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

被引：47

作者：

Cheung, C. S. ^{[1
]}

Daniel, J. M. O. ^{[2
]}

Tokurakawa, M. ^{[2
]}

Clarkson, W. A. ^{[2
]}

Liang, H. ^{[1
]}

机构：

[1] Nottingham Trent Univ, Sch Sci & Technol, Nottingham NG11 8NS, England

[2] Univ Southampton, Optoelect Res Ctr, Highfield SO17 1BJ, Wales

来源：

OPTICS EXPRESS | 2015年 / 23卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

IMAGING DEPTH; CONSERVATION; REGION;

D O I：

10.1364/OE.23.001992

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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 mu m wavelength regime that allows fast, efficient capturing of 3D image cubes at a high axial resolution of 13 mu m in air (or 9 mu m in paint). (C) 2015 Optical Society of America

引用

页码：1992 / 2001

页数：10

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