Fabrication of fiber gratings using a heating process

Lipin Chi; Wen-Fung Liu; K. H. Lin; Sheau-Shung Bor

doi:10.1117/1.1886825

1 April 2005 Fabrication of fiber gratings using a heating process

Lipin Chi, Wen-Fung Liu, K. H. Lin, Sheau-Shung Bor

Author Affiliations +

Optical Engineering, Vol. 44, Issue 4, 044402 (April 2005). https://doi.org/10.1117/1.1886825

Abstract

We demonstrate that a multichannel fiber grating can be fabricated using a heating method based on differences in the thermal expansion of the phase mask and the fiber. The separation between two neighboring channels in a multichannel grating can be precisely tuned by means of temperature control. A three-wavelength-channel equal-spacing grating is implemented under three different temperatures of 25, 160, and 300°C, respectively. In addition, a chirp fiber grating is manufactured, whereby the temperature gradient is adjusted to obtain an increased, adjustable bandwidth, which can be used in optical filter applications.

©(2005) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Lipin Chi, Wen-Fung Liu, K. H. Lin, and Sheau-Shung Bor "Fabrication of fiber gratings using a heating process," Optical Engineering 44(4), 044402 (1 April 2005). https://doi.org/10.1117/1.1886825

Published: 1 April 2005

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