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Influence of non-Kolmogorov atmospheric turbulence on the spectral changes of rectangular array beams.
- Source :
-
Optics & Laser Technology . Mar2015, Vol. 66, p52-57. 6p. - Publication Year :
- 2015
-
Abstract
- Based on the non-Kolmogorov spectrum, using the extended Huygens–Fresnel principle, the analytical expressions for the spectrum of the coherent and incoherent superpositions of rectangular array Gaussian Schell-model (RAGSM) beams propagating through non-Kolmogorov atmospheric turbulence are derived, and are used to study the influence of non-Kolmogorov atmospheric turbulence on spectral changes of coherent and incoherent superpositions RAGSM beams. It is shown that, with the increment of the general exponent α and the inner scale of turbulence l 0 , as well as the decrement of the general structure constant C ˜ n 2 , the magnitude of the spectral shift will increase, the magnitude of spectral transition will decrease and the critical position of spectral transition will decrease. The outer scale of turbulence L 0 has little effect on the spectral shift and spectral transition. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 00303992
- Volume :
- 66
- Database :
- Academic Search Index
- Journal :
- Optics & Laser Technology
- Publication Type :
- Academic Journal
- Accession number :
- 99067595
- Full Text :
- https://doi.org/10.1016/j.optlastec.2014.08.010