Precision of quantitative absorption measurement with spectroscopic optical coherence tomography

Boris Hermann; Kostadinka K. Bizheva; Angelika Unterhuber; Harald Sattmann; Boris Povazay; Adolf Friedrich Fercher; Wolfgang Drexler

doi:10.1117/12.500969

2 October 2003 Precision of quantitative absorption measurement with spectroscopic optical coherence tomography

Boris Hermann, Kostadinka K. Bizheva, Angelika Unterhuber, Harald Sattmann, Boris Povazay, Adolf Friedrich Fercher, Wolfgang Drexler

Author Affiliations +

Proceedings Volume 5140, Optical Coherence Tomography and Coherence Techniques; (2003) https://doi.org/10.1117/12.500969
Event: European Conferences on Biomedical Optics 2003, 2003, Munich, Germany

Abstract

A state of the art TiAl₂O₃ laser (λ = 780 nm, Δλ = 170 nm, P_out = 350 mW), interfaced to a free space OCT system was used to quantitatively extract spatially resolved absorption profiles from non-scattering phantoms. The sources of error related to instrument performance and measurement procedure were investigated. Absorption as small as 0.2 mm^-1 was measured in phantoms as thin as 180 μm with precision better than 5% over 70 nm wavelength range.

Citation Download Citation

Boris Hermann, Kostadinka K. Bizheva, Angelika Unterhuber, Harald Sattmann, Boris Povazay, Adolf Friedrich Fercher, and Wolfgang Drexler "Precision of quantitative absorption measurement with spectroscopic optical coherence tomography", Proc. SPIE 5140, Optical Coherence Tomography and Coherence Techniques, (2 October 2003); https://doi.org/10.1117/12.500969

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