High Power Lasers For Materials Processing

Alberto Sona

doi:10.1117/12.950600

18 May 1989 High Power Lasers For Materials Processing

Alberto Sona

Proceedings Volume 1033, Trends in Quantum Electronics; (1989) https://doi.org/10.1117/12.950600
Event: International Conference on Trends in Quantum Electronics, 1988, Bucharest, Romania

Abstract

A rewiew is provided of the state of the art and perspectives of high average power lasers for materials processing. An analysis, of the present and projected performances and of the present and future technological requirements, is performed, with special attention to the solid state lasers (Nd-YAG or Glass) and to the gas lasers (CO₂ and Excimers) of industrial interest. Excitation of the active medium and heat removal techniques, time and space control of the emission, and beam transport problems are discussed and compared for the various types of lasers. The expected improvements in the excitation techniques of the active media, and in the resonators configuration are also outlined. New laser candidates for materials processing are evaluated and compared in perspective with the present ones. A brief survey of lasers used in micro processing, with special attention to the applications in microelectronics, is also presented.

Citation Download Citation

Alberto Sona "High Power Lasers For Materials Processing", Proc. SPIE 1033, Trends in Quantum Electronics, (18 May 1989); https://doi.org/10.1117/12.950600

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