LED-based CO2 Sensor for Balloon Deployment

David Sonnenfroh; Krishnan Parameswaran

doi:10.1364/CLEO_SI.2011.CThT5

CLEO:2011 - Laser Applications to Photonic Applications
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper CThT5
•https://doi.org/10.1364/CLEO_SI.2011.CThT5

LED-based CO₂ Sensor for Balloon Deployment

David Sonnenfroh and Krishnan Parameswaran

CLEO: Science and Innovations 2011

Baltimore, Maryland United States
1–6 May 2011
ISBN: 978-1-55752-910-7

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Gas Phase Sensing I (CThT)

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D. Sonnenfroh and K. Parameswaran, "LED-based CO2 Sensor for Balloon Deployment," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper CThT5.

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Abstract

We are developing a sensor for monitoring ambient CO₂ from unmanned aircraft and balloons. The sensor consists of a mid-IR LED coupled with a high dynamic range gated integrator. The measurement precision is 0.4 ppmv at 30 seconds.

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