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Abstract
A new type of focusing is reported. For the first time, the lenses necessary to obtain the distributed focusing are described. The approximate calculation shows that this type of focusing can be useful in surgery, industry and information technology. There is only one type of distributed focusing at this moment, that is Bessel beam. In this type of beams, energy flux, excurrenting out of axicon, is distributed by a line segment. Power distribution by the line segment can be changed by varying the intensity profile of the incoming beam. Another way is presented in the paper. There are two types of laser scalpels (contact and non-contact ones), but this type of focusing can be used as a base for creating new types of laser scalpels with fundamentally new characteristics. Also this focusing can be applied to creation of more efficient laser cutters.
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