Abstract

We report a technique that improves the spatial resolution of optical coherence tomography (OCT) by utilizing fiber-based spectral filtering. The proposed technique improves the resolution by filtering out the erbium’s characteristic peak from the amplified spontaneous emission (ASE) source spectrum, and reshaping the spectrum to Gaussian-like. We used a long period fiber grating (LPG) and an erbium doped fiber (EDF) absorber for the spectral filtering. An in-house made ASE source as well as a commercial ASE source [ASE-FL7002] was used as the OCT sources to study the proposed technique. The resolution of the OCT based on an in-house made ASE source is enhanced from 200 to 40 ㎛ with an LPG. While, the resolution of the OCT based on a commercial ASE source is enhanced from 25 to 19 ㎛ with the aid of an EDF absorber. However, sidelobes still exist in the interferogram due to imperfect spectral filtering, which limited the resolution. Further enhancement in the spatial resolution of the OCT system using the ASE source is possible with the aid of cascaded LPGs and/or carefully designed EDF absorber.

© 2003 Optical Society of Korea

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  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, vol. 254, pp. 1178-1181, 1991
    [Crossref]
  2. G. J. Tearney, B. E. Bouma, S. A. Boppart, B. Gol-ubovic, E. A. Swanson, and J. G. Fujimoto, "Rapid acquisition of in vivo biological Images using optical coherence tomography," Opt. Lett., vol. 21, no. 17, pp. 1408-1410, 1996
    [Crossref]
  3. B. Bouma, G. J. Tearney, S. A. Boppart, M. R. Hee, M. E. Brezinski, and J. G. Fujimoto, "High resolution optical coherence tomographic imaging using a mode-locked Ti:<TEX>$Al_2O_3$</TEX> laser source," Opt. Lett., vol. 20, no. 1, pp. 1-3, 1995
    [Crossref]
  4. W. Drexler, U. Morger, F. X. Kartner, C. Pitris, S. A. Boppart, X. D. Li, E. P. Ippen, and J. G. Fuji-moto, "In vivo ultrahigh-resolution optical coherence tomography," Opt. Lett., vol. 24, no.17, pp. 1221-1223, 1999
    [Crossref]
  5. B. Povazay, K. Bizheva, A. Unterhuber, B. Hermann, H. Sattmann, A. F. Fercher, W. Drexler, A. Apolonski, W. J. Wadsworth, J. C. Knight, P. St. J. Russell, M. Vetterlein, E. Scherzer, "Submicrometer axial resolution optical coherence tomography," Opt. Lett., vol. 27, no. 20, pp. 1800-1802, 2002
    [Crossref]
  6. J. Kim, H. K. Kim, U.-C. Paek, B. H. Lee, and J. B. Eom, "The Fabrication of the Photonic Crystal Fiber and its Properties Measurement," J. Opt. Soc. Kor., vol. 7, no. 2, pp. 150-155, 2003
    [Crossref]
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    [Crossref]
  8. Y. Zhang, M. Sato, and N. Tanno, "Resolution improvement in optical coherence tomography by optical synthesis of light-emitting diodes," Opt. Lett., Vol. 26, no. 4, pp. 205-207, 2001
    [Crossref]
  9. R. Tripathi, N. Nassif, J. S. Nelson, B. H. Park and J. F. de Boer, "Spectral shaping for non-Gaussian source spectra in optical coherence tomography," Opt. Lett., vol. 27, no. 6, pp. 406-408, 2002
    [Crossref]
  10. E. D. J. Smith, S. C. Moore, N. Wada, W. Chujo, and D. D. Sampson, "Spectral Domain Interferometry for OCDR Using Non-Gaussian Broad-Band Sources," IEEE Photon. Technol. Lett., vol. 13, no. 1, pp. 64-66, 2001
    [Crossref]
  11. E. A. Swanson, D. Huang, M. R. Hee, J. G. Fujimoto, C. P. Lin, and C. A. Puliafito, "High speed optical coherence domain reflectometry," Opt. Lett., vol. 17, no. 3, pp. 151-153, 1992
    [Crossref]
  12. J. A. Izatt, M. D. Kulkarni, H. Wang, K. Kobayashi, and M. V. Sivak, Jr, "Optical Coherence Tomography and Microscopy in Gastrointestinal Tissues," IEEE J. Sel. Top. Quantum Electron., vol. 2, no. 4, pp. 1017-1028, 1996
    [Crossref]
  13. B. E. A. Saleh and M. C. Teich, Fundamentals of photonics (John Wiley & Sons. Inc, New York, 1991)
  14. R. Kashyap, Fiber Bragg Gratings, (Acamedic Press, New York, 1999)
  15. E. Choi, Y.-J., C. Lee, J. Na, C. Lee, and B. Ha Lee, "OCT Premier in Korea," in Asian Symposium on Biomedical Optics and Photomedicine 2002, TB2-2, pp. 142-143, 2002
  16. E. Desurvire, Erbium-Doped Fiber Amplifiers: Principles and Applications (John Wiley & Sons, Inc., New York, 1994)

2003 (1)

J. Kim, H. K. Kim, U.-C. Paek, B. H. Lee, and J. B. Eom, "The Fabrication of the Photonic Crystal Fiber and its Properties Measurement," J. Opt. Soc. Kor., vol. 7, no. 2, pp. 150-155, 2003
[Crossref]

2002 (3)

R. Tripathi, N. Nassif, J. S. Nelson, B. H. Park and J. F. de Boer, "Spectral shaping for non-Gaussian source spectra in optical coherence tomography," Opt. Lett., vol. 27, no. 6, pp. 406-408, 2002
[Crossref]

B. Povazay, K. Bizheva, A. Unterhuber, B. Hermann, H. Sattmann, A. F. Fercher, W. Drexler, A. Apolonski, W. J. Wadsworth, J. C. Knight, P. St. J. Russell, M. Vetterlein, E. Scherzer, "Submicrometer axial resolution optical coherence tomography," Opt. Lett., vol. 27, no. 20, pp. 1800-1802, 2002
[Crossref]

E. Choi, Y.-J., C. Lee, J. Na, C. Lee, and B. Ha Lee, "OCT Premier in Korea," in Asian Symposium on Biomedical Optics and Photomedicine 2002, TB2-2, pp. 142-143, 2002

2001 (3)

E. D. J. Smith, S. C. Moore, N. Wada, W. Chujo, and D. D. Sampson, "Spectral Domain Interferometry for OCDR Using Non-Gaussian Broad-Band Sources," IEEE Photon. Technol. Lett., vol. 13, no. 1, pp. 64-66, 2001
[Crossref]

I. Hartl, X. D. Li, C. Chudoba, R. K. Ghanta, T. H. Ko, J. G. Fujimoto, J. K. Ranka, R. S. Windeler, "Ultrahigh-resolution optical coherence tomography using continuum generation in an air silica microstructure optical fiber," Opt. Lett., vol. 26, no. 9, pp. 608-610, 2001
[Crossref]

Y. Zhang, M. Sato, and N. Tanno, "Resolution improvement in optical coherence tomography by optical synthesis of light-emitting diodes," Opt. Lett., Vol. 26, no. 4, pp. 205-207, 2001
[Crossref]

1999 (2)

W. Drexler, U. Morger, F. X. Kartner, C. Pitris, S. A. Boppart, X. D. Li, E. P. Ippen, and J. G. Fuji-moto, "In vivo ultrahigh-resolution optical coherence tomography," Opt. Lett., vol. 24, no.17, pp. 1221-1223, 1999
[Crossref]

R. Kashyap, Fiber Bragg Gratings, (Acamedic Press, New York, 1999)

1996 (2)

J. A. Izatt, M. D. Kulkarni, H. Wang, K. Kobayashi, and M. V. Sivak, Jr, "Optical Coherence Tomography and Microscopy in Gastrointestinal Tissues," IEEE J. Sel. Top. Quantum Electron., vol. 2, no. 4, pp. 1017-1028, 1996
[Crossref]

G. J. Tearney, B. E. Bouma, S. A. Boppart, B. Gol-ubovic, E. A. Swanson, and J. G. Fujimoto, "Rapid acquisition of in vivo biological Images using optical coherence tomography," Opt. Lett., vol. 21, no. 17, pp. 1408-1410, 1996
[Crossref]

1995 (1)

B. Bouma, G. J. Tearney, S. A. Boppart, M. R. Hee, M. E. Brezinski, and J. G. Fujimoto, "High resolution optical coherence tomographic imaging using a mode-locked Ti:<TEX>$Al_2O_3$</TEX> laser source," Opt. Lett., vol. 20, no. 1, pp. 1-3, 1995
[Crossref]

1994 (1)

E. Desurvire, Erbium-Doped Fiber Amplifiers: Principles and Applications (John Wiley & Sons, Inc., New York, 1994)

1992 (1)

E. A. Swanson, D. Huang, M. R. Hee, J. G. Fujimoto, C. P. Lin, and C. A. Puliafito, "High speed optical coherence domain reflectometry," Opt. Lett., vol. 17, no. 3, pp. 151-153, 1992
[Crossref]

1991 (2)

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, vol. 254, pp. 1178-1181, 1991
[Crossref]

B. E. A. Saleh and M. C. Teich, Fundamentals of photonics (John Wiley & Sons. Inc, New York, 1991)

Asian Symposium on Biomedical Optics and Photomedicine 2002, TB2-2 (1)

E. Choi, Y.-J., C. Lee, J. Na, C. Lee, and B. Ha Lee, "OCT Premier in Korea," in Asian Symposium on Biomedical Optics and Photomedicine 2002, TB2-2, pp. 142-143, 2002

Journal of the Optical Society of Korea (1)

J. Kim, H. K. Kim, U.-C. Paek, B. H. Lee, and J. B. Eom, "The Fabrication of the Photonic Crystal Fiber and its Properties Measurement," J. Opt. Soc. Kor., vol. 7, no. 2, pp. 150-155, 2003
[Crossref]

Optics Letters (8)

I. Hartl, X. D. Li, C. Chudoba, R. K. Ghanta, T. H. Ko, J. G. Fujimoto, J. K. Ranka, R. S. Windeler, "Ultrahigh-resolution optical coherence tomography using continuum generation in an air silica microstructure optical fiber," Opt. Lett., vol. 26, no. 9, pp. 608-610, 2001
[Crossref]

Y. Zhang, M. Sato, and N. Tanno, "Resolution improvement in optical coherence tomography by optical synthesis of light-emitting diodes," Opt. Lett., Vol. 26, no. 4, pp. 205-207, 2001
[Crossref]

R. Tripathi, N. Nassif, J. S. Nelson, B. H. Park and J. F. de Boer, "Spectral shaping for non-Gaussian source spectra in optical coherence tomography," Opt. Lett., vol. 27, no. 6, pp. 406-408, 2002
[Crossref]

G. J. Tearney, B. E. Bouma, S. A. Boppart, B. Gol-ubovic, E. A. Swanson, and J. G. Fujimoto, "Rapid acquisition of in vivo biological Images using optical coherence tomography," Opt. Lett., vol. 21, no. 17, pp. 1408-1410, 1996
[Crossref]

B. Bouma, G. J. Tearney, S. A. Boppart, M. R. Hee, M. E. Brezinski, and J. G. Fujimoto, "High resolution optical coherence tomographic imaging using a mode-locked Ti:<TEX>$Al_2O_3$</TEX> laser source," Opt. Lett., vol. 20, no. 1, pp. 1-3, 1995
[Crossref]

W. Drexler, U. Morger, F. X. Kartner, C. Pitris, S. A. Boppart, X. D. Li, E. P. Ippen, and J. G. Fuji-moto, "In vivo ultrahigh-resolution optical coherence tomography," Opt. Lett., vol. 24, no.17, pp. 1221-1223, 1999
[Crossref]

B. Povazay, K. Bizheva, A. Unterhuber, B. Hermann, H. Sattmann, A. F. Fercher, W. Drexler, A. Apolonski, W. J. Wadsworth, J. C. Knight, P. St. J. Russell, M. Vetterlein, E. Scherzer, "Submicrometer axial resolution optical coherence tomography," Opt. Lett., vol. 27, no. 20, pp. 1800-1802, 2002
[Crossref]

E. A. Swanson, D. Huang, M. R. Hee, J. G. Fujimoto, C. P. Lin, and C. A. Puliafito, "High speed optical coherence domain reflectometry," Opt. Lett., vol. 17, no. 3, pp. 151-153, 1992
[Crossref]

Photonics Technology Letters, IEEE (1)

E. D. J. Smith, S. C. Moore, N. Wada, W. Chujo, and D. D. Sampson, "Spectral Domain Interferometry for OCDR Using Non-Gaussian Broad-Band Sources," IEEE Photon. Technol. Lett., vol. 13, no. 1, pp. 64-66, 2001
[Crossref]

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, vol. 254, pp. 1178-1181, 1991
[Crossref]

Selected Topics in Quantum Electronics, IEEE Journal of (1)

J. A. Izatt, M. D. Kulkarni, H. Wang, K. Kobayashi, and M. V. Sivak, Jr, "Optical Coherence Tomography and Microscopy in Gastrointestinal Tissues," IEEE J. Sel. Top. Quantum Electron., vol. 2, no. 4, pp. 1017-1028, 1996
[Crossref]

Other (3)

B. E. A. Saleh and M. C. Teich, Fundamentals of photonics (John Wiley & Sons. Inc, New York, 1991)

R. Kashyap, Fiber Bragg Gratings, (Acamedic Press, New York, 1999)

E. Desurvire, Erbium-Doped Fiber Amplifiers: Principles and Applications (John Wiley & Sons, Inc., New York, 1994)

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