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Proceedings Paper

Impact of absorption in the top layer of a two layer sample on spectroscopic spectral domain interferometry of the bottom layer
Author(s): F. Fleischhauer; T. Feuchter; L. Leick; R. Rajendram; A. Podoleanu
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Paper Abstract

Spectroscopic spectral domain interferometry and spectroscopic optical coherence tomography combine depth information with spectrally-resolved localised absorption data. These additional data can improve diagnostics by giving access to functional information of the investigated sample. One possible application is measuring oxygenation levels at the retina for earlier detection of several eye diseases. Here measurements with different hollow glass tube phantoms are shown to measure the impact of a superficial absorbing layer on the precision of reconstructed attenuation spectra of a deeper layer. Measurements show that a superficial absorber has no impact on the reconstructed absorption spectrum of the deeper absorber. Even when diluting the concentration of the deeper absorber so far that an incorrect absorption maximum is obtained, still no influence of the superficially placed absorber is identified.

Paper Details

Date Published: 5 March 2018
PDF: 4 pages
Proc. SPIE 10591, 2nd Canterbury Conference on OCT with Emphasis on Broadband Optical Sources, 105910H (5 March 2018); doi: 10.1117/12.2281928
Show Author Affiliations
F. Fleischhauer, NKT Photonics A/S (Denmark)
Univ. of Kent (United Kingdom)
T. Feuchter, NKT Photonics A/S (Denmark)
L. Leick, NKT Photonics A/S (Denmark)
R. Rajendram, Moorfields Eye Hospital (United Kingdom)
Univ. College London (United Kingdom)
A. Podoleanu, Univ. of Kent (United Kingdom)


Published in SPIE Proceedings Vol. 10591:
2nd Canterbury Conference on OCT with Emphasis on Broadband Optical Sources
Adrian Podoleanu; Ole Bang, Editor(s)

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