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Air Max Thea Black And White dealing with the flat topped light beams
There are strong arguments, on efficiency and equity grounds, for extending the use of loans as a way of financing higher education in developing countries, but little practical information is available about how to design a student loan programme. Air Max Thea Black And White This paper examines experience in both developed and Buy Air Force 1 developing countries in order to provide guidance for developing countries on such issues as size of loans, eligibility criteria and repayment terms. Experience suggests that student loans are feasible but that the benefits of introducing loans may be more modest than advocates sometimes suggest. In an earlier paper dealing with the flat-topped light beams [Y. Li, Opt. Lett. 27 (2002) 1007], it is shown that the flat-topped beams can be expressed as 1 − [1 − exp(−ξ2)]M, where ξ is a dimensionless parameter and M is a non-negative number. The binomial expansion of this express contains only lowest-order Gaussian modes; this situation makes it possible to develop a new formulation of diffraction of converging spherical wave at an aperture in a plane opaque screen if the Gaussian mode expansion is employed to describe the boundary values of the screen.