Optical sensors Vs. Piezoelectric sensors by Donna Mackett | Sep 11, 2020 | 0 comments Version Download 104 File Size 1.01 MB File Count 1 Create Date September 11, 2020 Last Updated October 31, 2022 Download Description The German Aerospace Center (DLR) tested Oxsensis optical sensors against piezoelectric sensors. This technical report details the tests and results showing how optical sensors perform against piezoelectric sensors.