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Development of a design for an ionisation vacuum gauge suitable as a reference standard

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Detalhes bibliográficos
Resumo:The EURAMET EMPIR project “16NRM05 - Ion gauge” aims to develop an ionisation vacuum gauge suitable as a reference vacuum standard. In such a gauge the electron trajectories and their kinetic energy inside the ionisation volume should be well defined and stable. In the search for a suitable design, a series of simulations on different ionisation gauge concepts that have the potential to meet stringent stability requirements have been carried out. Different software packages were used for this purpose. This paper focuses on the design aspects and the performance of the different ionisation gauge concepts that have been investigated by simulation. Parameters such as ionisation gauge sensitivity, ion collection efficiency and electron transmission efficiency, have been determined as a function of emission current, pressure and electron source alignment.
Autores principais:Jenninger, Berthold
Outros Autores:Anderson, Johan; Bernien, Matthias; Bundaleski, Nenad; Dimitrova, Hristiyana; Granovskij, Mihail; Illgen, Claus; Setina, Janez; Jousten, Karl; Kucharski, Pawel; Reinhardt, Christian; Scuderi, Francesco; Silva, Ricardo; Stöltzel, Anke; Teodoro, Orlando M. N. D.; Trzpil-Jurgielewicz, Beata; Wüest, Martin
Assunto:Hot cathode Ionisation gauge Reference standard Sensitivity Simulation Instrumentation Condensed Matter Physics Surfaces, Coatings and Films
Ano:2021
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Universidade Nova de Lisboa
Idioma:inglês
Origem:Repositório Institucional da UNL
Descrição
Resumo:The EURAMET EMPIR project “16NRM05 - Ion gauge” aims to develop an ionisation vacuum gauge suitable as a reference vacuum standard. In such a gauge the electron trajectories and their kinetic energy inside the ionisation volume should be well defined and stable. In the search for a suitable design, a series of simulations on different ionisation gauge concepts that have the potential to meet stringent stability requirements have been carried out. Different software packages were used for this purpose. This paper focuses on the design aspects and the performance of the different ionisation gauge concepts that have been investigated by simulation. Parameters such as ionisation gauge sensitivity, ion collection efficiency and electron transmission efficiency, have been determined as a function of emission current, pressure and electron source alignment.

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