Micromass UK Limited

Irina Vasileva

Boris Kozlov

A mass spectrometer comprising: an ion energy filterarranged and configured to filter ions according to their kinetic energy and so as to only transmit ions having a component of kinetic energy in a first dimension (z-dimension) that is within a selected range; and a multi-reflecting time of flight mass analyser or mass separatorhaving an ion accelerator, and two gridless ion mirrorsthat are elongated in the first dimension (z-dimension) and configured to reflect ions multiple times in a second orthogonal dimension (x-dimension), wherein the ion acceleratoris arranged to receive ions from the energy filterand accelerate the ions into one of the ion mirrors

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Manchester, United Kingdom

Irina Vasileva