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Extrapolating HST Lessons to NGST

Richard G. Lyon, J.M. Hollis, John E. Dorband, and Timothy P. Murphy

TO CORRECT FOR PROBLEMS WITH THE ORIGINAL HST OPTICAL SYSTEM, NASA SCIENTISTS USED PHASE RETRIEVAL TECHNIQUES. HOW THAT WAS DONE AND HOW RESULTS FROM THIS RESEARCH LED TO NASA'S DECISION TO USE IT WITH NGST ARE DISCUSSED.

Publish Date: 01 July 1998