FIELD: physics.
SUBSTANCE: optical laser head comprises outer and inner gas nozzles with channels for feeding active and protective gases, a focusing lens placed in the inner nozzle, through-holes on the lateral surface of the inner nozzle. The inner nozzle is a Laval-type nozzle. The focusing lens is based by its cylindrical surface on the cylindrical surface of the inner nozzle while allowing piston movement along an axis. The channel for feeding active gas into the inner nozzle is situated between the focusing lens and the Laval nozzle, and through-holes of the inner nozzle are situated above the lens.
EFFECT: high reliability of the structure and broader technical capabilities of the laser head.
2 cl, 2 dwg
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|---|---|---|---|
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RU2750387C1 |
