Device for ablation of material by means of laser radiation

A device for the ablation of biological substances by laser radiation, especially for stomatologic treatment, comprises a pump laser and a laser converter for converting the pump laser radiation into a laser radiation having the wavelength range of 3 mum±0.2 mum, wherein the laser converter is accom...

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Bibliographische Detailangaben
Hauptverfasser:	POHL HANS-JOACHIM, STUPNIKOV VLADIMIR KONSTANTINOVICH, PETROVSKIY GURIY TIMOFEYEVICH, POKROVSKIY VASILIY PETROVICH, KORNEV ALEKSEY FYODOROVICH, NIKITICHEV ALEKSEY ALEKSEYEVICH, TKACHUK ALEKSANDRA MIKHAILOVNA, JEGOROV VALERIY JUREVICH, MIRONOV IGOR ALEXEJEVICH, SOMS LEONID NIKOLJEVICH, STEINER RUDOLF, REITEROV VLADIMIR MICHAILOVICH
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE BASIC ELECTRIC ELEMENTS CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DENTISTRY DEVICES USING STIMULATED EMISSION DIAGNOSIS ELECTRICITY HUMAN NECESSITIES HYGIENE IDENTIFICATION MACHINE TOOLS MEDICAL OR VETERINARY SCIENCE METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING SURGERY TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A device for the ablation of biological substances by laser radiation, especially for stomatologic treatment, comprises a pump laser and a laser converter for converting the pump laser radiation into a laser radiation having the wavelength range of 3 mum±0.2 mum, wherein the laser converter is accommodated in a treatment head which is separated from the pump laser by a fiber-optic device. There is provided in the laser converter a metal-holmium-fluoride crystal with an alkaline or alkaline-earth ion as metal ion with partial substitution of the holmium (Ho) ions, namely one of the following compounds: Me(Ho1-xPrx)F4 with a metal ion of lithium (Li) or sodium (Na), a fluorine ion, and with components of praseodymium of x=0.001 to 0.03, or Ba(Ho1-xPrx)2F8, where Ba is a barium ion, F is a fluorine ion, and with components of praseodymium of x=0.0005 to 0.015.