, H. ORCID: 0000-0001-9496-406X, 2015. High resolution Fourier domain optical coherence tomography in the 2 μm wavelength range using a broadband supercontinuum source. Optics Express, 23 (3), pp. 1992-2001. ISSN 1094-4087

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Abstract

A 220 nm bandwidth supercontinuum source in the two-micron wavelength range has been developed for use in a Fourier domain optical coherence tomography (FDOCT) system. This long wavelength source serves to enhance probing depth in highly scattering material with low water content. We present results confirming improved penetration depth in high opacity paint samples while achieving the high axial resolution needed to resolve individual paint layers. This is the first FDOCT developed in the 2 μm wavelength regime that allows fast, efficient capturing of 3D image cubes at a high axial resolution of 13 μm in air (or 9 μm in paint).

Item Type: Journal article
Publication Title: Optics Express
Creators: Cheung, C.S., Daniel, J.M.O., Tokurakawa, M., Clarkson, W.A. and Liang, H.
Publisher: The Optical Society of America
Place of Publication: Washington, D.C.
Date: 9 February 2015
Volume: 23
Number: 3
ISSN: 1094-4087
Identifiers:
NumberType
10.1364/OE.23.001992DOI
Divisions: Schools > School of Science and Technology
Depositing User: EPrints Services
Date Added: 09 Oct 2015 10:26
Last Modified: 09 Jun 2017 13:29
URI: http://irep.ntu.ac.uk/id/eprint/12901

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