Calibration lamp design, characterization, and implementation for the Michelson Interferometer for Global High-Resolution Thermospheric Imaging instrument on the Ionospheric Connection satellite

Kenneth D. Marr; William H. Morrow; Charles M. Brown; Christoph R. Englert; John M. Harlander; Angel Cerrato; Kelvin Lamport; Stewart E. Harris

doi:10.1117/1.OE.58.5.054104

31 May 2019 Calibration lamp design, characterization, and implementation for the Michelson Interferometer for Global High-Resolution Thermospheric Imaging instrument on the Ionospheric Connection satellite

Kenneth D. Marr, William H. Morrow, Charles M. Brown, Christoph R. Englert, John M. Harlander, Angel Cerrato, Kelvin Lamport, Stewart E. Harris

Author Affiliations +

Optical Engineering, Vol. 58, Issue 5, 054104 (May 2019). https://doi.org/10.1117/1.OE.58.5.054104

Abstract

We describe the design and ground-based performance of the two-color calibration lamp for the Michelson Interferometer for Global High-Resolution Thermospheric Imaging (MIGHTI) instrument on the NASA Ionospheric Connection (ICON) satellite. The calibration lamp assembly contains radio frequency excited krypton and neon lamps, which generate emission lines at 557 and 630 nm, respectively, and which are used to monitor thermal drifts in the two MIGHTI Doppler asymmetric spatial heterodyne interferometers. The lamps are coupled to two mixed optical fiber bundles that deliver the calibration signals to the two MIGHTI optical units. The assembly starts reliably, consumes <8 W, and has passed environmental testing for the ICON satellite. The total mass of the lamp assembly is 1.8 kg. Special features of the assembly and its implementation are described along with results of life tests.

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Kenneth D. Marr, William H. Morrow, Charles M. Brown, Christoph R. Englert, John M. Harlander, Angel Cerrato, Kelvin Lamport, and Stewart E. Harris "Calibration lamp design, characterization, and implementation for the Michelson Interferometer for Global High-Resolution Thermospheric Imaging instrument on the Ionospheric Connection satellite," Optical Engineering 58(5), 054104 (31 May 2019). https://doi.org/10.1117/1.OE.58.5.054104

Received: 6 February 2019; Accepted: 25 April 2019; Published: 31 May 2019

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