Ultrahigh speed Spectral / Fourier domain OCT imaging in ophthalmology

Benjamin Potsaid, Iwona Gorczynska, Vivek Srinivasan, Yueli Chen, Jonathan Liu, James Jiang, Alex Cable, Jay S. Duker, James G. Fujimoto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Ultrahighs peed Spectral/Fourier domain ophthalmic OCT imaging at 70, 000-312,500 a xial scansper second is demonstrated using a high speed CMOS camera at 800 nm. Comparative imaging results of the fovea illustrate the performance tradeoffs between different imaging speeds and spectrometer configurations. Dense 3 Dvolumetric acquisitions show minimal motion artifacts when acquired at 250,000 axial scans per second. The porous structure of the lamina cribrosa is shown in enface images extracted from a densevol umetric acquisition of the optical nerve head acquired at 106, 382 a xial scans persecond. Rapid repeated volume imaging (4D-OCT) shows blood flow in retinal capillaries. Boundaries of the capillary network are enhanced by motion contrast. 3D volumetric data acquired at 49,000 axial scans persecond using an InGaAs camera at 1050 nm is compared to volumetric data acquired at 101, 010 axial scans per second using a CMOS camera at 800nm. Averaging of adjacent cross sectional scans in the volume is shown to increase contrast in the images and reduce speckle. The enhanced penetration of the 1050 nm compared to the 800 nm OCT im aging system is shown. Dense 2D/3 D data sets and 4D-OCT repeated volume imaging pro mise altern ative methods for diagnosis and monitoring of disease.

Original languageEnglish (US)
Title of host publicationOptical Coherence Tomography and Coherence Techniques IV
Volume7372
DOIs
StatePublished - Dec 1 2009
Externally publishedYes
EventOptical Coherence Tomography and Coherence Techniques IV - Munich, Germany
Duration: Jun 14 2009Jun 17 2009

Other

OtherOptical Coherence Tomography and Coherence Techniques IV
CountryGermany
CityMunich
Period6/14/096/17/09

Fingerprint

Ophthalmology
ophthalmology
cameras
Imaging techniques
CMOS
acquisition
fovea
Artifacts
Cameras
nerves
tradeoffs
blood flow
artifacts
penetration
high speed
spectrometers
Speckle
Spectrometers
configurations
Blood

Keywords

  • Biomedical imaging
  • Ophthalmic imaging
  • Optical coherence tomography
  • Spectrometers and spectroscopic instrumentation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Radiology Nuclear Medicine and imaging

Cite this

Potsaid, B., Gorczynska, I., Srinivasan, V., Chen, Y., Liu, J., Jiang, J., ... Fujimoto, J. G. (2009). Ultrahigh speed Spectral / Fourier domain OCT imaging in ophthalmology. In Optical Coherence Tomography and Coherence Techniques IV (Vol. 7372). [73721P] https://doi.org/10.1117/12.831866

Ultrahigh speed Spectral / Fourier domain OCT imaging in ophthalmology. / Potsaid, Benjamin; Gorczynska, Iwona; Srinivasan, Vivek; Chen, Yueli; Liu, Jonathan; Jiang, James; Cable, Alex; Duker, Jay S.; Fujimoto, James G.

Optical Coherence Tomography and Coherence Techniques IV. Vol. 7372 2009. 73721P.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Potsaid, B, Gorczynska, I, Srinivasan, V, Chen, Y, Liu, J, Jiang, J, Cable, A, Duker, JS & Fujimoto, JG 2009, Ultrahigh speed Spectral / Fourier domain OCT imaging in ophthalmology. in Optical Coherence Tomography and Coherence Techniques IV. vol. 7372, 73721P, Optical Coherence Tomography and Coherence Techniques IV, Munich, Germany, 6/14/09. https://doi.org/10.1117/12.831866
Potsaid B, Gorczynska I, Srinivasan V, Chen Y, Liu J, Jiang J et al. Ultrahigh speed Spectral / Fourier domain OCT imaging in ophthalmology. In Optical Coherence Tomography and Coherence Techniques IV. Vol. 7372. 2009. 73721P https://doi.org/10.1117/12.831866
Potsaid, Benjamin ; Gorczynska, Iwona ; Srinivasan, Vivek ; Chen, Yueli ; Liu, Jonathan ; Jiang, James ; Cable, Alex ; Duker, Jay S. ; Fujimoto, James G. / Ultrahigh speed Spectral / Fourier domain OCT imaging in ophthalmology. Optical Coherence Tomography and Coherence Techniques IV. Vol. 7372 2009.
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