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First results with Hamamatsu SiPM, microscope preamp v2.0

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Presentation on theme: "First results with Hamamatsu SiPM, microscope preamp v2.0"— Presentation transcript:

1 First results with Hamamatsu SiPM, microscope preamp v2.0
light from red laser diode enters through end of scfi. attenuated by al. mylar pulse width < 3ns fwhm SiPM bias 72.4V (nom.) circuit gain 1.5mV / pe average 35 pe/pulse being checked rise time 2.8 ns fall time ~40 ns rise time agrees with model fall time not, being checked minor bugs found, fixes being implemented in prototypes, then they are propagated to the design R. Jones, Photon beam working group, GlueX collaboration, April 16, 2012


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