Emission Kinetics Of A HgBr Discharge Excilamp

Abstract

A kinetic model of the working medium of a discharge excilamp on the B-X transition of mercury bromide, HgBr, excimer molecules has been proposed. The model explains the nonmonotonic dependence of the excilamp radiation intensity on the partial pressure of mercury dibromide molecules by the attachment of electrons to these molecules. HgBr(X) molecules were found to transit into the HgBr(B) excited state due to their collisions with high-energy electrons, thereby improving the excilamp characteristics. K e y w o r d s: excilamp, gas discharge plasma, kinetics, excimer radiation, mercury halides.

Nonlocal surface plasmon amplification by stimulated emission of radiation

“…[7], and ω p = 1.32 × 10 16 s −1 , γ ∞ = 3.3095 × 10 13 s −1 , β = 3/5υ F , A = 1. It was reported that the electrostatic approximation could be misleading even in nanoscale optics [29]. Here, we define the relative error of the electrostatic approximation as…”

“…First, let us consider the spaser consisting of a nonlocal metallic Au sphere with the radius r c embedded in a semiinfinite host gain medium with permittivity ε G . Without loss of generality, we assume that the metal is described with the Drude permittivity ε T for the transverse electric fields and a spatially dispersive permittivity ε L for the longitudinal electric fields, which are written as [28,29]…”

Spectral Characteristics of the Barrier Discharge on Mercury Diiodide Vapor with Neon Mixture

“…-state of mercury monoiodide [23]. The collision reaction of mercury diiodide molecules with electrons (5) is a channel for the formation of molecules of mercury monoiodide in the ground state, which rate constant has the value 8•10 -15 m 3 /s [25]. In the collision of electrons with mercury monoidide molecules in…”

Direct electron-impact mechanism of excitation of mercury monobromide in a double-pulse dielectric-barrier-discharge HgBr lamp

“…Recently, we developed a kinetic model of the working medium of the HgBr(B-X) lamp [17]. Due to the large difference in the electronic and molecular masses, a steady-state distribution of electrons over energies ε is established much rapidly than the densities of the molecular species changes.…”

“…A formula for the rate constant of a molecular transition induced by collisions of the molecule with plasma electrons was derived in our previous work [15,16]. This formula was used in a kinetic study of a HgBr lamp excited by single current pulses [17]. Here, we focus on the calculation of the output characteristics of the HgBr DBD lamp operating in a double-pulse regime.…”