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Proceedings Paper

On-line diagnostic system for the quality of high-power CO2 laser optics
Author(s): Manfred Geiger; Joachim Hutfless
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Paper Abstract

This paper reports about a diagnostic system, which is used for monitoring the following quality characteristics of a high power CO2-laser optic during its operating time: the grade of absorption, surface pollution and defects, the local refractive power, and the focal length. First the efficiency of the system is demonstrated by fundamental experiments with an off-line setup. Then a concept for the on-line application is described in order to use the sensor together with beam steering modules in a closed loop control of the laser beam.

Paper Details

Date Published: 4 May 1993
PDF: 4 pages
Proc. SPIE 1810, 9th International Symposium on Gas Flow and Chemical Lasers, (4 May 1993); doi: 10.1117/12.144598
Show Author Affiliations
Manfred Geiger, Univ. Erlangen-Nuernberg (Germany)
Joachim Hutfless, Univ. Erlangen-Nuernberg (Germany)


Published in SPIE Proceedings Vol. 1810:
9th International Symposium on Gas Flow and Chemical Lasers

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