Laser radiation is used in such contemporary medicine as: sport medicine, gynecology etc. Because of many radiations inside the system, there is a need of an element, which allows to supply the place of illness with energy. The dimensions of this element are often small and the one that meets these conditions is diffuser.
The numerical analysis of the efficiency of the side pumping method using special asymmetrical couplers for the high-power double-clad fiber lasers is presented in the paper.
A method of pumping lasers built on the basis of double-clad neodymium-ion doped fibers is presented in the paper. Couplings were realized by asymmetrical couplers built with a multimode PCS (pumping) fiber and a double-clad (pumped) fiber. Special software for designing such asymmetrical couplers was elaborated. It allows us to choose appropriate parameters of the coupler's components, enabling to obtain a maximum pumping power, introduced by the purpose-built coupler.
The treatment method presented in this paper is an adjunct to coronary angioplasty. It consists in irradiating a previously dilated artery with laser light which stimulates endothelium proliferation and reduces local inflammation. The influence of 808 nm laser light on the endothelium was studied in vitro. Because of the location of atherosclerotic plaques, illumination of the endothelium poses a problem. To overcome it, we have designed and built a laser set-up for homogeneous intravascular illumination in vivo.
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