Abstract

The transmission characteristics of multi-channel long period fiber gratings (LPFGs) in terms of the physical parameters like the separation distance, grating length and number of gratings will be discussed. Their transmission characteristics such as channel spacing, number of channels, loss peak depth, and channel bandwidth can be easily controlled by physical parameters. Based on the experimental results, their applications to optical multiwavelength Raman lasers and optical sensors will be investigated. A multiwavelength Raman fiber ring laser with 9 WDM channels with 100 ㎓ spacing and 19 channels with 50 ㎓ spacing using tunable multi-channel LPFGs will be experimentally demonstrated. The fiber-optic sensing applications with high resolution and sensitivity based on multi-channel LPFGs will be also presented.

© 2003 Optical Society of Korea

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    [CrossRef]
  4. X. J. Gu, “Wavelength-divisionmultiplexing isolation fiber filter and lightsource using cascaded long-period fiber gratings,” Opt. Lett., vol. 23, no. 7, pp. 509-510, 1998.
    [CrossRef]
  5. B. H. Lee and J. Nishii, “Dependence of Fringe Spacing on the Grating Separation in a Long-Period Fiber Grating Pair,” Appl. Opt., vol. 38, no. 16, pp. 3450-3459, 1999.
    [CrossRef]
  6. A. Bellemare, M. Karasek, M. Rochette, S. LaRochelle, and M. Tetu, “Room temperature multifrequency erbium-doped fiber lasers anchored on the ITU frequency grid,” J. Lightwave Technol., vol. 18, no. 6, pp. 825 - 831, 2000.
    [CrossRef]
  7. F. Koch, P. C. Reeves-Hall, S. V. Chernikov, and J. R. Taylor, “CW, multiple wavelength, room temperature, Raman fiber ring laser with external 19 channel, 10GHz pulse generation in a single electro-absorption modulator,” in Optical Fiber Communication Conference 2001, Optical Society of America, USA, WDD7, 2001.
    [CrossRef]

2001 (2)

C. Y. Lin, L. A. Wang, and G. W. Chern, “Corrugated Long-Period Fiber Gratings as Strain, Torsion, and Bending Sensors,” J. Lightwave Technol., vol. 19, no. 8, pp. 1159 - 1168, 2001.
[CrossRef]

F. Koch, P. C. Reeves-Hall, S. V. Chernikov, and J. R. Taylor, “CW, multiple wavelength, room temperature, Raman fiber ring laser with external 19 channel, 10GHz pulse generation in a single electro-absorption modulator,” in Optical Fiber Communication Conference 2001, Optical Society of America, USA, WDD7, 2001.
[CrossRef]

2000 (2)

A. Bellemare, M. Karasek, M. Rochette, S. LaRochelle, and M. Tetu, “Room temperature multifrequency erbium-doped fiber lasers anchored on the ITU frequency grid,” J. Lightwave Technol., vol. 18, no. 6, pp. 825 - 831, 2000.
[CrossRef]

Y. G. Han, C. S. Kim, U. C. Paek, and Y. Chung, “Performance enhancement of long-period fiber gratings for strain and temperature sensing,” IEICE Trans. Electron., vol. E-83C, no. 3, pp. 282-286, 2000.

1999 (1)

B. H. Lee and J. Nishii, “Dependence of Fringe Spacing on the Grating Separation in a Long-Period Fiber Grating Pair,” Appl. Opt., vol. 38, no. 16, pp. 3450-3459, 1999.
[CrossRef]

1998 (1)

X. J. Gu, “Wavelength-divisionmultiplexing isolation fiber filter and lightsource using cascaded long-period fiber gratings,” Opt. Lett., vol. 23, no. 7, pp. 509-510, 1998.
[CrossRef]

1995 (1)

A. M. Vengsarkar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, “Long-period fiber gratings as band-rejection filters,” in Optical Fiber Communication Conference " 95, Optical Society of America, USA, PD4-2, 1995.

Applied Optics (1)

B. H. Lee and J. Nishii, “Dependence of Fringe Spacing on the Grating Separation in a Long-Period Fiber Grating Pair,” Appl. Opt., vol. 38, no. 16, pp. 3450-3459, 1999.
[CrossRef]

IEICE Trans. Electron. (1)

Y. G. Han, C. S. Kim, U. C. Paek, and Y. Chung, “Performance enhancement of long-period fiber gratings for strain and temperature sensing,” IEICE Trans. Electron., vol. E-83C, no. 3, pp. 282-286, 2000.

Journal of Lightwave Technology (1)

C. Y. Lin, L. A. Wang, and G. W. Chern, “Corrugated Long-Period Fiber Gratings as Strain, Torsion, and Bending Sensors,” J. Lightwave Technol., vol. 19, no. 8, pp. 1159 - 1168, 2001.
[CrossRef]

Lightwave Technology, Journal of (1)

A. Bellemare, M. Karasek, M. Rochette, S. LaRochelle, and M. Tetu, “Room temperature multifrequency erbium-doped fiber lasers anchored on the ITU frequency grid,” J. Lightwave Technol., vol. 18, no. 6, pp. 825 - 831, 2000.
[CrossRef]

Optical Fiber Communication Conference ' 95 (1)

A. M. Vengsarkar, P. J. Lemaire, J. B. Judkins, V. Bhatia, T. Erdogan, and J. E. Sipe, “Long-period fiber gratings as band-rejection filters,” in Optical Fiber Communication Conference " 95, Optical Society of America, USA, PD4-2, 1995.

Optical Fiber Communication Conference and Exhibit, 2001. OFC 2001 (1)

F. Koch, P. C. Reeves-Hall, S. V. Chernikov, and J. R. Taylor, “CW, multiple wavelength, room temperature, Raman fiber ring laser with external 19 channel, 10GHz pulse generation in a single electro-absorption modulator,” in Optical Fiber Communication Conference 2001, Optical Society of America, USA, WDD7, 2001.
[CrossRef]

Optics Letters (1)

X. J. Gu, “Wavelength-divisionmultiplexing isolation fiber filter and lightsource using cascaded long-period fiber gratings,” Opt. Lett., vol. 23, no. 7, pp. 509-510, 1998.
[CrossRef]

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