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Proceedings Paper

Repeatability analysis on LPFGs written by a CO2 laser
Author(s): Marta Nespereira; D. Castro Alves; João M. P. Coelho; Fernando Monteiro; Manuel Abreu; J. M. Rebordão
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Paper Abstract

The physical mechanisms involved in the writing process of long period fiber gratings (LPFG) using mid-infrared radiation emitted by CO2 lasers limit the obtained characteristics, in particular the minimum period that can be achieved. In order to evaluate the performances of a new methodology developed by us, we analyzed its capability to produce gratings with different periods (from 600 μm down to 300 μm). We also present a repeatability study on the obtained LPFG characteristics (mainly the resonant wavelength and grating length) for several values of the repetition period.

Paper Details

Date Published: 22 August 2014
PDF: 5 pages
Proc. SPIE 9286, Second International Conference on Applications of Optics and Photonics, 92863W (22 August 2014); doi: 10.1117/12.2063543
Show Author Affiliations
Marta Nespereira, Univ. de Lisboa (Portugal)
D. Castro Alves, Univ. de Lisboa (Portugal)
João M. P. Coelho, Univ. de Lisboa (Portugal)
Fernando Monteiro, Univ. de Lisboa (Portugal)
Manuel Abreu, Univ. de Lisboa (Portugal)
J. M. Rebordão, Univ. de Lisboa (Portugal)


Published in SPIE Proceedings Vol. 9286:
Second International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. Martins Costa; Rogério Nunes Nogueira, Editor(s)

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