H. Fenker
Northeastern University
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Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1991
H. Akbari; J. Bao; C.Y. Chien; H. Fenker; R. Fitzgerald; P. Fisher; M. Glaubman; A. Grimes; H. Hofer; I. Horvath; D. Kaplan; K. Lanius; I. Leedom; M. Macdermott; Joachim Mnich; D. Newman; Joe D. Orndorff; A. Pevsner; S. Reucroft; J. Rose; J. Spangler; C. Spartiotis; F. Tonisch; G. Viertel; S. Waldmeier; L. Zehnder
Abstract A readout system for plastic scintillating fibers has been developed using a multi-anode microchannel photomultiplier tube operated in a 5 kG magnetic field and the CMOS MX4 microplexer chip. The microchannel photomultiplier tube with an anode array of 10×10 is coupled to an array of fibers using a precise alignment procedure. Each readout unit is capable of sampling signals from 100 fibers simultaneously and multiplexing the analog signals serially with rates of up to 5 MHz. The analog signals are subsequently digitized and subtracted from the pedestals previously stored using a specially designed analog to digital VME module. Such a readout system has many applications in high energy physics, solid state physics, and other fields where a large number of fibers must be read out in short times and at relatively high rates.
