The application of an unstable resonator to a high-pressure CW CO2 laser

Unstable resonators provide high quality beams of high output power needed for material processing. A CO2 laser of over 5 kW has been developed for material processing with an unstable resonator of positive confocal configuration under high-pressure, sealed conditions. High quality beams with high e...

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Veröffentlicht in:	Optics and lasers in engineering 1985, Vol.6 (1), p.11-23
Hauptverfasser:	MYOI, Y, HISHII, M, YOSHIDA, H, NAGAI, H, TABATA, N
Format:	Artikel
Sprache:	eng
Schlagworte:	Exact sciences and technology Fundamental areas of phenomenology (including applications) Gas lasers including excimer and metal-vapor lasers Lasers Optics Physics
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Unstable resonators provide high quality beams of high output power needed for material processing. A CO2 laser of over 5 kW has been developed for material processing with an unstable resonator of positive confocal configuration under high-pressure, sealed conditions. High quality beams with high extraction efficiency of the power were obtained, and deep penetration was attained in welding tests.
ISSN:	0143-8166
DOI:	10.1016/0143-8166(85)90010-7