科研之友
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摘要
The behavior of spatial correlation singularities suggests a possible method for measuring atmospheric turbulence strength with a vortex beam. The refractive index structure constant C(n)(2) can be obtained by measuring the radius of a ring dislocation of a vortex beam which has passed through atmospheric turbulence. An approximate analytic expression for the radius of a ring dislocation as a function of C(n)(2) has been derived, and its accuracy is verified by numerical examples.
- 出版日期2010-4-1
