Speckle interferometry lens-atmosphere MTF measurements

Details Speckle interferometry lens-atmosphere MTF measurements Speckle interferometry lens-atmosphere MTF measurements

Nov 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976josa...66.1252k&link_type=abstract

Optical Society of America, Journal, vol. 66, Nov. 1976, p. 1252-1256.

Physics

Optics

14

Astronomical Photography, Interferometry, Modulation Transfer Function, Optical Data Processing, Photographic Recording, Speckle Patterns, Atmospheric Optics, Data Reduction, Digital Techniques, Optical Measurement, Stellar Spectrophotometry, Telescopes, Wave Fronts

Scientific paper

Measurements are presented of lens-atmosphere modulation transfer functions for short-exposure speckle imaging at the AMOS observatory in Maui, Hawaii. Star images were recorded with a video sensor system and processed digitally. Near-diffraction-limited modulation transfer functions were recorded and analyzed for a 122 cm aperture instrument during fair to poor seeing conditions. Mean values for the aperture wave-front correlation scale ranged between 4.1 and 6.4 cm. Total projected rms image wander ranged from 0.2 to 1.1 arcsec.

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