A room-temperature ion trapping apparatus with hydrogen partial pressure below \(10^{-11}\) mBar

The lifetime of trapped ion ensembles corresponds to a crucial parameter determining the potential scalability of their prospective applications and is often limited by the achievable vacuum level in the apparatus. We report on the realization of a room-temperature \(^{40}{\rm Ca}^{+}\) ion trapping...

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Bibliographic Details
Published in:arXiv.org 2019-12
Main Authors: Obšil, P, Lešundák, A, Pham, T, Lakhmanskiy, K, Podhora, L, Oral, M, Číp, O, Slodička, L
Format: Article
Language:English
Subjects:
Calcium
Contaminants
Hydrogen
Room temperature
Trapping
Vacuum apparatus
Online Access:Get full text
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Summary:The lifetime of trapped ion ensembles corresponds to a crucial parameter determining the potential scalability of their prospective applications and is often limited by the achievable vacuum level in the apparatus. We report on the realization of a room-temperature \(^{40}{\rm Ca}^{+}\) ion trapping vacuum apparatus with unprecedentedly low reaction rates of ions with a dominant vacuum contaminant: hydrogen. We present our trap assembly procedures and hydrogen pressure characterization by analysis of the CaH\(^+\) molecule formation rate.
ISSN:2331-8422
DOI:10.48550/arxiv.1904.13242