3 October 2006 Pulsed high-peak-power and single-frequency fibre laser design for LIDAR aircraft safety application
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Abstract
Laser wind velocimeters work by monitoring the Doppler shift induced on the backscattered light by aerosols that are present in the air. Recently there has been a growing interest in the scientific community for developing systems operating at wavelengths near 1.5 μm and based on all-fibre lasers configuration. In this paper, we propose a new all-fibre laser source that is suitable for Doppler velocimetry in aircraft safety applications. The all-fibre laser has been specifically conceived for aircraft safety application. Our prototype has a conveniently narrow linewidth (9 kHz) and is modulated and amplified through an all fibre Master Oscillator Power Amplifier (MOPA) configuration. According to the measurements, we performed the final characteristics of the laser consist in a maximum peak power of 2.7 kW and an energy of 27 μJ energy per pulses of 10 ns at 30 kHz repetition rate. The only limiting factor of these performances is the Stimulated Brillouin Scattering.
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Flavien Liégeois, Flavien Liégeois, Clément Vercambre, Clément Vercambre, Yves Hernandez, Yves Hernandez, Mohamed Salhi, Mohamed Salhi, Domenico Giannone, Domenico Giannone, } "Pulsed high-peak-power and single-frequency fibre laser design for LIDAR aircraft safety application", Proc. SPIE 6367, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing II, 63670H (3 October 2006); doi: 10.1117/12.688203; https://doi.org/10.1117/12.688203
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