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Zhu Guoyi;Mao Yuefang;Gu Yifan Institute of High Energy Physics, Academia Sinica, Beijing. A NOVEL CONSTANT AMPLIUDE LIGHT PULSER[J]. Atomic Energy Science and Technology, 1988, 22(4): 494-494. DOI: 10.7538/yzk.1988.22.04.0494
Citation: Zhu Guoyi;Mao Yuefang;Gu Yifan Institute of High Energy Physics, Academia Sinica, Beijing. A NOVEL CONSTANT AMPLIUDE LIGHT PULSER[J]. Atomic Energy Science and Technology, 1988, 22(4): 494-494. DOI: 10.7538/yzk.1988.22.04.0494
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  • A light pulser consisting of a chip of CsI(Tl) crystal and an external alphasource ~(241)Am is constructed. Between the crystal and the source there is an alumi-nium foil with a small hole asits centre served both as reflector and collimator. Thewidth (FWHM) of the alpha peak is 8%. The gamma equivalent energy (GEE) isdetermined to be 3MeV with the pulser placed on a CsI (Tl) crystal. And it is9MeV when a BGO crystal is used. The present. type of light pulser is muchsimpler in construction and has higher reliability as compared. with the light pul-ser using NaI(Tl)crystal.
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