EFFECTS OF SATURATION ON THE OPTICAL SCINTILLOMETER

被引:26
作者
FREHLICH, RG [1 ]
OCHS, GR [1 ]
机构
[1] NOAA,WAVE PROPAGAT LAB,BOULDER,CO 80303
来源
APPLIED OPTICS | 1990年 / 29卷 / 04期
关键词
D O I
10.1364/AO.29.000548
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Measurements of the level of turbulence C2 have been successfully performed with the optical scintillometer. The success of this instrument is based on the observed fact that the variance of aperture averaged scintillation is described by weak scattering theory even for conditions in which strong scintillation is observed for point detectors. However, for sufficiently long propagation paths, the aperture averaged variance is affected by strong scattering. The effects of strong scattering are calculated theoretically and compared to experimental results. The physics of this regime are discussed and the important parameters investigated. The new range of validity of the optical scintillometer is discussed. © 1990 Optical Society of America.
引用
收藏
页码:548 / 553
页数:6
相关论文
共 17 条
[1]   PROBABILITY DENSITY OF IRRADIANCE SCINTILLATIONS FOR STRONG PATH-INTEGRATED REFRACTIVE TURBULENCE [J].
CHURNSIDE, JH ;
HILL, RJ .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, 1987, 4 (04) :727-733
[2]   SATURATION OF OPTICAL SCINTILLATION BY STRONG TURBULENCE [J].
CLIFFORD, SF ;
OCHS, GR ;
LAWRENCE, RS .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA, 1974, 64 (02) :148-154
[3]   SCINTILLATION FROM EXTENDED INCOHERENT SOURCES [J].
CODONA, JL ;
FREHLICH, RG .
RADIO SCIENCE, 1987, 22 (04) :469-480
[4]   MOMENT-EQUATION AND PATH-INTEGRAL TECHNIQUES FOR WAVE-PROPAGATION IN RANDOM-MEDIA [J].
CODONA, JL ;
CREAMER, DB ;
FLATTE, SM ;
FREHLICH, RG ;
HENYEY, FS .
JOURNAL OF MATHEMATICAL PHYSICS, 1986, 27 (01) :171-177
[5]   LOG-AMPLITUDE COVARIANCE FOR WAVES PROPAGATING THROUGH VERY STRONG TURBULENCE [J].
FREHLICH, RG ;
WANDZURA, SM ;
HILL, RJ .
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION, 1987, 4 (11) :2158-2161
[6]   MEASURED STATISTICS OF LASER-BEAM SCINTILLATION IN STRONG REFRACTIVE TURBULENCE RELEVANT TO EYE SAFETY [J].
HILL, RJ ;
CHURNSIDE, JH ;
SLINEY, DH .
HEALTH PHYSICS, 1987, 53 (06) :639-647
[7]   SATURATION RESISTANCE AND INNER-SCALE RESISTANCE OF A LARGE-APERTURE SCINTILLOMETER - A CASE-STUDY [J].
HILL, RJ .
APPLIED OPTICS, 1981, 20 (22) :3822-3824
[8]   MODELS OF SCALAR SPECTRUM FOR TURBULENT ADVECTION [J].
HILL, RJ .
JOURNAL OF FLUID MECHANICS, 1978, 88 (OCT) :541-562
[9]   FINE CALIBRATION OF LARGE-APERTURE OPTICAL SCINTILLOMETERS AND AN OPTICAL ESTIMATE OF INNER SCALE OF TURBULENCE [J].
HILL, RJ ;
OCHS, GR .
APPLIED OPTICS, 1978, 17 (22) :3608-3612
[10]  
OCHS GR, 1981, P SOC PHOTO-OPT INST, V277, P2