Levelling the focal spot intensity of the focused gaussian beam |
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| Authors: | S N Khonina V V Kotlyar R V Skidanov V A Soifer |
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| Affiliation: | Image Processing Systems Institute, Russian Academy of Sciences , 151 Molodogvardejskaya, Samara, 443001, Russia |
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| Abstract: | Abstract It is experimentally and numerically shown that a simple binaryphase optical element can be used for levelling the light energy in the focal plane of the focused Gaussian beam, generating a square-shaped focal beam, and transforming the Gaussian beam into a uniform beam which preserves its radius at a definite length of its path. |
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