Abstract

An imaging system using a 64-element array of PbS detectors has been successfully tested at Kitt Peak. The first images of the low contrast solar granulation at 1.65 μ have been obtained with a signal-to-noise ratio better than 200 and a resolution of the order of 1 see of arc. The problem of imaging systems for low contrast objects in the infrared is discussed.

© 1972 Optical Society of America

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