Journal
JOURNAL OF ATMOSPHERIC AND OCEANIC TECHNOLOGY
Volume 27, Issue 5, Pages 869-880Publisher
AMER METEOROLOGICAL SOC
DOI: 10.1175/2009JTECHA1362.1
Keywords
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Funding
- Office of Polar Programs (OPP)
- Directorate For Geosciences [0839017] Funding Source: National Science Foundation
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Recent advances in semiconductor materials and fabrication techniques have allowed the development of light-emitting diodes (LEDs) with wavelengths extending down into the UV-C region (lambda < 280 nm). A new ozone photometer has been developed utilizing these novel light sources. The application of solid-state technology to the proven dual-beam UV absorption technique has improved instrument performance while reducing power consumption and weight compared to existing instrumentation. The newly developed instrument is expected to have an accuracy of 1% at surface level pressure, a resolution better than 1 ppb, and measurement rates up to 1 Hz over the range of ozone mixing ratios encountered from the earth's surface to the middle stratosphere. Size, weight, and power consumption have also been significantly reduced, with a mass of 3 kg and a power consumption of less than 5 W. Initial development is focused on an instrument suitable for measurements from autonomous platforms and in harsh environments; however, the technology is highly adaptable to other applications.
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