Title :
Photo-induced microstructures in transparent materials with femtosecond laser pulses
Author :
Watanabe, W. ; Yamada, K. ; Kuroda, D. ; Shinagawa, T. ; Itoh, Kenji ; Nishii, J. ; Hayashi, K.
Author_Institution :
Dept. of Appl. Phys., Osaka Univ., Japan
Abstract :
We report the observation that a void moves inside transparent materials under irradiation by femtosecond laser pulses in a fixed optical system. We also show birefringent structures induced by self-trapped filaments in silica glass.
Keywords :
birefringence; calcium compounds; laser beam effects; optical glass; optical materials; refractive index; voids (solid); CaF/sub 2/; birefringent structures; femtosecond laser pulses; fixed optical system; photo-induced microstructures; refractive-index change; regenerative amplified Ti:sapphire laser; self-trapped filament; silica glass; transparent materials; void movement; Focusing; Glass; Laser transitions; Microstructure; Optical materials; Optical pulses; Optical refraction; Pulse amplifiers; Silicon compounds; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.967994
