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21 November 2017 Comb-referenced ultra-high sensitivity spectroscopic molecular detection by compact non-linear sources
P. Cancio, G. Gagliardi, I. Galli, G. Giusfredi, P. Maddaloni, P. Malara, D. Mazzotti, P. De Natale
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Proceedings Volume 10567, International Conference on Space Optics — ICSO 2006; 105672Y (2017) https://doi.org/10.1117/12.2308163
Event: International Conference on Space Optics 2006, 2006, Noordwijk, Netherlands
Abstract
We present a new generation of compact and rugged mid-infrared (MIR) difference-frequency coherent radiation sources referenced to fiber-based optical frequency comb synthesizers (OFCSs). By coupling the MIR radiation to high-finesse optical cavities, high-resolution and high-sensitivity spectroscopy is demonstrated for CH4 and CO2 around 3.3 and 4.5 μm respectively. Finally, the most effective detection schemes for space-craft trace-gas monitoring applications are singled out.
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P. Cancio, G. Gagliardi, I. Galli, G. Giusfredi, P. Maddaloni, P. Malara, D. Mazzotti, and P. De Natale "Comb-referenced ultra-high sensitivity spectroscopic molecular detection by compact non-linear sources", Proc. SPIE 10567, International Conference on Space Optics — ICSO 2006, 105672Y (21 November 2017); https://doi.org/10.1117/12.2308163
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KEYWORDS
Spectroscopy
Crystals
Absorption
Mirrors
Molecular spectroscopy
Optical resonators
Laser sources
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