Quasi-rotational widely ranging spectrum generation by self-focusing of picosecond pulses in high-pressure hydrogen

V. B. Morozov; A. N. Olenin; V. G. Tunkin

doi:10.1117/12.340058

28 January 1999 Quasi-rotational widely ranging spectrum generation by self-focusing of picosecond pulses in high-pressure hydrogen

V. B. Morozov, A. N. Olenin, V. G. Tunkin

Author Affiliations +

Proceedings Volume 3733, ICONO '98: Nonlinear Optical Phenomena and Coherent Optics in Information Technologies; (1999) https://doi.org/10.1117/12.340058
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

Abstract

A sequence of quasi-equally spaced spectral lines, ranging from the IR to the UV was obtained, when 1.06-micrometers linearly polarized pulses of duration 30 ps and energy of up to 40 mJ were focused into a cell filled with hydrogen at pressures of up to 120 atm and formed there is a self-focusing channel. The average frequency interval between spectral lines was approximately equal to the frequency of rotational transition in hydrogen 587 cm^-1. These lines exhibited a substructure made up by components produced in hydrogen by stimulated rotational and vibrational Raman scattering and cascaded four-wave parametric processes. In the visible, the energy of each spectral line was around 10(mu) J.

Citation Download Citation

V. B. Morozov, A. N. Olenin, and V. G. Tunkin "Quasi-rotational widely ranging spectrum generation by self-focusing of picosecond pulses in high-pressure hydrogen", Proc. SPIE 3733, ICONO '98: Nonlinear Optical Phenomena and Coherent Optics in Information Technologies, (28 January 1999); https://doi.org/10.1117/12.340058

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