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Summary of RMD 8x8 mm 2 APDs

Summary of RMD 8x8 mm 2 APDs. T. Tsang, BNL , Dec. 13, 2013. spatial uniformity. time walk. time jitter. Conclusion: metallic mesh with gold sintered device is the best of all.

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Summary of RMD 8x8 mm 2 APDs

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  1. Summary of RMD 8x8 mm2 APDs T. Tsang, BNL, Dec. 13, 2013 spatial uniformity time walk time jitter Conclusion: metallic mesh with gold sintered device is the best of all. We need only a simple parallel plate capacitor geometry to maintain the field lines throughout the entire ADP surface

  2. Dec. 13, 2013 APD 8x8 mm2 Al-mesh, Au sintered, s/n 432-6 APD bias at -1.85 kV 980 nm Vcsel, ~1 ns pulse, 1 kHz ~1 MIP equivalent photons on APD (accounted for the transmission of mesh + etc ~50%) Circuit diagram no amplifier direct APD output 1-MIP at -1.85 kV 256 ave. Mesh APD signal output ground -HV marking on the back

  3. Dec. 13, 2013 APD 8x8 mm2 Al-mesh, Au sintered, s/n 432-6 -1.85 kV ~1 MIP spatial response map ← + y-position ← + x-position

  4. Dec. 13, 2013 APD 8x8 mm2 Al-mesh, Au sintered, s/n 432-6 -1.85 kV ~1 MIP time walk map ← + y-position ← + x-position

  5. Dec. 13, 2013 APD 8x8 mm2 Al-mesh, Au sintered, s/n 432-6 -1.85 kV ~1 MIP time jitter map ← + y-position ← + x-position 1-MIP 8x8mm2σ(0,0)=36.5 ps ~1 MIP σIRF=7.3 ps

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