| Multianode PMTs |
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| Uniformity: |
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| • | Large
variation (3-4x) in |
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| amplification – no problem in |
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| photon
counting (in case of |
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| low
noise) |
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| • | Good
uniformity in QE x |
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| photo-electron
collection |
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| efficiency |
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| QE x
collect. eff. |