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Diffraction Grating and Periodic Surface on Porous Silicon | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 28, Issue 8, 2010, Pages 1515-1524 PDF (234.65 K) | ||
| DOI: 10.30684/etj.28.8.2 | ||
| Authors | ||
| M. S. Mohammed; B. G. Rasheed; R. K. Soni | ||
| Abstract | ||
| Fabrication of micrometer size laser-induced periodic surface structures (ripples) on single crystalline silicon by laser beam irradiation of wavelength (810 nm) in HF electrolyte has been reported. Nonlinear changes of the refractive index are observed due to the interaction of laser light with silicon nanoparticles. Spatial self-phase modulated optical fringes were used to study the nonlinear optical response of nanocrystalline silicon produced by laser-induced etching process. | ||
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