Tuneable L band multi-wavelength fiber laser using silicon wafers

Joanna Marshall; George Stewart; Gillian Whitenett; Brian Culshaw

doi:10.1117/12.624385

23 May 2005 Tuneable L band multi-wavelength fiber laser using silicon wafers

Joanna Marshall, George Stewart, Gillian Whitenett, Brian Culshaw

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.624385
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

Abstract

We discuss a continuous-wave (CW) multi-wavelength fibre laser operating in the L-band, which has applications to gas sensing. Multi-wavelength operation of between two to eight lasing peaks with a spacing of around 0.9nm between each peak was demonstrated by placing silicon wafers in a micro-optic cell in order to produce a Fabry-Perot effect. Tuning over a region of 1565 to 1595nm was done by adjustment of the attenuation within the laser cavity. For our system we are interested in wavelength tuning for the detection of gases such as Hydrogen Sulphide (H₂S) and Carbon Dioxide (CO₂).

Citation Download Citation

Joanna Marshall, George Stewart, Gillian Whitenett, and Brian Culshaw "Tuneable L band multi-wavelength fiber laser using silicon wafers", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.624385

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