Application Of A Silicon Photodiode Array For Solar Edge Tracking In The Halogen Occultation Experiment

L. E. Mauldin III; A. S. Moore; C. W. Stump; L. S. Mayo

doi:10.1117/12.950686

23 February 1985 Application Of A Silicon Photodiode Array For Solar Edge Tracking In The Halogen Occultation Experiment

L. E. Mauldin III, A. S. Moore, C. W. Stump, L. S. Mayo

Author Affiliations +

Proceedings Volume 0572, Infrared Technology XI; (1985) https://doi.org/10.1117/12.950686
Event: 29th Annual Technical Symposium, 1985, San Diego, United States

Abstract

The optical and electronic design of the Halogen Occultation Experiment (HALOE) elevation sunsensor is described. This system uses a Galilean telescope to form a Solar image on a linear silicon photodiode array. The array is a self-scanned, monolithic charge coupled device. The addresses of both Solar edges imaged on the array are used by the control/pointing system to scan the HALOE science instantaneous-field-of-view (IFOV) across the vertical Solar diameter during instrument calibration, and then maintain the science IFOV four arcmin below the top edge during the science data occultation event. Vertical resolution of 16 arcsec and a radiometric dynamic range of 100 are achieved at the 0.7 micrometer operating wavelength. The design provides for loss of individual photodiode elements without loss of angular tracking capability. The HALOE instrument is a gas correlation radiometer that is now being developed by NASA Langley Research Center for the Upper Atmospheric Research Satellite.

Citation Download Citation

L. E. Mauldin III, A. S. Moore, C. W. Stump, and L. S. Mayo "Application Of A Silicon Photodiode Array For Solar Edge Tracking In The Halogen Occultation Experiment", Proc. SPIE 0572, Infrared Technology XI, (23 February 1985); https://doi.org/10.1117/12.950686

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