Article

Applied Physics B

, Volume 87, Issue 2, pp 243-247

First online:

Optimization of the high-order harmonics generated from silver plasma

  • R.A. GaneevAffiliated withAkadempribor Scientific Association, Academy of Sciences of Uzbekistan Email author 
  • , H. SinghalAffiliated withLaser Plasma Division, Raja Ramanna Centre for Advanced Technology
  • , P.A. NaikAffiliated withLaser Plasma Division, Raja Ramanna Centre for Advanced Technology
  • , U. ChakravartyAffiliated withLaser Plasma Division, Raja Ramanna Centre for Advanced Technology
  • , V. AroraAffiliated withLaser Plasma Division, Raja Ramanna Centre for Advanced Technology
  • , J.A. ChakeraAffiliated withLaser Plasma Division, Raja Ramanna Centre for Advanced Technology
  • , R.A. KhanAffiliated withLaser Plasma Division, Raja Ramanna Centre for Advanced Technology
  • , M. RaghuramaiahAffiliated withLaser Plasma Division, Raja Ramanna Centre for Advanced Technology
  • , S.R. KumbhareAffiliated withLaser Plasma Division, Raja Ramanna Centre for Advanced Technology
    • , R.P. KushwahaAffiliated withLaser Plasma Division, Raja Ramanna Centre for Advanced Technology
    • , P.D. GuptaAffiliated withLaser Plasma Division, Raja Ramanna Centre for Advanced Technology

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Abstract

A study of the variation of the spectral shape and the harmonic distribution of the high-order harmonics generated from silver plasma on the frequency chirp of the driving laser radiation (793 nm 48 fs) is reported. The results of the systematic study of the harmonic generation from the 21st order up to the 61st order (λ=13 nm) are presented. A tuning of the harmonic wavelength up to 0.8 nm can be accomplished by variation of the laser chirp.