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Multiple reflection time-of-flight mass analyzer and time-of-flight mass spectrometer having a mass analyzer
Multiple reflection time-of-flight mass analyzer and time-of-flight mass spectrometer having a mass analyzer
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机译:多反射飞行时间质谱分析仪和具有质量分析仪的飞行时间质谱仪
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摘要
A multi-reflecting TOF mass analyser has two parallel, gridless ion mirrors each having an elongated structure in a drift direction (Z). These ion mirrors provide a folded ion path formed by multiple reflections of ions in a flight direction (X), orthogonal to the drift direction (Z). The analyser also has a further gridless ion mirror for reflecting ions in the drift direction (Z). In operation ions are spatially separated according to mass-to-charge ratio due to their different flight times along the folded ion path and ions having substantially the same mass-to-charge ratio are subjected to energy focusing with respect to the flight and drift directions.
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