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建立了一套氦喷嘴激光飞行时间质谱仪系统并进行了离线模拟研究．其工作原理是：首先在原子化室蒸发产生样品气态原子来模拟核反应产物，然后利用氦气传输和氦喷嘴技术，使样品原子形成准直原子束与激光作用．通过激光共振激发电离实现原子序数Z的选择，再利用飞行时间质谱技术来确定原子量A，实现样品原子的分离与鉴别．通过用24Na的放射性测量的方法对谱仪系统效率进行了研究，其传输效率约为17％．
A set of helium nozzle laser time-of-flight mass spectrometer system was established and studied offline. Its working principle is: First, sample gaseous atoms are evaporated in the atomization chamber to simulate the nuclear reaction products, and then helium gas and helium nozzle technology are used to make the sample atoms form a collimated atomic beam and a laser. Through the laser resonance excitation ionization to achieve the choice of atomic number Z, then the use of time-of-flight mass spectrometry to determine the atomic weight A, to achieve the separation and identification of the sample atoms. The efficiency of the spectrometer system was studied by measuring its radioactivity with 24Na and the transmission efficiency was about 17%.