LOLS research in technology for the development and application of new fiber-based sensors

This paper presents the research made at the Laboratory of Optics, Lasers and Systems (LOLS) of the Faculty of Sciences of University of Lisbon, Portugal, in the field of fiber-based sensors. Three areas are considered: sensor encapsulation for natural aqueous environments, refractive index modulati...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2012-03, Vol.12 (3), p.2654-2666
Main Authors: Coelho, João, Nespereira, Marta, Silva, Catarina, Rebordão, José
Format: Article
Language:English
Subjects:
Aqueous environments
Design engineering
Encapsulation
fiber-based sensors
laser micropatterning
laser processing
Lasers
Micropatterning
Modulation
Nanosecond pulses
Optics
Radiation
refractive-index modulation
Salinity
Sensors
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Summary:This paper presents the research made at the Laboratory of Optics, Lasers and Systems (LOLS) of the Faculty of Sciences of University of Lisbon, Portugal, in the field of fiber-based sensors. Three areas are considered: sensor encapsulation for natural aqueous environments, refractive index modulation and laser micropatterning. We present the main conclusions on the issues and parameters to take in consideration for the encapsulation process and results of its design and application. Mid-infrared laser radiation was applied to produce long period fiber gratings and nanosecond pulses of near-infrared Q-switch laser were used for micropatterning.
ISSN:1424-8220
1424-8220
DOI:10.3390/s120302654