Abstract

We study the major factors causing degradation in the lateral resolution of gradient-index-lens-based catheters used for high-resolution optical coherence tomography. Chromatic aberration and astigmatism were taken into account in the propagation of broadband single-mode Gaussian beams through the catheter geometry. It was found that, while chromatic aberration did not preclude achieving high resolution, astigmatism posed a major technical difficulty, because its correction requires a very sensitive adjustment of parameters, especially for catheters with long working distances.

Original languageEnglish (US)
Pages (from-to)1100-1102
Number of pages3
JournalOptics Letters
Volume37
Issue number6
DOIs
StatePublished - Mar 15 2012

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astigmatism
aberration
tomography
high resolution
adjusting
lenses
degradation
broadband
gradients
propagation
geometry

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Aberration characterization for the optimal design of high-resolution endoscopic optical coherence tomography catheters. / Benalcazar, Wladimir A.; Jung, Woonggyu; Boppart, Stephen A.

In: Optics Letters, Vol. 37, No. 6, 15.03.2012, p. 1100-1102.

Research output: Contribution to journalArticle

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