Space object identification using phase-diverse speckle

John H. Seldin; Michael F. Reiley; Richard G. Paxman; Bruce E. Stribling; Brent L. Ellerbroek; Dustin C. Johnston

doi:10.1117/12.292817

31 October 1997 Space object identification using phase-diverse speckle

John H. Seldin, Michael F. Reiley, Richard G. Paxman, Bruce E. Stribling, Brent L. Ellerbroek, Dustin C. Johnston

Proceedings Volume 3170, Image Reconstruction and Restoration II; (1997) https://doi.org/10.1117/12.292817
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

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.

Citation Download Citation

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

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