大气相干长度与等晕角的测量  

MEASUREMENT OF ATMOSPHERIC COHERENCE LENGTH AND ISOPLANATIC ANGLE

作　　者：杨高潮[1] 刘晓春[1] 范承玉[1] 宋正方[1] 

机构地区：[1]中国科学院安徽光机所

出　　处：《强激光与粒子束》1994年第2期215-220,共6页High Power Laser and Particle Beams

摘　　要：介绍了大气相干长度与等晕角测量仪的测量原理和仪器的基本结构，报告了在昆明凤凰山云南天文台进行测量的结果，测得的ｒ＿０平均值为１２４ｃｍ，θ＿０的平均值为１０．６μｒａｄ，与温度脉动探空仪的资料比较，证明所得结果是可靠的。最后对仪器可能存在的影响测量误差的一些因素进行了分析。The principle and basic composition ofatmospheric coherenee length and isoplanaticangle measurer are presented and the results measued,at Yunnan Observatory at Phoenix Hill inKunming are reported in this article. The average values of r_0 and θ_0 are 12.4cm and 10.6μradrespectively.The results are compared with the calculated results based on altitude distributiondata measured using ballon-borne macrothermal probe.This shows that the measured results arereliable.Finally,some factors,which could have an effect on correctness of the measurer,are ana-lysed.

关 键 词：大气相干长度 等晕角 自适应光学 

分 类 号：O437[机械工程—光学工程]