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.
Published in:
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Date of Conference: 21-26 May 2006