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Proceedings Article

Space object identification using phase-diverse speckle

[+] Author Affiliations
John H. Seldin, Michael F. Reiley, Richard G. Paxman

Environmental Research Institute of Michigan International, Inc. (USA)

Bruce E. Stribling

Air Force Maui Optical Station (USA)

Brent L. Ellerbroek, Dustin C. Johnston

Air Force Phillips Lab. (USA)

Proc. SPIE 3170, Image Reconstruction and Restoration II, 2 (October 31, 1997); doi:10.1117/12.292817
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From Conference Volume 3170

  • Image Reconstruction and Restoration II
  • Timothy J. Schulz
  • San Diego, CA | July 27, 1997


Space-object identification from ground-based telescopes is challenging because of the degradation in resolution arising from atmospheric turbulence. Phase-diverse speckle is a novel post-detection correction method that can be used to overcome turbulence-induced aberrations for telescopes with or without adaptive optics. We present a simulation study of phase-diverse speckle satellite reconstructions for the Air Force Maui Optical station 1.6-meter telescope. For a given turbulence strength, satellite reconstruction fidelity is evaluated as a function of quality and quantity of data. The credibility of this study is enhanced by reconstructions from actual compensated data collected wit the 1.5-meter telescope at the Starfire Optical Range. Consistent details observed across a time series of reconstructions from a portion of a satellite pass enhance the authenticity of these features. We conclude that phase-diverse speckle can restore fine-resolution features not apparent in the raw aberrated images of space objects.

© (1997) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

John H. Seldin ; Michael F. Reiley ; Richard G. Paxman ; Bruce E. Stribling ; Brent L. Ellerbroek, et al.
"Space object identification using phase-diverse speckle", Proc. SPIE 3170, Image Reconstruction and Restoration II, 2 (October 31, 1997); doi:10.1117/12.292817; http://dx.doi.org/10.1117/12.292817

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