Abstract

In microband-induced fiber gratings, polarization properties and birefringence are investigated as a function of an applied line force. With the transmission curves associated with the maximum and minimum resonant wavelengths, the polarization-dependent behaviors are analyzed. By increasing the transverse line force, the resonance wavelength for an incident light polarized to the same direction of the force is blue-shifted as much as 0.69 nm/(N/cm) while that for the other polarization is insensitive. Using the resonant wavelength separation corresponding to the force variation, the transverse effective index change or modal birefringence variation is obtained. The ratio of modal birefringence versus applied line force is <TEX>${\Delta}B/{\Delta}f_x={\sim}8.38{\times}10^{-7}$</TEX>.

© 2006 Optical Society of Korea

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  1. J. K. Bae, S. H. Kim, J. H. Kim, J. Bae, S. S. Lee, and J-M. Jeong, "Spectral shape tunable band-rejection filter using a long period fiber grating with divided coil heaters," IEEE Photon. Technol. Lett., vol. 15, pp. 407-409, 2003
    [CrossRef]
  2. J-R Lee and Hiroshi Tsuda, "Fiber optic liquid leak detection technique with an ultrasonic actuator and a fiber bragg grating," Opt. Lett., vol. 30, pp. 3293-3295, 2005
    [CrossRef]
  3. K. R. Sohn and K. T. Kim, "Thermo-optically tunable band-rejection filters using mechanically formed long-period fiber gratings," Opt. Lett., vol. 30, pp. 2688-2690, 2005
    [CrossRef]
  4. S. T. Oh, W. T. Han, U. C. Paek, and Y. Chung, "Reduction of birefringence and polarization-dependent loss of long-period fiber gratings fabricated with a KrF excimer laser." Opt. Express, vol. 11, pp. 3087-3092, 2003
  5. O. V. Ivanov, "Wavelength shift and split of cladding mode resonances in microband long-period fiber gratings under torsion," Opt. Comm., 232, pp. 159-166, 2004
    [CrossRef]
  6. B. H. Lee, J. Cheong, and U-C. Paek, "Spectral polarization-dependent loss of cascaded long-period fiber gratings," Opt. Lett., vol. 27, pp. 1096-1098, 2002
    [CrossRef]
  7. B. L. Bachim and T. K. Gaylord, "Polarization-dependent loss and birefringence in long-period fiber gratings," Appl. Opt., vol. 42, pp. 6816-6823, 2003
    [CrossRef]
  8. J. Y. Cho, J. H. Lim, and K. S. Lee, "Optical fiber twist sensor with two orthogonally oriented mechanically induced long-period grating sensors," IEEE Photon. Technol. Lett., vol. 17, pp. 453-455, 2005
    [CrossRef]
  9. A. M. Smith, "Single-mode fiber pressure sensitivity," Electron. Lett., vol. 16, pp. 773-774, 1980
    [CrossRef]
  10. S. Savin, M. J. F. Digonnet, G. S. Kino, and H. J. Show, "Tunable mechanically induced long-period fiber gratings," Opt. Lett., vol. 25, pp. 710-712, 2000
    [CrossRef]

2005 (3)

J-R Lee and Hiroshi Tsuda, "Fiber optic liquid leak detection technique with an ultrasonic actuator and a fiber bragg grating," Opt. Lett., vol. 30, pp. 3293-3295, 2005
[CrossRef]

K. R. Sohn and K. T. Kim, "Thermo-optically tunable band-rejection filters using mechanically formed long-period fiber gratings," Opt. Lett., vol. 30, pp. 2688-2690, 2005
[CrossRef]

J. Y. Cho, J. H. Lim, and K. S. Lee, "Optical fiber twist sensor with two orthogonally oriented mechanically induced long-period grating sensors," IEEE Photon. Technol. Lett., vol. 17, pp. 453-455, 2005
[CrossRef]

2004 (1)

O. V. Ivanov, "Wavelength shift and split of cladding mode resonances in microband long-period fiber gratings under torsion," Opt. Comm., 232, pp. 159-166, 2004
[CrossRef]

2003 (3)

S. T. Oh, W. T. Han, U. C. Paek, and Y. Chung, "Reduction of birefringence and polarization-dependent loss of long-period fiber gratings fabricated with a KrF excimer laser." Opt. Express, vol. 11, pp. 3087-3092, 2003

J. K. Bae, S. H. Kim, J. H. Kim, J. Bae, S. S. Lee, and J-M. Jeong, "Spectral shape tunable band-rejection filter using a long period fiber grating with divided coil heaters," IEEE Photon. Technol. Lett., vol. 15, pp. 407-409, 2003
[CrossRef]

B. L. Bachim and T. K. Gaylord, "Polarization-dependent loss and birefringence in long-period fiber gratings," Appl. Opt., vol. 42, pp. 6816-6823, 2003
[CrossRef]

2002 (1)

B. H. Lee, J. Cheong, and U-C. Paek, "Spectral polarization-dependent loss of cascaded long-period fiber gratings," Opt. Lett., vol. 27, pp. 1096-1098, 2002
[CrossRef]

2000 (1)

S. Savin, M. J. F. Digonnet, G. S. Kino, and H. J. Show, "Tunable mechanically induced long-period fiber gratings," Opt. Lett., vol. 25, pp. 710-712, 2000
[CrossRef]

1980 (1)

A. M. Smith, "Single-mode fiber pressure sensitivity," Electron. Lett., vol. 16, pp. 773-774, 1980
[CrossRef]

Applied Optics (1)

B. L. Bachim and T. K. Gaylord, "Polarization-dependent loss and birefringence in long-period fiber gratings," Appl. Opt., vol. 42, pp. 6816-6823, 2003
[CrossRef]

Electronics Letters (1)

A. M. Smith, "Single-mode fiber pressure sensitivity," Electron. Lett., vol. 16, pp. 773-774, 1980
[CrossRef]

IEEE Photonics Technology Letters (2)

J. Y. Cho, J. H. Lim, and K. S. Lee, "Optical fiber twist sensor with two orthogonally oriented mechanically induced long-period grating sensors," IEEE Photon. Technol. Lett., vol. 17, pp. 453-455, 2005
[CrossRef]

J. K. Bae, S. H. Kim, J. H. Kim, J. Bae, S. S. Lee, and J-M. Jeong, "Spectral shape tunable band-rejection filter using a long period fiber grating with divided coil heaters," IEEE Photon. Technol. Lett., vol. 15, pp. 407-409, 2003
[CrossRef]

Optics Communications (1)

O. V. Ivanov, "Wavelength shift and split of cladding mode resonances in microband long-period fiber gratings under torsion," Opt. Comm., 232, pp. 159-166, 2004
[CrossRef]

Optics Express (1)

S. T. Oh, W. T. Han, U. C. Paek, and Y. Chung, "Reduction of birefringence and polarization-dependent loss of long-period fiber gratings fabricated with a KrF excimer laser." Opt. Express, vol. 11, pp. 3087-3092, 2003

Optics Letters (4)

B. H. Lee, J. Cheong, and U-C. Paek, "Spectral polarization-dependent loss of cascaded long-period fiber gratings," Opt. Lett., vol. 27, pp. 1096-1098, 2002
[CrossRef]

J-R Lee and Hiroshi Tsuda, "Fiber optic liquid leak detection technique with an ultrasonic actuator and a fiber bragg grating," Opt. Lett., vol. 30, pp. 3293-3295, 2005
[CrossRef]

K. R. Sohn and K. T. Kim, "Thermo-optically tunable band-rejection filters using mechanically formed long-period fiber gratings," Opt. Lett., vol. 30, pp. 2688-2690, 2005
[CrossRef]

S. Savin, M. J. F. Digonnet, G. S. Kino, and H. J. Show, "Tunable mechanically induced long-period fiber gratings," Opt. Lett., vol. 25, pp. 710-712, 2000
[CrossRef]

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