Endoscope-tip interferometer for ultrahigh resolution frequency domain optical coherence tomography in mouse colon

Alexandre R. Tumlinson, Jennifer K Barton, Boris Považay, Harald Sattman, Angelika Unterhuber, Rainer A. Leitgeb, Wolfgang Drexler

Research output: Contribution to journalArticle

92 Citations (Scopus)

Abstract

Frequency domain optical coherence tomography (FD-OCT) allows interferometer topologies with simplified system construction and handling. Problems of dispersion and polarization matching between the sample and reference arms, as well as beamsplitter spectral non-uniformity, are mitigated when the interferometer is wholly contained in the endoscope tip. A common path set-up, using a reference reflection originating from the inside surface of the glass envelope at the distal end of the endoscope, and an alternative approach with more efficient collection of the reference light using a novel beamsplitter design have been developed. High-speed (20,000 A-lines/s) ultrahigh axial resolution (2.4 μm) tomograms of mouse colon have been acquired using a 2 mm outer diameter endoscope in vivo. The FD-OCT system uses a compact mode-locked Ti:Al2O3 laser emitting a broad spectrum (160 nm full-width-half-maximum) centered at 800 nm in combination with a CCD based, spectrally sensitive detector.

Original languageEnglish (US)
Pages (from-to)1878-1887
Number of pages10
JournalOptics Express
Volume14
Issue number5
DOIs
StatePublished - 2006

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endoscopes
mice
interferometers
tomography
nonuniformity
charge coupled devices
envelopes
topology
high speed
glass
detectors
polarization
lasers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Tumlinson, A. R., Barton, J. K., Považay, B., Sattman, H., Unterhuber, A., Leitgeb, R. A., & Drexler, W. (2006). Endoscope-tip interferometer for ultrahigh resolution frequency domain optical coherence tomography in mouse colon. Optics Express, 14(5), 1878-1887. https://doi.org/10.1364/OE.14.001878

Endoscope-tip interferometer for ultrahigh resolution frequency domain optical coherence tomography in mouse colon. / Tumlinson, Alexandre R.; Barton, Jennifer K; Považay, Boris; Sattman, Harald; Unterhuber, Angelika; Leitgeb, Rainer A.; Drexler, Wolfgang.

In: Optics Express, Vol. 14, No. 5, 2006, p. 1878-1887.

Research output: Contribution to journalArticle

Tumlinson, AR, Barton, JK, Považay, B, Sattman, H, Unterhuber, A, Leitgeb, RA & Drexler, W 2006, 'Endoscope-tip interferometer for ultrahigh resolution frequency domain optical coherence tomography in mouse colon', Optics Express, vol. 14, no. 5, pp. 1878-1887. https://doi.org/10.1364/OE.14.001878
Tumlinson, Alexandre R. ; Barton, Jennifer K ; Považay, Boris ; Sattman, Harald ; Unterhuber, Angelika ; Leitgeb, Rainer A. ; Drexler, Wolfgang. / Endoscope-tip interferometer for ultrahigh resolution frequency domain optical coherence tomography in mouse colon. In: Optics Express. 2006 ; Vol. 14, No. 5. pp. 1878-1887.
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