Title :
Tunable Tungsten Nano-gratings Deposited by a Single Femtosecond laser Beam on Dielectrics
Author :
Tang, Mingzhen ; Zhang, Haitao ; McCoy, Jerry ; Her, Tsing-Hua
Author_Institution :
Univ. of North Carolina, Charlotte
Abstract :
Sub-wavelength nano-gratings of tungsten were grown using a single femtosecond laser beam on many substrates. Period of the gratings can be tuned through managing the laser power and scanning speed of substrate.
Keywords :
CVD coatings; diffraction gratings; high-speed optical techniques; laser materials processing; nanotechnology; laser power; scanning speed; single femtosecond laser beam; tunable tungsten nano-gratings; Dielectric substrates; Energy management; Gratings; Laser beams; Laser tuning; Power lasers; Pulsed laser deposition; Tunable circuits and devices; Tungsten; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4452787