研究目的
To design and commission an ion guide system for In-Gas Laser Ionization and Spectroscopy (IGLIS) experiments to improve the transport efficiency and optical properties of ion beams.
研究成果
The RFQ ion guides demonstrated a maximum total transport efficiency of 91(7)% and a longitudinal ion energy spread of 1.9(8) eV, with preliminary transverse emittance values agreeing with simulations. The system is operational for IGLIS experiments at KU Leuven.
研究不足
The study was limited by the onset of electrical discharges at higher pressures in the S-RFQ and the need for further detailed emittance measurements.
1：Experimental Design and Method Selection:
The design of RFQ ion guides was based on ion-trajectory simulations to optimize ion transport efficiency and optical properties.
2：Sample Selection and Data Sources:
Copper ions were used as test cases in commissioning tests.
3：List of Experimental Equipment and Materials:
The setup included a gas cell, RFQ ion guides, laser system, and diagnostic tools like Faraday cups and micro-channel plate detectors.
4：Experimental Procedures and Operational Workflow:
The transport efficiency, transient time, longitudinal energy spread, and transverse emittance of ions were measured under various conditions.
5：Data Analysis Methods:
Data was analyzed using SIMION and IonCool software packages for ion-trajectory simulations and ion-buffer gas interaction modeling.
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