Long-period fiber gratings with overlay of variable refractive index

Ignacio Del Villar; Ignacio R. Matias; Francisco J. Arregui

doi:10.1109/LPT.2005.853283

Long-period fiber gratings with overlay of variable refractive index

Ignacio Del Villar^*
, Ignacio R. Matias
, Francisco J. Arregui

^*Corresponding author for this work

Public University of Navarre

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

A theoretical analysis is presented of a long-period fiber grating (LPFG) with an overlay of variable refractive index. The highest sensitivity of the resonance wavelengths to variations in the refractive index of the overlay can be optimized. There are two key points for a good design: the selection of an overlay refractive index close to that of the cladding of the LPFG and the overlay thickness. The problem is analyzed with a numerical method based on coupled-mode theory.

Original language	English
Pages (from-to)	1893-1895
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	17
Issue number	9
DOIs	https://doi.org/10.1109/LPT.2005.853283
Publication status	Published - Sept 2005
Externally published	Yes

Keywords

Coupled-mode analysis
Gratings
Optical fiber sensors
Thin films

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10.1109/LPT.2005.853283

Cite this

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abstract = "A theoretical analysis is presented of a long-period fiber grating (LPFG) with an overlay of variable refractive index. The highest sensitivity of the resonance wavelengths to variations in the refractive index of the overlay can be optimized. There are two key points for a good design: the selection of an overlay refractive index close to that of the cladding of the LPFG and the overlay thickness. The problem is analyzed with a numerical method based on coupled-mode theory.",

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author = "\{Del Villar\}, Ignacio and Matias, \{Ignacio R.\} and Arregui, \{Francisco J.\}",

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AU - Matias, Ignacio R.

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N2 - A theoretical analysis is presented of a long-period fiber grating (LPFG) with an overlay of variable refractive index. The highest sensitivity of the resonance wavelengths to variations in the refractive index of the overlay can be optimized. There are two key points for a good design: the selection of an overlay refractive index close to that of the cladding of the LPFG and the overlay thickness. The problem is analyzed with a numerical method based on coupled-mode theory.

AB - A theoretical analysis is presented of a long-period fiber grating (LPFG) with an overlay of variable refractive index. The highest sensitivity of the resonance wavelengths to variations in the refractive index of the overlay can be optimized. There are two key points for a good design: the selection of an overlay refractive index close to that of the cladding of the LPFG and the overlay thickness. The problem is analyzed with a numerical method based on coupled-mode theory.

KW - Coupled-mode analysis

KW - Gratings

KW - Optical fiber sensors

KW - Thin films

UR - https://www.scopus.com/pages/publications/27144451958

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ER -

Long-period fiber gratings with overlay of variable refractive index

Abstract

Keywords

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