DocumentCode
15660
Title
First Demonstration of a 2- 
OTDR and Its Use in Photonic Bandgap 
Sensing Fiber
Author
Belal, Mohammad ; Petrovich, Marco ; Wheeler, Natalie ; Wooler, John ; Masoudi, Ali ; Poletti, Francesco ; Alam, Shaiful ; Richardson, David ; Newson, Trevor
Author_Institution
Optoelectron. Res. Centre, Univ. of Southampton, Southampton, UK
Volume
26
Issue
9
fYear
2014
fDate
1-May-14
Firstpage
889
Lastpage
892
Abstract
We report the first demonstration of an optical time domain reflectometer (OTDR) designed for the emerging wavelength band of 2 μm. A dynamic range of 30 dB with a spatial resolution of 5 m is achieved. The characterization of three different fibers using the 2-μm OTDR is described. Two solid core fibers (SMF with a cutoff at 1.7 μm and SMF 28e) have been probed to ascertain their transmission loss values, while measurements in a 19-cell hollow core photonic bandgap fiber show the presence of carbon dioxide gas in the fiber core and allow the contribution that it makes to the fiber loss to be quantified.
Keywords
carbon compounds; fibre optic sensors; gas sensors; optical design techniques; optical fibre losses; optical fibre testing; optical time-domain reflectometry; photonic band gap; 19-cell hollow core photonic bandgap fiber; CO2; OTDR; SMF; carbon dioxide gas; fiber loss; optical time domain reflectometer; photonic bandgap CO2 sensing fiber; solid core fibers; spatial resolution; transmission loss; wavelength 1.7 mum; wavelength 2 mum; wavelength band; Loss measurement; Optical fiber amplifiers; Optical fiber couplers; Optical fiber sensors; Optical pulses; Fiber optics; optical fiber sensors; optical fiber testing; optoelectronic and photonic sensors;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/LPT.2014.2309496
Filename
6754153
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