Extended Data Fig. 5: Selection of LEDs and optical filters for multi-site, time-synchronized cardiac pacing.
From: Millimetre-scale bioresorbable optoelectronic systems for electrotherapy

a, Emission spectra for LEDs 1 and 2. b, Transmission curves for filters 1 and 2. c, Transmitted light intensities as a function of incident intensities from LEDs 1 and (2) for filters 1 and 2.