Oxygen A-band spectrometer breadboard for the Orbiting Carbon Observatory

Robert E. Haring; Randy Pollock; Richard M. Cross; David Crisp

doi:10.1117/12.458143

18 December 2002 Oxygen A-band spectrometer breadboard for the Orbiting Carbon Observatory

Robert E. Haring, Randy Pollock, Richard M. Cross, David Crisp

Proceedings Volume 4818, Infrared Spaceborne Remote Sensing X; (2002) https://doi.org/10.1117/12.458143
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

The Oxygen A-band spectrometer breadboard was developed to demonstrate alignment and focus methodologies planned for the spectrometers to be used for the Orbiting Carbon Observatory (OCO). The OCO is a proposed Earth System Science Pathfinder (ESSP) mission to provide the first global CO₂ measurements from space with a relative accuracy of 1-ppm on scales of 2.5 × 10⁵ km². The flight system uses three refractive spectrometers to measure column CO₂ at 1.58 and 2.06-micrometers and column O₂ in the oxygen A-band at 0.76 micrometers. This paper describes a relatively fast, f/2, high resolution grating spectrometer breadboard designed, manufactured, and tested in less than 6 months. The breadboard successfully validates the optical design and alignment approach to be used for the three spectrometers that comprise the OCO instrument.

Citation Download Citation

Robert E. Haring, Randy Pollock, Richard M. Cross, and David Crisp "Oxygen A-band spectrometer breadboard for the Orbiting Carbon Observatory", Proc. SPIE 4818, Infrared Spaceborne Remote Sensing X, (18 December 2002); https://doi.org/10.1117/12.458143

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