Share Email Print

Proceedings Paper

Exposure time dependence of image quality in high-speed retinal in vivo Fourier-domain OCT
Format Member Price Non-Member Price
PDF $17.00 $21.00

Paper Abstract

We built a Fourier domain optical coherence tomography (FD-OCT) system using a line scan CCD camera that allows real time data display and acquisition. This instrument is able to produce 2D B-scans as well as 3D data sets with human subjects in vivo in clinical settings. In this paper we analyze the influence of varying exposure times of the CCD detector on image quality. Sensitivity values derived from theoretical predictions have been compared with measurements (obtained with mirrors and neutral density filters placed in both interferometer arms). The results of these experiments, discussion about differences between sensitivity values, potential sources of discrepancies, and recommendations for optimal exposure times will be described in this paper. A short discussion of observed artifacts as well as possible ways to remove them is presented. The influence of relative retinal position with respect to reference mirror position will also be described.

Paper Details

Date Published: 18 April 2005
PDF: 8 pages
Proc. SPIE 5688, Ophthalmic Technologies XV, (18 April 2005); doi: 10.1117/12.591660
Show Author Affiliations
Robert Jozef Zawadzki, Univ. of California/Davis (United States)
Duke Univ. (United States)
Bradley A. Bower, Duke Univ. (United States)
Mingtao Zhao, Duke Univ. (United States)
Marinko Sarunic, Duke Univ. (United States)
Sophie Laut, Univ. of California/Davis (United States)
John S. Werner, Univ. of California/Davis (United States)
Joseph A. Izatt, Duke Univ. (United States)

Published in SPIE Proceedings Vol. 5688:
Ophthalmic Technologies XV
Fabrice Manns; Bruce E. Stuck; Michael Belkin M.D.; Per G. Söderberg; Arthur Ho, Editor(s)

© SPIE. Terms of Use
Back to Top