A new high speed two-dimensional CCD atmospheric turbulence monitor

Details A new high speed two-dimensional CCD atmospheric turbulence monitor A new high speed two-dimensional CCD atmospheric turbulence monitor

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988spie..926..335w&link_type=abstract

IN: Optical, infrared, and millimeter wave propagation engineering; Proceedings of the Meeting, Orlando, FL, Apr. 5-7, 1988 (A89

Astronomy and Astrophysics

Astronomy

3

Atmospheric Turbulence, Charge Coupled Devices, Turbulence Meters, Astronomical Photography, Image Processing, Image Resolution, Star Trackers

Scientific paper

A new atmospheric monitor is described which uses relative motion between dual images of a single star, formed by two subapertures of a Schmidt-Cassegrain telescope, to calculate Freid's atmospheric seeing parameter. Dual images are formed on a two-dimensional CCD array, and intensity at each pixel location is digitized for calculations by the host computer. The system is portable, compact, and capable of returning values of Fried's parameter within one minute of data capture. The modular design provides highly flexible control over measurement parameters as well as a cost-effective means for adapting this equipment to future research needs.

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