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Photonics in materials processing with laser radiation.

Lichtquanten -Photonen- in der Materialbearbeitung mit Laserstrahlung
 
: Gasser, A.; Wissenbach, K.; Kreutz, E.W.

Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
High power lasers and laser machining technology
Bellingham/Wash., 1989 (SPIE Proceedings Series 1132)
ISBN: 0-8194-0168-4
European Congress on Optics (ECO) <2, 1989, Paris>
English
Conference Paper
Fraunhofer ILT ()
adaptive process control; adaptive Prozeßkontrolle; closed feedback; diffraction; Diffraktion; photonic tool; photonisches Werkzeug; Qualitätssicherung; quality assurance; Rückkopplung; spectroscopy; Spektroskopie; Thermographie; thermography

Abstract
Thermography, photography and spectroscopy in combination with studies on optical and structual properties via probe laser and diffraction are outlined as photonic tools in order to investigate with high resolution in time and space the non-melting mode, the melting mode and the plasma mode of processing with laser radiation. The use of photonics as monitoring methods for processing control of processing with laser radiation was demonstrated. The requirements for adaptive processing control as set of main processing parameters, strategy of analysing methods and components of control system are reported.

: http://publica.fraunhofer.de/documents/PX-28421.html