Measurement of the three-dimensional point-spread function in an optical coherence tomography imaging system

Peter H. Tomlins; Peter Woolliams; Matthew Tedaldi; Andrew Beaumont; Christian Hart

doi:10.1117/12.766576

18 February 2008 Measurement of the three-dimensional point-spread function in an optical coherence tomography imaging system

Peter H. Tomlins, Peter Woolliams, Matthew Tedaldi, Andrew Beaumont, Christian Hart

Author Affiliations +

Proceedings Volume 6847, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XII; 68472Q (2008) https://doi.org/10.1117/12.766576
Event: SPIE BiOS, 2008, San Jose, California, United States

Abstract

Two significant figures of merit for optical coherence tomography (OCT) systems are the axial and transverse resolutions. Transverse resolution has been defined using the Rayleigh Criterion or from Gaussian beam optics. The axial resolution is generally defined in terms of the coherence length of a Gaussian shaped source. Whilst these definitions provide a useful mathematical reference they are somewhat abstracted from the three dimensional resolution that is encountered under practical imaging conditions. Therefore, we have developed a three-dimensional resolution target and measurement methodology that can be used to calibrate the three-dimensional resolution of OCT systems.

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Peter H. Tomlins, Peter Woolliams, Matthew Tedaldi, Andrew Beaumont, and Christian Hart "Measurement of the three-dimensional point-spread function in an optical coherence tomography imaging system", Proc. SPIE 6847, Coherence Domain Optical Methods and Optical Coherence Tomography in Biomedicine XII, 68472Q (18 February 2008); https://doi.org/10.1117/12.766576

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