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Generation of high-order harmonics of femtosecond radiation from the surface of various media |
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| Authors: | R A Ganeev H Singhal P A Naik U Chakravarty V Arora J A Chakera M Raghuramaiah R A Khan S R Kumbhare R P Kushwaha P D Gupta |
| Institution: | (1) Akadempribor Scientific Association, Academy of Sciences of Uzbekistan, Akademgorodok, Tashkent, 700125, Uzbekistan;(2) Laser Plasma Division, Raja Ramanna Centre for Advanced Technology, Indore, 452013, India |
| Abstract: | The results of study of high-order harmonic generation from the surfaces of various materials by using femtosecond radiation with a variable chirp are presented. The analysis and optimization of radiation conversion into harmonics up to the fifteenth order (λ = 52.9 nm) are carried out. It is shown that the maximum conversion efficiency is realized for the surfaces of silver and glass. The wavelength of harmonics can be tuned over the 2-nm range by changing the chirp of the radiation converted. |
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