Title :
Femtosecond-laser induced sub-200 nm structures in TiO2
Author :
Das, Susanta Kumar ; Dufft, Daniela ; Bock, Martin ; Rosenfeld, Arkadi ; Bonse, Joern ; Grunwald, Ruediger
Author_Institution :
Max-Born-Inst. for Nonlinear Opt. & Short-Pulse Spectrosc., Berlin, Germany
Abstract :
Sub-wavelength periodic surface structures in titanium dioxide with periods of 170 and 90 nm were generated with 150 fs pulses at 800 and 400 nm, respectively. Formation mechanisms and conditions for large-area patterning are discussed.
Keywords :
high-speed optical techniques; laser beam effects; periodic structures; titanium compounds; femtosecond-laser; large-area patterning; sub-wavelength periodic surface structures; time 150 fs; titanium dioxide; wavelength 170 nm; wavelength 200 nm; wavelength 400 nm; wavelength 800 nm; wavelength 90 nm; Nonlinear optics; Optical pulse generation; Optical pulses; Optical surface waves; Periodic structures; Rough surfaces; Surface emitting lasers; Surface roughness; Surface structures; Ultrafast optics; (140.3390); Laser materials processing; (160.4236) Nanomaterials;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
