Numerical dispersion compensation for partial coherence interferometry and optical coherence tomography

A. F. Fercher, C. K. Hitzenberger, M. Sticker, Robert Zawadzki, B. Karamata, T. Lasser

Research output: Contribution to journalArticle

113 Citations (Scopus)

Abstract

Dispersive samples introduce a wavelength dependent phase distortion to the probe beam. This leads to a noticeable loss of depth resolution in high resolution OCT using broadband light sources. The standard technique to avoid this consequence is to balance the dispersion of the sample by arranging a dispersive material in the reference arm. However, the impact of dispersion is depth dependent. A corresponding depth dependent dispersion balancing technique is diffcult to implement. Here we present a numerical dispersion compensation technique for Partial Coherence Interferometry (PCI) and Optical Coherence Tomography (OCT) based on numerical correlation of the depth scan signal with a depth variant kernel. It can be used a posteriori and provides depth dependent dispersion compensation. Examples of dispersion compensated depth scan signals obtained from microscope cover glasses are presented.

Original languageEnglish (US)
Pages (from-to)610-615
Number of pages6
JournalOptics Express
Volume9
Issue number12
DOIs
StatePublished - Jan 1 2001
Externally publishedYes

Fingerprint

interferometry
tomography
light sources
microscopes
broadband
probes
glass
high resolution
wavelengths

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Numerical dispersion compensation for partial coherence interferometry and optical coherence tomography. / Fercher, A. F.; Hitzenberger, C. K.; Sticker, M.; Zawadzki, Robert; Karamata, B.; Lasser, T.

In: Optics Express, Vol. 9, No. 12, 01.01.2001, p. 610-615.

Research output: Contribution to journalArticle

Fercher, A. F. ; Hitzenberger, C. K. ; Sticker, M. ; Zawadzki, Robert ; Karamata, B. ; Lasser, T. / Numerical dispersion compensation for partial coherence interferometry and optical coherence tomography. In: Optics Express. 2001 ; Vol. 9, No. 12. pp. 610-615.
@article{6cc760f533a64f1c9cc0baedbedd1a5b,
title = "Numerical dispersion compensation for partial coherence interferometry and optical coherence tomography",
abstract = "Dispersive samples introduce a wavelength dependent phase distortion to the probe beam. This leads to a noticeable loss of depth resolution in high resolution OCT using broadband light sources. The standard technique to avoid this consequence is to balance the dispersion of the sample by arranging a dispersive material in the reference arm. However, the impact of dispersion is depth dependent. A corresponding depth dependent dispersion balancing technique is diffcult to implement. Here we present a numerical dispersion compensation technique for Partial Coherence Interferometry (PCI) and Optical Coherence Tomography (OCT) based on numerical correlation of the depth scan signal with a depth variant kernel. It can be used a posteriori and provides depth dependent dispersion compensation. Examples of dispersion compensated depth scan signals obtained from microscope cover glasses are presented.",
author = "Fercher, {A. F.} and Hitzenberger, {C. K.} and M. Sticker and Robert Zawadzki and B. Karamata and T. Lasser",
year = "2001",
month = "1",
day = "1",
doi = "10.1364/OE.9.000610",
language = "English (US)",
volume = "9",
pages = "610--615",
journal = "Optics Express",
issn = "1094-4087",
publisher = "The Optical Society",
number = "12",

}

TY - JOUR

T1 - Numerical dispersion compensation for partial coherence interferometry and optical coherence tomography

AU - Fercher, A. F.

AU - Hitzenberger, C. K.

AU - Sticker, M.

AU - Zawadzki, Robert

AU - Karamata, B.

AU - Lasser, T.

PY - 2001/1/1

Y1 - 2001/1/1

N2 - Dispersive samples introduce a wavelength dependent phase distortion to the probe beam. This leads to a noticeable loss of depth resolution in high resolution OCT using broadband light sources. The standard technique to avoid this consequence is to balance the dispersion of the sample by arranging a dispersive material in the reference arm. However, the impact of dispersion is depth dependent. A corresponding depth dependent dispersion balancing technique is diffcult to implement. Here we present a numerical dispersion compensation technique for Partial Coherence Interferometry (PCI) and Optical Coherence Tomography (OCT) based on numerical correlation of the depth scan signal with a depth variant kernel. It can be used a posteriori and provides depth dependent dispersion compensation. Examples of dispersion compensated depth scan signals obtained from microscope cover glasses are presented.

AB - Dispersive samples introduce a wavelength dependent phase distortion to the probe beam. This leads to a noticeable loss of depth resolution in high resolution OCT using broadband light sources. The standard technique to avoid this consequence is to balance the dispersion of the sample by arranging a dispersive material in the reference arm. However, the impact of dispersion is depth dependent. A corresponding depth dependent dispersion balancing technique is diffcult to implement. Here we present a numerical dispersion compensation technique for Partial Coherence Interferometry (PCI) and Optical Coherence Tomography (OCT) based on numerical correlation of the depth scan signal with a depth variant kernel. It can be used a posteriori and provides depth dependent dispersion compensation. Examples of dispersion compensated depth scan signals obtained from microscope cover glasses are presented.

UR - http://www.scopus.com/inward/record.url?scp=0000840366&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0000840366&partnerID=8YFLogxK

U2 - 10.1364/OE.9.000610

DO - 10.1364/OE.9.000610

M3 - Article

VL - 9

SP - 610

EP - 615

JO - Optics Express

JF - Optics Express

SN - 1094-4087

IS - 12

ER -