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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 8 — Apr. 13, 2009
  • pp: 6025–6025

Optics InfoBase > Optics Express > Volume 17 > Issue 8 > Page 6025

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Ultra-high speed volumetric tomography of human retinal blood flow: erratum

Tilman Schmoll, Christoph Kolbitsch, and Rainer A. Leitgeb  »View Author Affiliations


Optics Express, Vol. 17, Issue 8, pp. 6025-6025 (2009)
http://dx.doi.org/10.1364/OE.17.006025


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Abstract

We correct a formula calculating the velocity dynamics. Furthermore we correct a table showing minimum and maximum detectable velocities for specific detector line rates. Our previous results as well as conclusions remain unchanged.

© 2009 Optical Society of America

In the article [1

T. Schmoll, C. Kolbitsch, and R. A. Leitgeb, “Ultra-high-speed volumetric tomography of human retinal blood flow,” Opt. Express 17, 4166–4176 (2009), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-5-4166. [CrossRef] [PubMed]

], section 3.1 we presented a formula calculating the velocity dynamics of detectable flow speeds, with switched nominator and denominator. The correct formula reads 2vmax/vmin = 2π/ΔΦerr.

In addition we changed Table 1 in section 3.3 showing detectable flow speeds for given detector line rates. In [1

T. Schmoll, C. Kolbitsch, and R. A. Leitgeb, “Ultra-high-speed volumetric tomography of human retinal blood flow,” Opt. Express 17, 4166–4176 (2009), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-5-4166. [CrossRef] [PubMed]

] we used the exposure time instead of the line period for the calculations of minimum and maximum detectable flow velocities. The resulting velocities are corrected and a column showing the detector line period T is added. The corrected table is shown in Table 1.

Table 1.  Standard D-FDOCT performance figures for different array detector line rates
line rate (kHz)SNR (dB)T(μs)τ(μs)Vmin (mm/s)Vmax (mm/s)vmin/vmax
wo/scan w/scan SNR na
202050.048.30.04 0.54 23 4.2 0.13
6015.916.7150.13 1.6 46 12.4 0.13
10014.310.08.30.21 2.7 80 20.8 0.13
160106.34.60.34 4.3 67 32.9 0.13
2009.45.03.30.42 5.4 90 41.5 0.13

References and links

1.

T. Schmoll, C. Kolbitsch, and R. A. Leitgeb, “Ultra-high-speed volumetric tomography of human retinal blood flow,” Opt. Express 17, 4166–4176 (2009), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-5-4166. [CrossRef] [PubMed]

OCIS Codes
(000.0000) General : General
(110.4500) Imaging systems : Optical coherence tomography
(170.4470) Medical optics and biotechnology : Ophthalmology
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(170.2655) Medical optics and biotechnology : Functional monitoring and imaging

ToC Category:
Functional OCT

History
Original Manuscript: March 26, 2009
Published: March 30, 2009

Virtual Issues
Vol. 4, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Tilman Schmoll, Christoph Kolbitsch, and Rainer A. Leitgeb, "Ultra-high speed volumetric tomography of human retinal blood flow: erratum," Opt. Express 17, 6025-6025 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-8-6025


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