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

Coelho J, Nespereira M, Silva C, Rebordão J - Sensors (Basel) (2012)

Bottom Line: 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.

View Article: PubMed Central - PubMed

Affiliation: Department of Physics, Faculty of Sciences, University of Lisbon, Lisboa, Portugal. joao.coelho@fc.ul.pt

ABSTRACT
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.

No MeSH data available.


Example of a hole opened on top of a Corning SMF-28 fiber by multiple-pulse irradiation with a focused NIR laser beam. (a) Front and (b) lateral views taken with an optical microscope. (20 pulses with 3 mJ/pulse).
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f10-sensors-12-02654: Example of a hole opened on top of a Corning SMF-28 fiber by multiple-pulse irradiation with a focused NIR laser beam. (a) Front and (b) lateral views taken with an optical microscope. (20 pulses with 3 mJ/pulse).

Mentions: In Figure 10 we show an example of a hole opened on top of a Corning SMF-28 fiber. In this case, 20 laser pulses were applied, each with about 2 mJ energy corresponding to a fluence of about 8 mJ/cm2.


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

Coelho J, Nespereira M, Silva C, Rebordão J - Sensors (Basel) (2012)

Example of a hole opened on top of a Corning SMF-28 fiber by multiple-pulse irradiation with a focused NIR laser beam. (a) Front and (b) lateral views taken with an optical microscope. (20 pulses with 3 mJ/pulse).
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3376623&req=5

f10-sensors-12-02654: Example of a hole opened on top of a Corning SMF-28 fiber by multiple-pulse irradiation with a focused NIR laser beam. (a) Front and (b) lateral views taken with an optical microscope. (20 pulses with 3 mJ/pulse).
Mentions: In Figure 10 we show an example of a hole opened on top of a Corning SMF-28 fiber. In this case, 20 laser pulses were applied, each with about 2 mJ energy corresponding to a fluence of about 8 mJ/cm2.

Bottom Line: 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.

View Article: PubMed Central - PubMed

Affiliation: Department of Physics, Faculty of Sciences, University of Lisbon, Lisboa, Portugal. joao.coelho@fc.ul.pt

ABSTRACT
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.

No MeSH data available.