Page 12 - Griswold-APS-DPP-2020-talk
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Calibration of Pyroelectric Crystals: High Intensity LED
• Benchtop calibration with an LED light source that provides 2W of focused light power.
• Measured responsivity of 65 nA/W, with an accuracy of +/- 20%
• Pyros were also cross-calibrated with Energy Analyzers on C-2W (next slide)
pyrobolometer
high intensity LED source
photometer to calibrate LED
62nd APS-DPP| November 11, 2020 12
