Magazine Article

Autonomous Phase Retrieval Calibration

TBMG-10138

06/01/2011

Abstract
Content

The Palomar Adaptive Optics System actively corrects for changing aberrations in light due to atmospheric turbulence. However, the underlying internal static error is unknown and uncorrected by this process. The dedicated wavefront sensor device necessarily lies along a different path than the science camera, and, therefore, doesn’t measure the true errors along the path leading to the final detected imagery. This is a standard problem in adaptive optics (AO) called “non-common path error.”

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Citation
"Autonomous Phase Retrieval Calibration," Mobility Engineering, June 1, 2011.
Additional Details
Publisher
Published
Jun 1, 2011
Product Code
TBMG-10138
Content Type
Magazine Article
Language
English