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1篇 您的检索式:作者名="HorstWeber"
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1Orbital angular momentum of the laser beam and the second order intensity moments显示文摘From the wave equation of a generalized beam the orbital angular momentum is studied. It is shown that the orbital angular momentum exists not only in the Laguerre-Gaussian beam, but in any beam with an angular-dependent structure. By calculating the second order intensity moments of the beam the relation between the orbital angular momentum and the second order moments 〈xθy〉, 〈yθx〉 is given. As an example the orbital angular momentum of the general astigmatic Gaussian beam is studied.高春清 魏光辉 HorstWeber 2000Science China Mathematics2000,43,12:6
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