FIELD: lasers.
SUBSTANCE: invention relates to laser-jet technology and can be used for local laser processing. Laser-jet device with input of laser radiation into jet diaphragm comprises laser emitter of pulse-periodic mode, small-size mobile tool, including a jet beamguide forming assembly and a laser radiation input unit into a jet beamguide, a fiber-optic cable for delivering radiation from the laser to the mobile module, and a system for supplying the instrument with liquid. Emission of quartz fiber radiation into the jet beamguide is carried out without additional optical elements for focusing radiation in the jet as a result of direct transition from quartz to liquid, wherein the diameter of jet is 0.5–0.8 mm, pressure 3–4 bars, diameter of optical fiber shell is less than diameter of nozzle, free polished end of optical fiber is located on axis of jet and is raised above upper plane of nozzle.
EFFECT: technical result consists in simplification of design and reduction of its dimensions.
1 cl, 2 dwg
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