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Download "Optimization for Axial Resolution, Depth Range, and Sensitivity of Spectral Domain Optical Coherence Tomography at 1.3 µm"
7 Journal of the Korean Physical Society, Vol. 55, No. 6, December 2009 camera (1024 pixels, klines/s) because of its high acquisition speed. When we obtained the axial resolution from PSFs according to the detected full spectral bandwidth in the spectrometer, we found that SD-OCT at 1.3 µm cannot satisfy the conditions both below the axial resolution of 5 µm and above the depth range of 2 mm because of the restricted pixel number of the linescan camera. When the depth range was increased, the measured axial resolution became larger than the theoretical axial resolution. On the other hand, if the axial resolution was preserved to be close to the theoretical axial resolution, the depth range and sensitivity were insufficient for OCT in turbid samples. Therefore, when the depth range was 2.0 mm, we could measure the axial resolution of 8.2 µm. In the case of SD-OCT, a sensitivity of up to db was achieved. ACKNOWLEDGMENTS This research was supported by a grant (2009K001280) from the Brain Research Center of the 21st Century Frontier Research Program and a grant ( ) from Basic Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology, Republic of Korea. This work was also supported by the research grants from the National Institute of Health (EB-00293, CA-91717, CA , and RR-01192), the Air Force Office of Scientific Research (FA ), and the Beckman Laser Institute Endowment. REFERENCES  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, Science 254, 1178 (1991).  J. Kim, C. Choi, K.-S. Soh, D.-S. Ho and B.-M. Kim, J. Korean Phys. Soc. 47, 375 (2005).  M. Kambe, S. Kinoshita, M. Ohmi and M. Haruna, J. Korean Phys. Soc. 53, 1290 (2008).  J. Zhang and Z. Chen, Opt. Express 13, 7449 (2005).  A. F. Fercher, J. Biomed. Opt. 1, 157 (1996).  A. F. Fercher, W. Drexler, C. K. Hitzenberger and T. Lasser, Rep. Prog. Phys. 66, 239 (2003).  T. H. Ko, D. C. Adler, J. G. Fujimoto, D. Mamedov, V. Prokhorov, V. Shidlovski and S. Yakubovich, Opt. Express 12, 2112 (2004).  M. Wojtkowski, V. J. Srinivasan, T. H. Ko, J. G. Fujimoto, A. Kowalczyk and J. S. Duker, Opt. Express 12, 2404 (2004).  R. A. Leitgeb, W. Drexler, A. Unterhuber, B. Hermann, T. Bajraszewski, T. Le, A. Stingl and A. F. Fercher, Opt. Express 12, 2156 (2004).  P. R. Herz, Y. Chen, A. D. Aguirre, J. G. Fujimoto, H. Mashimo, J. Schmitt, A. Koski, J. Goodnow and C. Petersen, Opt. Express 12, 3532 (2004).  A. R. Tumlinson, B. Povazay, L. P. Hariri, J. McNally, A. Unterhuber, B. Hermann, H. Sattmann, W. Drexler and J. K. Barton, J. Biomed. Opt. 11, (2006).  S. H. Yun, G. J. Tearney, B. E. Bouma, B. H. Park and J. F. de Boer, Opt. Express 11, 3598 (2003).  Y. Yasuno, V. D. Madjarova, S. Makita, M. Akiba, A. Morosawa, C. Chong, T. Sakai, K. P. Chan, M. Itoh and T. Yatagai, Opt. Express 13, (2005).  A. M. Rollins, M. D. Kulkarni, S. Yazdanfar, R. Ungarunyawee and J. A. Izatt, Opt. Express 3, 219 (1998).  S. H. Yun, G. J. Tearney, J. F. de Boer, N. Iftimia and B. E. Bouma, Opt. Express 11, 2953 (2003).  G. Hausler and M. W. Lindner, J. Biomed. Opt. 3, 21 (1998).  J. F. de Boer, B. Cense, B. H. Park, M. C. Pierce, G. J. Tearney and B. E. Bouma, Opt. Lett. 28, 2067 (2003).  B. Liu and M. E. Brezinski, J. Biomed. Opt. 12, (2007).  Y. Takahashi, Y. Watanabe and M. Sato, Appl. Opt. 46, 5228 (2007).  Y. Takahashi, Y. Watanabe and M. Sato, Jpn. J. Appl. Phys. 47, 6540 (2008).  W. H. Press, S. A. Teukolsky, W. T. Vetterling and B. P. Flannery, Numerical Recipes in C. (Cambridge University Press, 1992).  C. Dorrer, N. Belabas, J. Likforman and M. Joffre, J. Opt. Soc. Am. B 17, 1795 (2000).  Z. L. Hu, Y. S. Pan and A. M. Rollins, Appl. Opt. 46, 8499 (2007).  T. Bajraszewski, M. Wojtkowski, M. Szkulmowski, A. Szkulmowska, R. Huber and A. Kowalczyk, Opt. Express 16, 4163 (2008).  B. Potsaid, I. Gorczynska, V. J. Srinivasan, Y. L. Chen, J. Jiang, A. Cable and J. G. Fujimoto, Opt. Express 16, (2008).  B. E. Bouma and G. J. Tearney, Handbook of Optical Coherence Tomography (2002).  B. H. Park, M. C. Pierce, B. Cense and J. F. de Boer, Opt. Express 11, 782 (2003).  J. P. Su, J. Zhang, L. F. Yu, H. G. Colt, M. Brenner and Z. Chen, J. Biomed. Opt. 13, (2008).  T. E. Ustun, N. V. Iftimia, R. D. Ferguson and D. X. Hammer, Rev. Sci. Instrum. 79, (2008).  Z. Hu and A. M. Rollins, Opt. Lett. 32, 3525 (2007).
Multi-frequency and multiple phase-shift sinusoidal fringe projection for 3D profilometry E. B. Li College of Precision Instrument and Optoelectronics Engineering, Tianjin Universit Tianjin 30007, P. R.

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