Statistical Vertical Turbulence Profiles at the Canary Islands ...
Statistical Vertical Turbulence Profiles at the Canary Islands ...
Statistical Vertical Turbulence Profiles at the Canary Islands ...
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Definition of parameters for adaptive opticsr o=⎛⎜⎝16 .7 (cosλ2γ )−1∞2∫ CN0( h) dh⎞⎟⎠− 3 / 5Fried’s parameterOptimal number of sub-aperturesto evalu<strong>at</strong>e <strong>the</strong> wave-frontCoherence timeFrequency of evalu<strong>at</strong>ionΓo=0 .31⎡⎢⎢⎢⎢⎣∞∫0C2N∞( h∫oC) V2N(ro( hh ))5 /dh3dh⎤⎥⎥⎥⎥⎦3/5Isoplan<strong>at</strong>ic angleFoV correctedθo⎡−1114 .9 (cos γ )∞2 5 / 3= ⎢∫ C N ( h ) h dh⎢⎣λ0⎤⎥⎥⎦−3/ 5Optical <strong>Turbulence</strong>: Astronomy meets MeteorologyAlghero, Sardegna ___ September 2008
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