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Fig. 17 | Animal Biotelemetry

Fig. 17

From: An overview of behavioral, physiological, and environmental sensors used in animal biotelemetry and biologging studies

Fig. 17

A reverse-biased voltage applied to a semiconductor with P and N regions and a PN-junction to create a wider depletion layer. When a quanta impinges upon the semiconductor the electrons are released to move toward the cathode and holes toward the anode (a) (adapted from [11]). The reverse current produced is proportional to light intensity (b). Photograph of photodiode (c)

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