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4 May 1993 On-line diagnostic system for the quality of high-power CO2 laser optics
Manfred Geiger; Joachim Hutfless
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Proceedings Volume 1810, 9th International Symposium on Gas Flow and Chemical Lasers; (1993) https://doi.org/10.1117/12.144598
Event: Ninth International Symposium on Gas Flow and Chemical Lasers, 1992, Heraklion, Greece
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.
© (1993) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Manfred Geiger and Joachim Hutfless "On-line diagnostic system for the quality of high-power CO2 laser optics", Proc. SPIE 1810, 9th International Symposium on Gas Flow and Chemical Lasers, (4 May 1993); https://doi.org/10.1117/12.144598
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