Gaussian beam diffraction in weakly anisotropic inhomogeneous media
Combination of quasi-isotropic approximation (QIA) of geometric optics with paraxial complex geometric optics (PCGO) is suggested, which allows describing both diffraction and polarization evolution of Gaussian electromagnetic beams in weakly anisotropic inhomogeneous media. Combination QIA/PCGO red...
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| Published in: | Physics letters. A Vol. 373; no. 33; pp. 2979 - 2983 |
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| Main Authors: | , , |
| Format: | Journal Article |
| Language: | English |
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Elsevier B.V
10-08-2009
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| Abstract | Combination of quasi-isotropic approximation (QIA) of geometric optics with paraxial complex geometric optics (PCGO) is suggested, which allows describing both diffraction and polarization evolution of Gaussian electromagnetic beams in weakly anisotropic inhomogeneous media. Combination QIA/PCGO reduces Maxwell equations to the system of the ordinary differential equations of the first order and radically simplifies solution of various problems, related to microwave plasma diagnostics, including plasma polarimetry, interferometry and refractometry in thermonuclear reactors. Efficiency of the method is demonstrated by the example of electromagnetic beam diffraction in a linear layer of magnetized plasma with parameters, modeling tokamak plasma in the project ITER. |
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| AbstractList | Combination of quasi-isotropic approximation (QIA) of geometric optics with paraxial complex geometric optics (PCGO) is suggested, which allows describing both diffraction and polarization evolution of Gaussian electromagnetic beams in weakly anisotropic inhomogeneous media. Combination QIA/PCGO reduces Maxwell equations to the system of the ordinary differential equations of the first order and radically simplifies solution of various problems, related to microwave plasma diagnostics, including plasma polarimetry, interferometry and refractometry in thermonuclear reactors. Efficiency of the method is demonstrated by the example of electromagnetic beam diffraction in a linear layer of magnetized plasma with parameters, modeling tokamak plasma in the project ITER. |
| Author | Bieg, B. Berczynski, P. Kravtsov, Yu.A. |
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| Cites_doi | 10.1007/s11200-007-0002-y 10.1364/JOSAA.24.003388 10.1016/j.physleta.2004.08.056 10.1088/0741-3335/41/2/001 10.1016/j.physleta.2007.03.055 10.1364/JOSAA.18.002601 10.1016/j.wavemoti.2003.12.012 10.1364/JOSAA.23.001442 10.1070/PU1996v039n02ABEH000131 |
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| References | Kravtsov, Bieg, Bliokh (bib013) 2007; 24 Berczynski, Kravtsov (bib008) 2004; 331 Ginzburg (bib016) 1970 Kravtsov (bib005) 2005 Czyz, Bieg, Kravtsov (bib014) 2007; 368 Berczynski, Bliokh, Kravtsov, Stateczny (bib009) 2006; 23 Kravtsov (bib001) 1969; 13 Kravtsov, Berczynski (bib010) 2007; 51 Kravtsov, Orlov (bib004) 1990 Luneburg (bib006) 1964 Born, Wolf (bib015) 1999 Babich, Buldyrev (bib012) 1990 Fuki, Kravtsov, Naida (bib003) 1997 Popov (bib011) 1969; 22 Kravtsov, Naida, Fuki (bib002) 1996; 39 Kravtsov, Berczynski (bib007) 2004; 40 Segre (bib017) 1999; 41 Segre (bib018) 2001; 18 Kravtsov (10.1016/j.physleta.2009.06.023_bib007) 2004; 40 Kravtsov (10.1016/j.physleta.2009.06.023_bib005) 2005 Berczynski (10.1016/j.physleta.2009.06.023_bib009) 2006; 23 Kravtsov (10.1016/j.physleta.2009.06.023_bib010) 2007; 51 Segre (10.1016/j.physleta.2009.06.023_bib018) 2001; 18 Fuki (10.1016/j.physleta.2009.06.023_bib003) 1997 Babich (10.1016/j.physleta.2009.06.023_bib012) 1990 Segre (10.1016/j.physleta.2009.06.023_bib017) 1999; 41 Kravtsov (10.1016/j.physleta.2009.06.023_bib013) 2007; 24 Kravtsov (10.1016/j.physleta.2009.06.023_bib004) 1990 Born (10.1016/j.physleta.2009.06.023_bib015) 1999 Ginzburg (10.1016/j.physleta.2009.06.023_bib016) 1970 Berczynski (10.1016/j.physleta.2009.06.023_bib008) 2004; 331 Kravtsov (10.1016/j.physleta.2009.06.023_bib001) 1969; 13 Czyz (10.1016/j.physleta.2009.06.023_bib014) 2007; 368 Popov (10.1016/j.physleta.2009.06.023_bib011) 1969; 22 Luneburg (10.1016/j.physleta.2009.06.023_bib006) 1964 Kravtsov (10.1016/j.physleta.2009.06.023_bib002) 1996; 39 |
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| Title | Gaussian beam diffraction in weakly anisotropic inhomogeneous media |
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