Wang, Cong and Huo, Haibin and Johnson, Michael and Shen, Mengyan and Mazur, Eric (2010) The thresholds of surface nano-/micro-morphology modifications with femtosecond laser pulse irradiations. Nanotechnology, 21 (7). 075304.
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Official URL: http://stacks.iop.org/0957-4484/21/i=7/a=075304
We studied the pulse energy threshold of surface nano-/micro-morphology modifications by irradiating Si, GaAs, GaP, InP, Cu and Ti surfaces with 100 fs laser pulses at a wavelength of 800 nm in air and in water. We found that the laser pulse energy thresholds required for the permanent modification in water are up to 30% lower than those in air. Different non-equilibrium dynamics processes of the surface melting layer cause the different thresholds in water and in air.
|Deposited By:||Prof. Alexey Ivanov|
|Deposited On:||01 Nov 2011 23:29|
|Last Modified:||02 Nov 2011 00:47|
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