By Igor V. Yevseyev, Valery M. Yermachenko, Vitaly V. Samartsev
During this ebook, the authors derive the speculation of elastic depolarizing collisions and describe their significance in a few nonlinear electromagnetic phenomena in gaseous media. The formation of photon echo and an outline of its a number of varieties in gaseous media are then offered. The authors express that the features of the corresponding indications count primarily on elastic depolarizing collisions. in addition they contemplate the benefits of a brand new form of photon echo spectroscopy: polarization photon echo-spectroscopy. A high-level, really expert remedy, Depolarizing Collisions in Nonlinear Electrodynamics will attract researchers and complicated graduates in nonlinear optics and quantum electronics.
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Extra info for Depolarizing Collisions in Nonlinear Electrodynamics
To obtain the experimental information on with even κ, the authors of  proposed to apply an external longitudinal permanent uniform magnetic field to a gas medium under study. For example, a longitudinal magnetic field applied to a gas medium, as demonstrated in , allows the relaxation characteristic of the quadrupole moment of the polarization of the medium to be measured by means of the photon echo for 1/2 ← → 3/2 and 1→1 transitions. © 2004 by CRC Press LLC DEPOLARIZING COLLISIONS IN NONLINEAR ELECTRODYNAMICS 53 We will close our discussion of early theoretical studies on the photon echo and its modifications by considering papers [51, 53].
See ) consider their estimates on the intensities of pump pulses as some approximations that should be treated very carefully. The authors of  were the first to propose to apply the method of photon echo to measure the relaxation characteristics with even κ. Recall that all the earlier papers [44, 49] considered the possibility of measuring the relaxation characteristics and only with odd κ. To obtain the experimental information on with even κ, the authors of  proposed to apply an external longitudinal permanent uniform magnetic field to a gas medium under study.
15). 29) For T02, (T22+T2-2), (T12+T1–2) weget a set of three equations. 34), respectively. These elements are expressed in terms of the functions w, u, ,Ψi, and χi (i=1, 2, 3) taken at ξ=1. 28). If , we must switch to complexconjugate functions. 3) for calculating Γ(v)(κ). We go from integration with respect to ρ to integration with respect to parameter g. 13). As a result we can once more represent the Γ(v)(κ). 39) where D =–4(3/2)2/5Γ(9/5)/(5 ), and Γ(9/5) is the gamma function. 40). Let us now discuss the behavior of F(S, t)(κ) (κ=1,2, 3) at large values of parameter t, or |t|>>1.
Depolarizing Collisions in Nonlinear Electrodynamics by Igor V. Yevseyev, Valery M. Yermachenko, Vitaly V. Samartsev