Fabrication tolerances in long-period fiber grating refractometric sensors

Alfredo Beltrán-Hernández; Sergei Khotiaintsev

doi:10.1117/12.2026839

20 May 2013 Fabrication tolerances in long-period fiber grating refractometric sensors

Alfredo Beltrán-Hernández, Sergei Khotiaintsev

Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 87941T (2013) https://doi.org/10.1117/12.2026839
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland

Abstract

This work focuses on the results and analyses performed on long-period optical-fiber gratings (LPFG) designed for use as refractometric sensors. The study was conducted with non-uniform LPFG specially designed for refractometric applications. First, LPFG transmission spectra were calculated for nominal period, propagation constant of the cladding mode and phase shift between the adjacent LPFG sections. Then, a random variation of the above parameters was introduced and the effect of this variation on the transmission spectrum of the LPFG, with the external refractive index as parameter, was evaluated. Finally, a change in the resonant wavelength against the external refractive index was investigated under random variation of parameters. We have found that in some long-period fiber grating refractometric sensors fabrication tolerances should as stringent as 0.2 % of nominal parameter. The methodology of tolerance analysis and quantitative data obtained in this work might be useful in establishing tolerances for fabrication parameters of long-period fiber grating refractometric sensors.

Citation Download Citation

Alfredo Beltrán-Hernández and Sergei Khotiaintsev "Fabrication tolerances in long-period fiber grating refractometric sensors", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87941T (20 May 2013); https://doi.org/10.1117/12.2026839

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available