Theoretical and numerical modeling of short-pulse amplification in a high-power iodine laser

V. A. Eroshenko

doi:10.1117/12.144514

23 April 1993 Theoretical and numerical modeling of short-pulse amplification in a high-power iodine laser

V. A. Eroshenko

Proceedings Volume 1980, Iodine Lasers and Applications; (1993) https://doi.org/10.1117/12.144514
Event: Iodine Lasers and Applications, 1992, Bechyne Castle, Czechoslovakia

Abstract

Numerical modeling of short pulse amplification in iodine laser requires a detailed enough theoretical model. This model must include: effects of deep gain saturation (gain cross section is high, (sigma) > 10^-19 cm², so in the great part of the amplifier chain (epsilon) _pulse > (epsilon) _sat); effects of finite gain bandwidth which are comparable with the pulse bandwidth; a complex structure of atomic iodine transition which consists of 6 components of hyperfine structure (HFS) and 36 sublevels of Zeeman structure (ZS); pulse deformations caused by passive shutters; transverse inhomogeneities of beam and amplifier characteristics. All these factors cannot be taken into account simultaneously. So we have developed a series of codes which model different aspects of pulse amplification in more or less detail.

Citation Download Citation

V. A. Eroshenko "Theoretical and numerical modeling of short-pulse amplification in a high-power iodine laser", Proc. SPIE 1980, Iodine Lasers and Applications, (23 April 1993); https://doi.org/10.1117/12.144514

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