Abstract
The design and characterization of a near-IR Chirped Laser Dispersion Spectroscopy (CLaDS) sensor for atmospheric methane detection are reported. The near-IR CLaDS system exhibits the benefits of the prior mid-IR CLaDS systems implemented for open-path sensing while taking advantage of the robust fiber-optic components available in the near-IR. System noise, long-term stability, and comparison with existing technology for methane detection are presented.
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Acknowledgments
The authors would like to acknowledge financial support by the NSF CAREER award CMMI-0954897, NSF SECO award EEC-1128282, and by the NSF ERC MIRTHE (EEC-0540832). M.N. acknowledges support by the Foundation for Polish Science (Homing Plus award 2012-6/8, co-financed by the ERDF). Physical Sciences Inc. is acknowledged for providing a laser for this study.
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Nikodem, M., Plant, G., Sonnenfroh, D. et al. Open-path sensor for atmospheric methane based on chirped laser dispersion spectroscopy. Appl. Phys. B 119, 3–9 (2015). https://doi.org/10.1007/s00340-014-5938-3
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DOI: https://doi.org/10.1007/s00340-014-5938-3