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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Calculation of potentials and simulation of the behavior of calcium ions in Paul's electrical trap
 Vadlejch, Daniel ; Oral,, Martin (referee) ; Číp, Ondřej (advisor)
This thesis deals with comparison of motional properties of calcium ion confined in Paul’s radiofrequency linear quadrupole trap between symetrical and asymetrical driving modes of the trap by numerical simulation. It compares these two modes especially with respect to minimization of ion’s micromotion. It also provides detailed analysis of trapped ion’s secular motion. Together with ion’s motional properties it shows obtained shapes of potential in ion trap in detail. Agreement of real behavior of trapped Calcium ion with numerical model is verified via experimental measurement of trapped ion’s secular frequencies. Thesis also summarizes and uses theoretical description of general features of radiofrequency quadrupole ion traps.
Detailed record
Calculation of potentials and simulation of the behavior of calcium ions in Paul´s linear ion trap
 Vadlejch, Daniel ; Oral, Martin ; Lešundák, Adam ; Pham, Minh Tuan ; Čížek, Martin ; Číp, Ondřej ; Slodička, L.
Precision of the experiments performed using trapped ion within Paul’s linear ion trap is highly dependent on the magnitude of ion’s residual motion. Two different radiofrequency driving modes of the electrodes are compared with respect to magnitude of the ion’s micromotion in the direction of trap’s axis. This comparison of the trapped ion’s micromotion is carried by numerical calculation using finite element method for geometry, which corresponds to trap located in laboratory of Institute of Scientific Instruments, Czech Academy of Science in Brno. The results of the calculations show that symmetrical driving mode should be more suitable to attenuation of trapped ion’s micromotion’s axial component.
Detailed record
Calculation of potentials and simulation of the behavior of calcium ions in Paul's electrical trap
 Vadlejch, Daniel ; Oral,, Martin (referee) ; Číp, Ondřej (advisor)
This thesis deals with comparison of motional properties of calcium ion confined in Paul’s radiofrequency linear quadrupole trap between symetrical and asymetrical driving modes of the trap by numerical simulation. It compares these two modes especially with respect to minimization of ion’s micromotion. It also provides detailed analysis of trapped ion’s secular motion. Together with ion’s motional properties it shows obtained shapes of potential in ion trap in detail. Agreement of real behavior of trapped Calcium ion with numerical model is verified via experimental measurement of trapped ion’s secular frequencies. Thesis also summarizes and uses theoretical description of general features of radiofrequency quadrupole ion traps.
Detailed record

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