The Johns Hopkins University adaptive optics program

Details The Johns Hopkins University adaptive optics program The Johns Hopkins University adaptive optics program

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1114...97d&link_type=abstract

IN: Active telescope systems; Proceedings of the Meeting, Orlando, FL, Mar. 28-31, 1989 (A90-30852 12-74). Bellingham, WA, Socie

Physics

Optics

7

Adaptive Optics, Atmospheric Correction, Image Motion Compensation, Seeing (Astronomy), Telescopes, Wave Front Deformation

Scientific paper

An astronomical instrumentation adaptive-optics development program is discussed which has proceeded evolutionarily from the simplest adaptive-optics element function, namely wavefront-tilt correction, to the design and construction of a stellar coronagraph that will be able to fully exploit the eventual availability of higher-resolution images. The wavefront tilt-correcting coronagraph encompasses an adaptive optical system which measures and corrects image distortion, and a stellar coronograph, which rejects light from a given bright star in order to search for faint emission in the circumstellar region. The instrument is constructed in a way that will permit corrections for higher-order distortions to be incorporated during subsequent development stages.

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