Title :
Three-dimensional micromachining inside transparent materials using femtosecond laser pulses: New applications
Author :
Bovatsek, Jim ; Arai, Alan ; Schaffer, Chris B.
Author_Institution :
Applic. Res. Lab., IMRA America Inc., Fremont, CA
Abstract :
At high repetition rate, nonlinear absorption of tightly-focused femtosecond pulses produces a point-like heat source that can be located inside a transparent material, allowing glass welding with weld lines that are located on internal surfaces.
Keywords :
high-speed optical techniques; laser beam machining; laser beam welding; laser materials processing; micromachining; nonlinear optics; optical focusing; optical glass; transparency; femtosecond laser pulses; glass welding; nonlinear absorption; point-like heat source; three-dimensional micromachining; tightly-focused pulses; transparent materials; Glass; Laser applications; Micromachining; Optical materials; Optical pulses; Optical refraction; Optical variables control; Pulsed laser deposition; Ultrafast optics; Welding; 140.3390 (Laser materials processing); 320.2250 (Femtosecond phenomena);
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4627978