Abstract
Lidar signals were obtained for the first time in the near-infrared using the supercontinuum generated by the terawatt femtosecond laser of the Teramobile system. A signal up to 4 km in altitude, in the band 1–1.7 μm, was collected using a 2 m astronomical telescope. We observed a 10-fold enhancement of the infrared signal backscattered from the atmosphere compared with that expected using a previously measured laboratory spectrum. This suggests a more efficient frequency conversion into the infrared (typically 7% into the 1–1.5 μm band) under long-distance propagation conditions.
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42.65.Jx; 42.68.Wt; 42.65.Ky
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Méjean, G., Kasparian, J., Salmon, E. et al. Towards a supercontinuum-based infrared lidar. Appl Phys B 77, 357–359 (2003). https://doi.org/10.1007/s00340-003-1183-x
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DOI: https://doi.org/10.1007/s00340-003-1183-x