Title :
Unusual phenomena with self-organized nanogratings written in silica glass with a femtosecond laser
Author :
Groothoff, Nathaniel ; Champion, Andrew ; Hongler, Max-Oliver ; Bellouard, Yves
Author_Institution :
Mech. Eng. Dept., Eindhoven Univ. of Technol., Eindhoven, Netherlands
Abstract :
Femtosecond laser written nanogratings show a random transition from self-organized to disordered structure and vice versa. A reason for the transition is proposed. Overlapping laser scans create nanogratings with apparent self-aligned fringes.
Keywords :
diffraction gratings; high-speed optical techniques; laser materials processing; nanophotonics; optical glass; SiO2; disordered structure; femtosecond laser written nanogratings; laser scans; random transition; self-aligned fringes; self-organized nanogratings; self-organized structure; silica glass; Glass; Laser theory; Laser transitions; Optical pulses; Silicon compounds; Stress; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
