Pressure dependence of high order harmonic generation in nitrogen molecular gas and atmospheric air Academic Article

abstract

• 2018 Elsevier GmbH The effect of the variation of the gas pressure on the high harmonic generation (HHG) from nitrogen molecular gas (N2) and atmospheric air with ultrashort intense laser pulses is measured. The optimum pressure in the interaction region of a gas jet for maximizing the HHG yield is determined for both gases. Enhancement of the HHG output and its extension to higher harmonic orders are observed around the optimum pressure value of 0.33 bar. Theoretical calculations based on one-dimensional models explain this effect and provide reasonable agreement with experimental results.

authors

• Schuessler, Hans

published proceedings

• OPTIK

author list (cited authors)

• Sayrac, M., Kolomenskii, A. A., & Schuessler, H. A.

citation count

• 6

complete list of authors

• Sayrac, M||Kolomenskii, AA||Schuessler, HA

publication date

• February 2019

publisher

• Elsevier  Publisher

published in

• OPTIK  Journal

keywords

• Conversion Efficiency
• Femtosecond Laser
• High-order Harmonic Generation (hhg)
• Phase Matching
• Pressure Optimization
• Xuv Radiation

Digital Object Identifier (DOI)

• 10.1016/j.ijleo.2018.11.029

start page

• 994

end page

• 1000

volume

• 179

URL

• http://dx.doi.org/10.1016/j.ijleo.2018.11.029