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Sensors 2009, 9(7), 5649-5654; doi:10.3390/s90705649

High Temperature Long Period Grating Thermo-Mechanically Written

Photonics Engineering Group, University of Cantabria, Avda. de los Castros S/N, 39005 Santander, Spain
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Received: 22 June 2009 / Revised: 7 July 2009 / Accepted: 7 July 2009 / Published: 15 July 2009
(This article belongs to the Section Chemical Sensors)
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Abstract

An optical fiber transducer able to work in high temperature environments is experimentally demonstrated in the laboratory. It is based on a permanent long period grating (LPG) written using a new technique based on a thermo-mechanical approach. Device precision was experimentally checked by means of repetitive thermal cycles between 25 and 950 ºC. In addition device stability was assured by maintaining the temperature in steady state at 800 ºC during 23 hours. View Full-Text
Keywords: long period gratings; mechanical technique; fabrication; permanent LPG; high temperature sensor long period gratings; mechanical technique; fabrication; permanent LPG; high temperature sensor
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Lazaro, J.M.; Quintela, A.; Lopez-Higuera, J.M. High Temperature Long Period Grating Thermo-Mechanically Written. Sensors 2009, 9, 5649-5654.

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