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.
© 2007 OSA
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3390) Lasers and laser optics : Laser materials processing
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.4000) Optical design and fabrication : Microstructure fabrication
M. Tang, H. Zhang, J. McCoy, and T. Her, "Tunable Tungsten Nano-Gratings Deposited by a Single Femtosecond Laser Beam on Dielectrics," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper CThJ6.
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