Title :
Breaking symmetry in glass by femtosecond laser irradiation
Author :
Kazansky, Peter G. ; Yang, Weijia ; Bricchi, Erica ; Kitagawa, Ryota ; Takebe, Hiromichi
Author_Institution :
Optoelectron. Res. Centre, Univ. of Southampton, Southampton
Abstract :
It is observed that writing by femtosecond laser from left to right can be different from writing in the opposite direction. Structures with broken mirror symmetry in chalcogenide glass are discovered. Chiral patterns are demonstrated.
Keywords :
chalcogenide glasses; chirality; germanium compounds; high-speed optical techniques; laser beam effects; optical glass; GeS; broken mirror symmetry; chalcogenide glass; chiral patterns; femtosecond laser irradiation; femtosecond laser writing; Birefringence; Glass; Mirrors; Nonlinear optics; Optical materials; Optical polarization; Optical pulses; Ultrafast electronics; Ultrafast optics; Writing; (140.3390) Laser materials processing; (320.7120) Ultrafast 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.2006.4627904
