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Coherence revival multiplexed, buffered swept source optical coherence tomography: 400 kHz imaging with a 100 kHz source.

Publication ,  Journal Article
Nankivil, D; Dhalla, A-H; Gahm, N; Shia, K; Farsiu, S; Izatt, JA
Published in: Optics letters
July 2014

The effective speed of a swept source optical coherence tomography (SSOCT) imaging system was quadrupled using efficient sweep buffering along with coherence revival and spatial multiplexing. A polarizing beam splitter and fold mirror assembly were used to create a dual spot sample arm with a common objective designed for near-diffraction-limited retinal imaging. Using coherence revival, a variable optical delay line allowed for separate locations within a sample to be simultaneously imaged and frequency encoded by carefully controlling the optical path length of each sample path. This method can be used to efficiently quadruple the imaging speed of any SSOCT system employing a low duty-cycle laser that exhibits coherence revival. The system was used to image the retina of healthy human volunteers.

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Published In

Optics letters

DOI

EISSN

1539-4794

ISSN

0146-9592

Publication Date

July 2014

Volume

39

Issue

13

Start / End Page

3740 / 3743

Related Subject Headings

  • Tomography, Optical Coherence
  • Retina
  • Optics
  • Optical Phenomena
  • Image Processing, Computer-Assisted
  • Humans
  • Diagnostic Techniques, Ophthalmological
  • 5102 Atomic, molecular and optical physics
  • 4009 Electronics, sensors and digital hardware
  • 4006 Communications engineering
 

Citation

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Nankivil, D., Dhalla, A.-H., Gahm, N., Shia, K., Farsiu, S., & Izatt, J. A. (2014). Coherence revival multiplexed, buffered swept source optical coherence tomography: 400 kHz imaging with a 100 kHz source. Optics Letters, 39(13), 3740–3743. https://doi.org/10.1364/ol.39.003740
Nankivil, Derek, Al-Hafeez Dhalla, Niklas Gahm, Kevin Shia, Sina Farsiu, and Joseph A. Izatt. “Coherence revival multiplexed, buffered swept source optical coherence tomography: 400 kHz imaging with a 100 kHz source.Optics Letters 39, no. 13 (July 2014): 3740–43. https://doi.org/10.1364/ol.39.003740.
Nankivil D, Dhalla A-H, Gahm N, Shia K, Farsiu S, Izatt JA. Coherence revival multiplexed, buffered swept source optical coherence tomography: 400 kHz imaging with a 100 kHz source. Optics letters. 2014 Jul;39(13):3740–3.
Nankivil, Derek, et al. “Coherence revival multiplexed, buffered swept source optical coherence tomography: 400 kHz imaging with a 100 kHz source.Optics Letters, vol. 39, no. 13, July 2014, pp. 3740–43. Epmc, doi:10.1364/ol.39.003740.
Nankivil D, Dhalla A-H, Gahm N, Shia K, Farsiu S, Izatt JA. Coherence revival multiplexed, buffered swept source optical coherence tomography: 400 kHz imaging with a 100 kHz source. Optics letters. 2014 Jul;39(13):3740–3743.
Journal cover image

Published In

Optics letters

DOI

EISSN

1539-4794

ISSN

0146-9592

Publication Date

July 2014

Volume

39

Issue

13

Start / End Page

3740 / 3743

Related Subject Headings

  • Tomography, Optical Coherence
  • Retina
  • Optics
  • Optical Phenomena
  • Image Processing, Computer-Assisted
  • Humans
  • Diagnostic Techniques, Ophthalmological
  • 5102 Atomic, molecular and optical physics
  • 4009 Electronics, sensors and digital hardware
  • 4006 Communications engineering