Micro-displacement or bending measurement using a long-period fibre grating in a self-referenced fibre optic intensity sensor

• Type: Article in International Scientific Journal
• Date: 2006

Authors

Baptista, JM (Author) Other; Santos, SF (Author) Other; Rego, G (Author) Other; Frazao, O (Author) Other; Santos, JL (Author) FCUP

Journal

Title: Optics Communications

Vol. 260

Pages: 8-11

ISSN: 0030-4018

Publisher: Elsevier

Indexing

ISI Web of Knowledge - 34 Citations

Scopus - 45 Citations

Scientific classification

FOS: Natural sciences > Physical sciences

Other information

Authenticus ID: P-004-MK1

DOI: 10.1016/j.optcom.2005.10.004

Abstract (EN): The measurement of micro-displacement or bending using a long-period fibre grating (LPG) in a self-referenced fibre optic intensity sensor is presented. The sensing head is based on a LPG whose attenuation peak changes as a function of its micro-displacement or bending and the fibre optic intensity sensor is referenced in frequency. Two other LPGs were used as rejection filters. located at the output of the optical source to shorten its spectral width. The implemented experimental set-up is described and, the results are presented being considered the measurement range and the intrinsic resolution.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 4