Dispersion compensation in optical coherence tomography

Maciej Maciejewski; Marcin Strąkowski; Jerzy Pluciński; Bogdan B. Kosmowski

doi:10.1117/12.714777

12 October 2006 Dispersion compensation in optical coherence tomography

Maciej Maciejewski, Marcin Strąkowski, Jerzy Pluciński, Bogdan B. Kosmowski

Proceedings Volume 6347, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2006; 63471K (2006) https://doi.org/10.1117/12.714777
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2006, 2006, Wilga, Poland

Abstract

Dispersion of optical elements and sample in optical coherence tomography (OCT) system introduce a wavelength dependent phase distortion to the light beam propagating in OCT system. This causes blurring of the image in high resolution OCT using broadband light sources. Also decreased resolution with the depth of a sample is observed. To avoid this, the overall dispersion of the system can be compensated using a dispersive material in the reference arm of a system. Unfortunately, the dispersion is changed in the system with the probing depth. Overcome to this problem is numerical dispersion compensation technique. Calculations can be made after the measurements have been taken to provide depth dependent compensation. Various techniques and their possibilities are presented.

Citation Download Citation

Maciej Maciejewski, Marcin Strąkowski, Jerzy Pluciński, and Bogdan B. Kosmowski "Dispersion compensation in optical coherence tomography", Proc. SPIE 6347, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2006, 63471K (12 October 2006); https://doi.org/10.1117/12.714777

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