T.-J. Ahn, S. Moon, Y. Youk, Y. Jung, K. Oh, and D. Kim, "New optical frequency domain differential mode delay measurement method for a multimode optical fiber," Opt. Express 13, 4005-4011 (2005), http://www.opticsinfobase.org/abstract.cfm?URI=oe-13-11-4005.

[CrossRef]
[PubMed]

T.-J. Ahn and D. Kim, "High-resolution differential mode delay measurement for a multimode optical fiber using a modified optical frequency domain reflectometer," Opt. Express 13, 8256-8262 (2005), http://www.opticsinfobase.org/abstract.cfm?URI=oe-13-20-8256.

[CrossRef]
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T.-J. Ahn, J. Y. Lee, and D. Y. Kim, "Suppression of nonlinear frequency sweep in an optical frequency-domain reflectometer by use of Hilbert transformation," Appl. Opt. 44, 7630-7634 (2005).

[CrossRef]
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N. Zou, M. Yoshida, Y. Namibhira, and H. Ito, "PMD measurement based on delayed self- heterodyne OFDR and experimental comparison with ITU-T round-robin measurements," Electron. Lett. 38, 115-116 (2002).

[CrossRef]

M. Yoshida, K. Nakamura, and H. Ito, "A new method for measurement of group velocity dispersion of optical fibers by using a frequency-shifted feedback fiber laser," IEEE Photon. Technol. Lett. 13, 227-229 (2001).

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R. Passy, N. Gisin, J. P. von der Weid, and H. H. Gilgen, "Experimental and theoretical investigations of coherent OFDR with semiconductor laser sources," J. Lightwave Technol. 12, 1622-1630 (1994).

[CrossRef]

U. Glombitza and E. Brinkmeyer, "Coherent frequency-domain reflectometry for characterization of single-mode integrated-optical waveguides," J. Lightwave Technol. 11, 1377-1384 (1993).

[CrossRef]

T.-J. Ahn, S. Moon, Y. Youk, Y. Jung, K. Oh, and D. Kim, "New optical frequency domain differential mode delay measurement method for a multimode optical fiber," Opt. Express 13, 4005-4011 (2005), http://www.opticsinfobase.org/abstract.cfm?URI=oe-13-11-4005.

[CrossRef]
[PubMed]

T.-J. Ahn and D. Kim, "High-resolution differential mode delay measurement for a multimode optical fiber using a modified optical frequency domain reflectometer," Opt. Express 13, 8256-8262 (2005), http://www.opticsinfobase.org/abstract.cfm?URI=oe-13-20-8256.

[CrossRef]
[PubMed]

T.-J. Ahn, J. Y. Lee, and D. Y. Kim, "Suppression of nonlinear frequency sweep in an optical frequency-domain reflectometer by use of Hilbert transformation," Appl. Opt. 44, 7630-7634 (2005).

[CrossRef]
[PubMed]

R. Bracewell, *The Fourier Transform and Its Applications* (McGraw-Hill, 1965).

U. Glombitza and E. Brinkmeyer, "Coherent frequency-domain reflectometry for characterization of single-mode integrated-optical waveguides," J. Lightwave Technol. 11, 1377-1384 (1993).

[CrossRef]

R. Passy, N. Gisin, J. P. von der Weid, and H. H. Gilgen, "Experimental and theoretical investigations of coherent OFDR with semiconductor laser sources," J. Lightwave Technol. 12, 1622-1630 (1994).

[CrossRef]

R. Passy, N. Gisin, J. P. von der Weid, and H. H. Gilgen, "Experimental and theoretical investigations of coherent OFDR with semiconductor laser sources," J. Lightwave Technol. 12, 1622-1630 (1994).

[CrossRef]

U. Glombitza and E. Brinkmeyer, "Coherent frequency-domain reflectometry for characterization of single-mode integrated-optical waveguides," J. Lightwave Technol. 11, 1377-1384 (1993).

[CrossRef]

N. Zou, M. Yoshida, Y. Namibhira, and H. Ito, "PMD measurement based on delayed self- heterodyne OFDR and experimental comparison with ITU-T round-robin measurements," Electron. Lett. 38, 115-116 (2002).

[CrossRef]

M. Yoshida, K. Nakamura, and H. Ito, "A new method for measurement of group velocity dispersion of optical fibers by using a frequency-shifted feedback fiber laser," IEEE Photon. Technol. Lett. 13, 227-229 (2001).

[CrossRef]

T.-J. Ahn, S. Moon, Y. Youk, Y. Jung, K. Oh, and D. Kim, "New optical frequency domain differential mode delay measurement method for a multimode optical fiber," Opt. Express 13, 4005-4011 (2005), http://www.opticsinfobase.org/abstract.cfm?URI=oe-13-11-4005.

[CrossRef]
[PubMed]

T.-J. Ahn and D. Kim, "High-resolution differential mode delay measurement for a multimode optical fiber using a modified optical frequency domain reflectometer," Opt. Express 13, 8256-8262 (2005), http://www.opticsinfobase.org/abstract.cfm?URI=oe-13-20-8256.

[CrossRef]
[PubMed]

M. Yoshida, K. Nakamura, and H. Ito, "A new method for measurement of group velocity dispersion of optical fibers by using a frequency-shifted feedback fiber laser," IEEE Photon. Technol. Lett. 13, 227-229 (2001).

[CrossRef]

N. Zou, M. Yoshida, Y. Namibhira, and H. Ito, "PMD measurement based on delayed self- heterodyne OFDR and experimental comparison with ITU-T round-robin measurements," Electron. Lett. 38, 115-116 (2002).

[CrossRef]

R. Passy, N. Gisin, J. P. von der Weid, and H. H. Gilgen, "Experimental and theoretical investigations of coherent OFDR with semiconductor laser sources," J. Lightwave Technol. 12, 1622-1630 (1994).

[CrossRef]

R. Passy, N. Gisin, J. P. von der Weid, and H. H. Gilgen, "Experimental and theoretical investigations of coherent OFDR with semiconductor laser sources," J. Lightwave Technol. 12, 1622-1630 (1994).

[CrossRef]

N. Zou, M. Yoshida, Y. Namibhira, and H. Ito, "PMD measurement based on delayed self- heterodyne OFDR and experimental comparison with ITU-T round-robin measurements," Electron. Lett. 38, 115-116 (2002).

[CrossRef]

M. Yoshida, K. Nakamura, and H. Ito, "A new method for measurement of group velocity dispersion of optical fibers by using a frequency-shifted feedback fiber laser," IEEE Photon. Technol. Lett. 13, 227-229 (2001).

[CrossRef]

N. Zou, M. Yoshida, Y. Namibhira, and H. Ito, "PMD measurement based on delayed self- heterodyne OFDR and experimental comparison with ITU-T round-robin measurements," Electron. Lett. 38, 115-116 (2002).

[CrossRef]

N. Zou, M. Yoshida, Y. Namibhira, and H. Ito, "PMD measurement based on delayed self- heterodyne OFDR and experimental comparison with ITU-T round-robin measurements," Electron. Lett. 38, 115-116 (2002).

[CrossRef]

M. Yoshida, K. Nakamura, and H. Ito, "A new method for measurement of group velocity dispersion of optical fibers by using a frequency-shifted feedback fiber laser," IEEE Photon. Technol. Lett. 13, 227-229 (2001).

[CrossRef]

R. Passy, N. Gisin, J. P. von der Weid, and H. H. Gilgen, "Experimental and theoretical investigations of coherent OFDR with semiconductor laser sources," J. Lightwave Technol. 12, 1622-1630 (1994).

[CrossRef]

U. Glombitza and E. Brinkmeyer, "Coherent frequency-domain reflectometry for characterization of single-mode integrated-optical waveguides," J. Lightwave Technol. 11, 1377-1384 (1993).

[CrossRef]

S. H. Yun, G. J. Tearney, J. F. de Boer, N. Iftimia, and B. E. Bouma, "High-speed optical frequency-domain imaging," Opt. Express 11, 2953-2963 (2003).

[CrossRef]
[PubMed]

T.-J. Ahn, S. Moon, Y. Youk, Y. Jung, K. Oh, and D. Kim, "New optical frequency domain differential mode delay measurement method for a multimode optical fiber," Opt. Express 13, 4005-4011 (2005), http://www.opticsinfobase.org/abstract.cfm?URI=oe-13-11-4005.

[CrossRef]
[PubMed]

T.-J. Ahn and D. Kim, "High-resolution differential mode delay measurement for a multimode optical fiber using a modified optical frequency domain reflectometer," Opt. Express 13, 8256-8262 (2005), http://www.opticsinfobase.org/abstract.cfm?URI=oe-13-20-8256.

[CrossRef]
[PubMed]

R. Bracewell, *The Fourier Transform and Its Applications* (McGraw-Hill, 1965).

"Hilbert transform," Wikipedia, (2005), Answers.com (28 July 2006), http://www.answers.com/topic/hilbert-transform.

"Continuous Fourier transform," Wikipedia, (2005), Answers.com (28 July 2006), http://www.answers.com/topic/continuous-fourier-transform.