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A time of flight mass spectrometer combined with a neutral atom trap is demonstrated with trapped atoms. Thermally generated strontium atoms are slowed down by using a Zeeman slowing technique and are trapped by using a magneto-optical method. The trapped strontium atoms are ionized by a strong laser pulse and accelerated between biased plates. The trapped 88Sr atoms are used to characterize the mass spectrometer combined with the magneto-optical trap. The mass resolution of the time-of-flight mass spectrometer reaches 500.


A time of flight mass spectrometer combined with a neutral atom trap is demonstrated with trapped atoms. Thermally generated strontium atoms are slowed down by using a Zeeman slowing technique and are trapped by using a magneto-optical method. The trapped strontium atoms are ionized by a strong laser pulse and accelerated between biased plates. The trapped 88Sr atoms are used to characterize the mass spectrometer combined with the magneto-optical trap. The mass resolution of the time-of-flight mass spectrometer reaches 500.