FIELD: laser engineering; delivery of focused laser beam to using equipment.
SUBSTANCE: proposed device has optically coupled input and output axicones made in the form of coaxially disposed internal an peripheral conical reflecting surfaces. Internal conical reflecting surfaces of axicones are disposed on rod ends. Rod is coupled with peripheral conical reflecting surfaces of axicones through pylons. Device is provided with two flat reflecting members. Internal conical reflecting surfaces of axicones disposed on rod ends have axial cylindrical lobes whose diameters are comparable with that of focused laser beam focal spot and have opposing mirror bevels at ends optically coupled with focal spot of focused beam through flat reflecting members.
EFFECT: enhanced power density of focused beam.
2 cl, 2 dwg
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