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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Reid, Derryck
Heriot-Watt University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2013Two-photon laser-assisted device alteration in silicon integrated-circuitscitations
- 2011Ultrafast laser writing of optical waveguides in ceramic Ybcitations
- 2010Wavelength stabilization of a synchronously pumped optical parametric oscillatorcitations
- 2010Laser action from an ultrafast laser inscribed Nd-doped silicate glass waveguidecitations
- 2010Ultrafast laser inscribed Nd-doped silicate glass waveguide laser
- 2008Weak-guidance-theory review of dispersion and birefringence management by laser inscriptioncitations
- 2008Solid immersion lens applications for nanophotonic devicescitations
- 2008Mid-infrared gas sensing using a photonic bandgap fibercitations
- 2008Control of the carrier-envelope phases of a synchronously pumped femtosecond optical parametric oscillator and its applications
- 2006Internal gain from an erbium-doped oxyfluoride-silicate glass waveguide fabricated using femtosecond waveguide inscriptioncitations
- 2005Active waveguide fabrication in erbium-doped oxyfluoride silicate glass using femtosecond pulsescitations
Places of action
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article
Mid-infrared gas sensing using a photonic bandgap fiber
Abstract
<p>We demonstrate methane sensing based on Fourier transform infrared spectroscopy using a hollow-core photonic bandgap fiber guiding in the mid-infrared and idler pulses from a femtosecond optical parametric oscillator. Transmission measurements are presented for several fibers, and sensing is demonstrated using a fiber whose bandgap overlaps the methane fundamental absorption lines. The gas filling process of the air core is described, and qualitative methane concentrations measurements to 1000 ppm (parts in 10 <sup>6</sup>) are reported. Operation down to 50ppm based on our current experiment is predicted. © 2008 Optical Society of America.</p>