Conversion of the 'Iskra-5' iodine laser to second-harmonic operating mode

Abstract

Possibilities of manipulating the Rabi frequency and luminescence rate from degenerate-level systems as well as the velocity of self-induced transparency of multi-level media are studied using a unitary transformation. The Rabi frequency and luminescence rate of an electronic system whose ground level is degenerate and coupled to a resonant mode are found to depend on the level of the degeneracy. The velocity of multi-mode optical solitons in a multi-level medium is found to be influenced by the number of propagating resonant pulses. Physical realizations of relevant systems are proposed.

Focusing of X-Rays with a Photon Energy of 9.5 keV by an Ellipsoid with a HOPG Crystal

“…Studies of the focusing properties of the ellipsoid were performed in full-scale experiments in one of the channels of the Iskra-5 laser facility [21] according to the scheme that is shown in Fig. 1.…”

Light Scattering in KDP Crystals and Relaxation Oscillations of Diffusion Layer in Crystal Growth from Solutions

“…The light scattering in these crystals as a function of height H are plotted in Fig. (4). It is interesting that the dependences of light scattering on height are opposite in the experiments with 2.5 mm and 16 mm feeders, and in the experiment with a 8 mm feeder the light scattering (~ 0.5) is almost independent of H. In the latter case, the light scattering weakly depends on the number of pump revolutions as well.…”

“…High optical quality of crystals (specifically of KDP monocrystals) grown from solution is still an important problem. It is closely connected with the development of new efficient techniques [1][2][3] of crystal growth and increased demands to the quality of crystals to be used, for example, in high-power lasers [4][5][6]. The main quality indexes, such as optical transparency, optical homogeneity, and laser breakdown threshold are related to growth perfection.…”

X-ray imaging of laser produced plasmas by a compound 3D x-ray lens

“…An image of laser plasma in hard X-rays with energy of E ≈8 keV was recorded by refractive compound X-ray lens in the experiment at the iodine laser facility "Iskra-5" [14]. A scheme of the experimental arrangement is shown in figure 3.…”