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SiPM PDE Measurement

Theoretical Calculation

To obtain nincident, a calibrated photodiode was used to measure the power at a given wavelength of an LED.

Data Summary
LED Wavelength (nm) Voltage (V) (w/ 50 ohm resistor in series) Power (W/cm2) nlight (PE/sec) ndark (PE/sec) Measured PDE (%) Manufacturer PDE (%)
Green 570 3.00 58.559872E-12 1.74132e+06 1.01886e+06 30.95 37
Red 650 1.607 70.038226E-12 1.99276e+06 1.01886e+06 30.58 39
SiPM Waveform
Pulse Area Histogram