Abstract

We present an effective approach to manage dispersion compensation for a fiber-optic optical coherence tomography (OCT) imaging system in which an electro-optic (EO) phase modulator or an acousto-optic (AO) frequency modulator is used. To balance both the second and third order dispersion caused by the modulator, two independent optical components would be needed. The approach reported here combines a grating-lens delay line and an extra length of a single-mode optical fiber, enabling full compensation of the dispersion caused by the modulator up to the third order. Theoretical analysis of the proposed dispersion management scheme is provided. Experimental results confirmed the theoretical prediction and an optimal OCT axial resolution offered by the light source was recovered. The proposed method can potentially incorporate dynamic dispersion compensation for the sample during depth scanning.

© 2004 Optical Society of America

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Appl. Opt. (4)

IEEE J. Quantum Electron. (1)

E. B. Treacy, "Optical pulse compression with diffraction gratings," IEEE J. Quantum Electron. QE-5, 454-458 (1969).
[CrossRef]

J. Biomed. Opt. (1)

C. K. Hitzenberger, A. Baumgartner, W. Drexler, and A. F. Fercher, "Dispersion effects in partial coherence interferometry: implications for intraocular ranging," J. Biomed. Opt. 4, 144-151 (1999).
[CrossRef]

Opt. Commun. (1)

H. Matsumoto and A. Hirai, "A white-light interferometer using a lamp source and heterodyne detection with acousto-optic modulators," Opt. Commun. 170, 217-220 (1999).
[CrossRef]

Opt. Express (3)

Opt. Lett. (8)

E. D. J. Smith, A. V. Zvyagin, and D. D. Sampson, "Real-time dispersion compensation in scanning interferometry," Opt. Lett. 27, 1998-2000 (2002).

C. E. Saxer, J. F. de Boer, B. H. Park, Y. H. Zhao, Z. P. Chen, and J. S. Nelson, "High-speed fiber-based polarization-sensitive optical coherence tomography of in vivo human skin," Opt. Lett. 25, 1355-1357 (2000).

X. Liu, M. J. Cobb, Y. Chen, M. B. Kimmey, and X. D. Li, "Rapid-scanning forward-imaging miniature endoscope for real-time optical coherence tomography," Opt. Lett. 29, 1763-1765 (2004).
[CrossRef]

A. D. Aguirre, P. Hsiung, T. H. Ko, I. Hartl, and J. G. Fujimoto, "High-resolution optical coherence microscopy for high-speed, in vivo cellular imaging," Opt. Lett. 28, 2064-2066 (2003).

Y. H. Zhao, Z. P. Chen, C. Saxer, S. H. Xiang, J. F. de Boer, and J. S. Nelson, "Phase-resolved optical coherence tomography and optical Doppler tomography for imaging blood flow in human skin with fast scanning speed and high velocity sensitivity," Opt. Lett. 25, 114-116 (2000).

K. F. Kwong, D. Yankelevich, K. C. Chu, J. P. Heritage, and A. Dienes, "400-Hz Mechanical Scanning Optical Delay-Line," Opt. Lett. 18, 558-560 (1993).

X. J. Wang, T. E. Milner, and J. S. Nelson, "Characterization of Fluid-Flow Velocity by Optical Doppler Tomography," Opt. Lett. 20, 1337-1339 (1995).

G. J. Tearney, B. E. Bouma, and J. G. Fujimoto, "High-speed phase- and group-delay scanning with a grating-based phase control delay line," Opt. Lett. 22, 1811-1813 (1997).

Science (1)

D. Huang, E. A. Swanson, C. P. Lin, J. S. Schuman, W. G. Stinson, W. Chang, M. R. Hee, T. Flotte, K. Gregory, C. A. Puliafito, and J. G. Fujimoto," Optical Coherence Tomography," Science 254, 1178-1181 (1991).

Other (1)

M. Bass, Handbook of Optics, vol. II, 2nd ed. New York: McGraw-Hill, 1995.

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