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Effect of energy pooling collisions in formation of a cesium plasma by continuous wave resonance excitation
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Title: Effect of energy pooling collisions in formation of a cesium plasma by continuous wave resonance excitation

Creator:

Mahmoud, M.A. ; Gamal, Y.E.E.

Contributor:

Gaj, Miron. Redakcja ; Urbańczyk, Wacław. Redakcja

Description:

Optica Applicata, Vol. 40, 2010, nr 1, s. 129-141

Abstrakt:

The generation of plasma in cesium vapor excited by cw laser is investigated theoretically. We have developed a computational model which quantitatively explains the laser power dependences of electron energy distribution function (EEDF) and the level population densities which were created during the interaction. The energy spectra of the electrons emerging from the interaction show that the mechanisms by which electrons gain energy through the resonant system can significantly increase the density of the resonant plasma. The nonlinear behaviour of the ion current suggests that the plasma formation is initiated via collisional ionization and collisional excitation, such as associative ionization, Penning ionization, or photoionization as well as energy pooling collisions.The Cs – Cs atom collisions play important role in the formation of a highly Cs plasma with the use of a relatively low power laser to excite a resonance transition. A comparison between the behaviour of the calculated ion current as a function of a laser power is proved to be a reasonable agreement with that measured by Pappas et al. (Appl. Spectrosc. 54, 2000, p. 1245). The results may be useful in designing and developing cw metal vapor lasers.

Publisher:

Oficyna Wydawnicza Politechniki Wrocławskiej

Place of publication:

Wrocław

Date:

2010

Resource Type:

artykuł

Resource Identifier:

oai:dbc.wroc.pl:58235

Source:

<sygn. PWr A3481II> ; click here to follow the link ; click here to follow the link

Language:

eng

Relation:

Optica Applicata ; Optica Applicata, Vol. 40, 2010 ; Optica Applicata, Vol. 40, 2010, nr 1 ; Politechnika Wrocławska. Wydział Podstawowych Problemów Techniki

Rights:

Wszystkie prawa zastrzeżone (Copyright)

Access Rights:

Dla wszystkich w zakresie dozwolonego użytku

Location:

Politechnika Wrocławska

Group publication title:

Optica Applicata

Subject and keywords:

optyka laser collisional ionization energy pooling plasma cesium

Object collections:

Last modified:

Jan 22, 2019

In our library since:

Jan 22, 2019

Number of object content hits:

74

All available object's versions:

https://dlibra.kdm.wcss.pl/publication/96771

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Edition name Date
Effect of energy pooling collisions in formation of a cesium plasma by continuous wave resonance excitation Jan 22, 2019

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