Title :
Inter- and intrapulse dynamics and feedback control for laser machining
Author :
Webster, Paul J L ; Anderson, Mitchell D. ; Yu, Joe X Z ; Fraser, James M.
Author_Institution :
Dept. of Phys., Eng. Phys. & Astron., Queen´´s Univ. at Kingston, Kingston, ON, Canada
Abstract :
We demonstrate in situ observation of percussion drilling in stainless steel at axial rates of 40 kHz. The melt cycle is directly observed and imaging feedback is used to improve cut accuracy.
Keywords :
laser beam machining; laser feedback; optical tomography; stainless steel; FeCCrJk; feedback control; frequency 40 kHz; imaging feedback; interpulse dynamics; intrapulse dynamics; laser machining; melt cycle; optical coherence tomography; percussion drilling; stainless steel; Biomedical optical imaging; Drilling; Feedback control; Fiber lasers; Laser feedback; Machining; Optical feedback; Optical imaging; Physics; Steel; (110.4500) Optical coherence tomography; (150.5495) Process monitoring and control;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
