The Optical Spectrograph and InfraRed Imager System (OSIRIS) was built in Canada in the late 1990s to fly on board the Swedish led Odin satellite. OSIRIS was designed to measure both atmospheric emissions that originate as the result of mesospheric photochemistry and spectrally dispersed limb scattered sunlight that carries with it the signatures of stratospheric and upper tropospheric composition. This instrument, designed and built by Routes Inc. in Ottawa with funding from the Canadian Space Agency, was launched in February, 2001 and is still in operation in late 2014 making world class radiance measurements from which climate quality data records that have proved extremely valuable for the study of ozone and the chemistry associated with its depletion due to chlorofluorocarbons and it subsequent increase as a result of the Montreal Protocol are derived.
This chapter details the novel OSIRIS optics as well as the electronic subsystems that were used. Also presented within this chapter are some example OSIRIS spectrograph measurements and a thorough discussion of calibration issues and their ongoing mitigation. The chapter ends with some OSIRIS science highlights that are a testament to the team of engineers and scientists involved in all aspects of OSIRIS from its inception, through the design and build phases as well as the commission and subsequent operation phases. OSIRIS continues to produce excellent results at the time of writing and there are no indications that this will change any time soon.
Optical Spectrograph and Infrared Imager System for Measurements of Atmospheric Composition and Emissions
Optical Payloads for Space Missions ; 677-699
2015-12-10
23 pages
Article/Chapter (Book)
Electronic Resource
English
Spectrograph , Odin , CCD , ozone , climate and stratosphere , OSIRIS
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