Tag: dynamic range


Low-noise 150dB photodiode can detect heartbeat remotely

March 2, 2023

Via: Electronics Weekly

Eindhoven University of Technology has made a photodiode with such low noise (<10-6mA/cm2 dark current) and wide dynamic range (<150dB), that it can optically detect a heartbeat at a distance of 1.3m. Through an unexpected photo-multiplier effect, it can achieve […]