Title :
Calculation of high-order harmonic generation by ultrashort laser pulses
Author :
Schafer, Kenneth J. ; Kulander, K.C.
Author_Institution :
Louisiana State Univ., Baton Rouge, LA, USA
Abstract :
Summary form only given. With current technology, high-intensity lasers can be designed to have pulse widths of 50-100 fs and two groups have now amplified 20-30 fs pulses. We present calculations of single atom harmonic generation spectra from neon and argon atoms in 800-nm fields with pulse durations of 20-100 fs. The rapidly rising and falling intensity profile of the ultrashort pulse modifies both the envelope and phase of the emitted harmonic spectrum, broadening and shifting the harmonic line.
Keywords :
high-speed optical techniques; optical harmonic generation; photoionisation; spectral line broadening; spectral line shift; 20 to 100 fs; 20 to 30 fs; 50 to 100 fs; 800 nm; Ar; Ne; argon atoms; emitted harmonic spectrum; falling intensity profile; fs pulses; harmonic line broadening; harmonic line shifting; high-intensity lasers; high-order harmonic generation; neon atoms; nm fields; pulse durations; pulse widths; rising intensity profile; single atom harmonic generation spectra; ultrashort laser pulses; ultrashort pulse; Frequency conversion; Gas lasers; Laser theory; Nonlinear optics; Optical harmonic generation; Optical pulse generation; Optical pulses; Optimized production technology; Pulse amplifiers; Space vector pulse width modulation;
Conference_Titel :
Lasers and Electro-Optics, 1996. CLEO '96., Summaries of papers presented at the Conference on
Conference_Location :
Anaheim, CA, USA
Print_ISBN :
1-55752-443-2
