Kinetic stability analysis of the extraordinary mode perturbations in a cylindrical magnetron

التفاصيل البيبلوغرافية
العنوان: Kinetic stability analysis of the extraordinary mode perturbations in a cylindrical magnetron
المؤلفون: R.A. Stark, Han Sup Uhm, H. C. Chen
المصدر: SPIE Proceedings.
بيانات النشر: SPIE, 1991.
سنة النشر: 1991
مصطلحات موضوعية: Physics, Distribution function, Drift velocity, Classical mechanics, Dispersion relation, Dispersion (optics), Resonance, Mechanics, Phase velocity, Curvature, Instability
الوصف: Stability properties of the extraordinary mode perturbations in a relativistic electron flow in a cylindrical magnetron are investigated within the framework of the linearized Vlasov-Maxwell equations. The stability analysis is carried out under the assumptions that the layer is thin and relatively tenuous and that the phase velocity of the perturbed waves is very close to the mean drift velocity of the layer. The perturbed distribution function is calculated by integrating along the electron orbit. The eigenvalue equation is derived and solved in the vacuum and layer regions. Solution in the vacuum region includes the resonator influence and cylindrical curvature effects. A closed algebraic dispersion relation is obtained for the synchronous modes. Analytical investigation of the dispersion relation is carried out for the resonance modes, which are very close to the vacuum modes in the magnetron circuit. The necessary and sufficient condition for instability is obtained for the resonance modes. It is shown that typical growth rates of the instability are few percents of the electron cyclotron frequency.© (1991) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
تدمد: 0277-786X
DOI: 10.1117/12.43487
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::dec53afa8315487ced1c50c598194bee
https://doi.org/10.1117/12.43487
رقم الانضمام: edsair.doi...........dec53afa8315487ced1c50c598194bee
قاعدة البيانات: OpenAIRE
الوصف
تدمد:0277786X
DOI:10.1117/12.43487