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Proceedings Paper

Measurement of atmospheric coherence length and isoplanatic angle
Author(s): Zhengfang Song; Gaochao Yang; Xiaochun Liu; Chengyu Fan
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Paper Abstract

The measuring principle and basic composition of the CLIAM (Coherence Length and Isoplanatic Angle Measurer) are presented and the results measured at Yunnan Observatory in Kunming are reported in this paper. The measured results are compared with the calculated values based on C2n altitude profile measured by using ballon-borne macrothermal probe. Finally, some factors, which could have an effect on measuring validity, are analyzed.

Paper Details

Date Published: 31 May 1994
PDF: 6 pages
Proc. SPIE 2201, Adaptive Optics in Astronomy, (31 May 1994); doi: 10.1117/12.176065
Show Author Affiliations
Zhengfang Song, Anhui Institute of Optics and Fine Mechanics (China)
Gaochao Yang, Anhui Institute of Optics and Fine Mechanics (China)
Xiaochun Liu, Anhui Institute of Optics and Fine Mechanics (China)
Chengyu Fan, Anhui Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 2201:
Adaptive Optics in Astronomy
Mark A. Ealey; Fritz Merkle, Editor(s)

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