Real-time image sharpening without adaptive optics by on-chip tracking

Gert Finger; Peter Biereichel; A. van Dijsseldonk; Manfred Meyer; Alan F. M. Moorwood

doi:10.1117/12.176738

1 June 1994 Real-time image sharpening without adaptive optics by on-chip tracking

Gert Finger, Peter Biereichel, A. van Dijsseldonk, Manfred Meyer, Alan F. M. Moorwood

Proceedings Volume 2198, Instrumentation in Astronomy VIII; (1994) https://doi.org/10.1117/12.176738
Event: 1994 Symposium on Astronomical Telescopes and Instrumentation for the 21st Century, 1994, Kailua, Kona, HI, United States

Abstract

A new non-destructive readout scheme for IR array detectors, which allows image sharpening by on chip tracking has been tested with the ESO IR array camera IRAC2. This camera is equipped with a large format NICMOS3 256*256 MCT array detector. The effect of the readout algorithm is equivalent to a first order wavefront correction of images degraded by atmospheric seeing. Correction is performed in real time for long on chip detector integrations. Results obtained at a 2.2 m telescope on the pre main sequence binary star S CrA, the Circinus galaxy and the cluster NGC3603 will be presented. Possible applications of this method at large 8 m telescopes will be discussed.

Citation Download Citation

Gert Finger, Peter Biereichel, A. van Dijsseldonk, Manfred Meyer, and Alan F. M. Moorwood "Real-time image sharpening without adaptive optics by on-chip tracking", Proc. SPIE 2198, Instrumentation in Astronomy VIII, (1 June 1994); https://doi.org/10.1117/12.176738

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