Resistive cooling circuits for charged particle traps using crystal resonators | Zendy

T. Kaltenbacher | Zendy; F. Caspers | Zendy; M. Doser | Zendy; A. Kellerbauer | Zendy; Wolfgang Pribyl | Zendy

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Resistive cooling circuits for charged particle traps using crystal resonators

Author(s) -

T. Kaltenbacher,

F. Caspers,

M. Doser,

A. Kellerbauer,

Wolfgang Pribyl

Publication year - 2011

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.3663610

Subject(s) - resonator , resonance (particle physics) , electrical impedance , resistive touchscreen , rlc circuit , materials science , electronic circuit , inductance , optoelectronics , physics , electrical engineering , atomic physics , voltage , capacitor , quantum mechanics , engineering

The paper addresses a novel method to couple a signal from charged particles in a Penning trap to a high Q resonant circuit using a crystal resonator. Traditionally, the trap capacity is converted into a resonator by means of an inductance. The tuned circuit's Q factor is directly linked to the input impedance "seen" by the trapped particles at resonance frequency. This parallel resonance impedance is a measure of the efficiency of resistive cooling and thus it should be optimized. We propose here a commercially available crystal resonator since it exhibits a very high Q value and a parallel resonance impedance of several MΩ. The possibility to tune the parallel resonance frequency of the quartz results in filter behavior that allows covering a range of some tens of its 3dB bandwidth by means of tuning.

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