Abstract

We describe an artifact removal setup swept-source optical coherence tomography (OCT) system that enables high-speed full-range imaging. We implement a piezoelectric fiber stretcher to generate a periodic phase shift between successive A-scans, thus introducing a transverse modulation. The depth ambiguity is then resolved by performing a Fourier filtering in the transverse direction before processing the data in the axial direction. The dc artifact is also removed. The key factor is that the piezoelectric fiber stretcher can be used to generate discrete phase shifts with a high repetition rate. The proposed experimental setup is a much improved version of the previously reported B-M mode scanning for spectral-domain OCT in that it does not generate additional artifacts. It is a simple and low-cost solution for artifact removal that can easily be applied.

© 2008 Optical Society of America

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2008 (1)

G. Lamouche, C.-E. Bisaillon, S. Vergnole, and J.-P. Monchalin, Proc. SPIE 6847, 684724 (2008).
[CrossRef]

2007 (6)

2006 (2)

2005 (3)

2004 (1)

2002 (1)

1997 (1)

1995 (1)

A. F. Fercher, C. K. Hitzenberger, G. Kamp, and S. Y. El Zaiat, Opt. Commun. 117, 43 (1995).
[CrossRef]

An, L.

Aoki, G.

Bachmann, A.

Baumann, B.

Bisaillon, C.-E.

G. Lamouche, C.-E. Bisaillon, S. Vergnole, and J.-P. Monchalin, Proc. SPIE 6847, 684724 (2008).
[CrossRef]

Bouma, B. E.

Chen, Z.

Chinn, S. R.

Choma, M. A.

A. M. Davis, M. A. Choma, and J. A. Izatt, J. Biomed. Opt. 10, 064005 (2005).
[CrossRef]

Davis, A. M.

A. M. Davis, M. A. Choma, and J. A. Izatt, J. Biomed. Opt. 10, 064005 (2005).
[CrossRef]

de Boer, J. F.

Dufour, M.

S. Vergnole, G. Lamouche, M. Dufour, and B. Gauthier, Proc. SPIE 6627, 66271J (2007).
[CrossRef]

El Zaiat, S. Y.

A. F. Fercher, C. K. Hitzenberger, G. Kamp, and S. Y. El Zaiat, Opt. Commun. 117, 43 (1995).
[CrossRef]

Endo, T.

Fercher, A. F.

M. Wojtkowski, A. Kowalczyk, R. Leitgeb, and A. F. Fercher, Opt. Lett. 27, 1415 (2002).
[CrossRef]

A. F. Fercher, C. K. Hitzenberger, G. Kamp, and S. Y. El Zaiat, Opt. Commun. 117, 43 (1995).
[CrossRef]

Fujimoto, J. G.

Gauthier, B.

S. Vergnole, G. Lamouche, M. Dufour, and B. Gauthier, Proc. SPIE 6627, 66271J (2007).
[CrossRef]

Götzinger, E.

Hitzenberger, C. K.

Itoh, M.

Izatt, J. A.

A. M. Davis, M. A. Choma, and J. A. Izatt, J. Biomed. Opt. 10, 064005 (2005).
[CrossRef]

Kamp, G.

A. F. Fercher, C. K. Hitzenberger, G. Kamp, and S. Y. El Zaiat, Opt. Commun. 117, 43 (1995).
[CrossRef]

Kowalczyk, A.

Lamouche, G.

G. Lamouche, C.-E. Bisaillon, S. Vergnole, and J.-P. Monchalin, Proc. SPIE 6847, 684724 (2008).
[CrossRef]

S. Vergnole, G. Lamouche, M. Dufour, and B. Gauthier, Proc. SPIE 6627, 66271J (2007).
[CrossRef]

Lasser, T.

Leitgeb, R.

Leitgeb, R. A.

Makita, S.

Michaely, R.

Monchalin, J.-P.

G. Lamouche, C.-E. Bisaillon, S. Vergnole, and J.-P. Monchalin, Proc. SPIE 6847, 684724 (2008).
[CrossRef]

Nelson, J. S.

Pircher, M.

Sekhar, S. C.

Swanson, E. A.

Tearney, G. J.

Vergnole, S.

G. Lamouche, C.-E. Bisaillon, S. Vergnole, and J.-P. Monchalin, Proc. SPIE 6847, 684724 (2008).
[CrossRef]

S. Vergnole, G. Lamouche, M. Dufour, and B. Gauthier, Proc. SPIE 6627, 66271J (2007).
[CrossRef]

Wang, R. K.

R. K. Wang, Phys. Med. Biol. 52, 5897 (2007).
[CrossRef] [PubMed]

R. K. Wang, Appl. Phys. Lett. 90, 054103 (2007).
[CrossRef]

L. An and R. K. Wang, Opt. Lett. 32, 3423 (2007).
[CrossRef] [PubMed]

Wojtkowski, M.

Yasuno, Y.

Yatagai, T.

Yun, S. H.

Zhang, J.

Appl. Opt. (1)

Appl. Phys. Lett. (1)

R. K. Wang, Appl. Phys. Lett. 90, 054103 (2007).
[CrossRef]

J. Biomed. Opt. (1)

A. M. Davis, M. A. Choma, and J. A. Izatt, J. Biomed. Opt. 10, 064005 (2005).
[CrossRef]

Opt. Commun. (1)

A. F. Fercher, C. K. Hitzenberger, G. Kamp, and S. Y. El Zaiat, Opt. Commun. 117, 43 (1995).
[CrossRef]

Opt. Express (4)

Opt. Lett. (5)

Phys. Med. Biol. (1)

R. K. Wang, Phys. Med. Biol. 52, 5897 (2007).
[CrossRef] [PubMed]

Proc. SPIE (2)

S. Vergnole, G. Lamouche, M. Dufour, and B. Gauthier, Proc. SPIE 6627, 66271J (2007).
[CrossRef]

G. Lamouche, C.-E. Bisaillon, S. Vergnole, and J.-P. Monchalin, Proc. SPIE 6847, 684724 (2008).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

SS-OCT setup. Cp1 and Cp2, couplers; PFS, piezoeletric fiber stretcher; PC, polarization controller; Cir1 and Cir2, circulators; BD, balanced detection.

Fig. 2
Fig. 2

Variation of the voltage applied to the PFS.

Fig. 3
Fig. 3

Top view of the normalized transverse Fourier transform for different transverse steps [ 2.5 μ m (top left) and 1.2 μ m (top right)] and the corresponding OCT images (bottom) of an onion with artifact removal processing. The onion was put under the zero path delay to better appreciate the efficiency of the artifact removal.

Fig. 4
Fig. 4

Image of a finger tip (a) without processing and (b) with processing. Images are 3 mm wide and 3 mm deep with a transverse step of 1 μ m .

Equations (4)

Equations on this page are rendered with MathJax. Learn more.

I ( u , ν ) = k 0 δ ( u ) + 1 2 δ ( u k x ) e i k ν ν + 1 2 δ ( u + k x ) e i k ν ν ,
i ̂ ( x , ν ) = F x 1 [ I ̂ ( u , ν ) ] = 1 2 ( e i k x x ) e i k ν ν .
I ̂ ( x , z ) = F z 1 [ i ̂ ( x , ν ) ] = 1 2 [ e i k x x ] [ δ ( z k ν ) ] ,
δ x < 0.68 4 2 λ f d .

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