Darlington phototransistor

https://doi.org/10.1351/goldbook.D01520
See:
phototransistor
Source:
PAC, 1995, 67, 1745. (Nomenclature, symbols, units and their usage in spectrochemical analysis-XI. Detection of radiation (IUPAC Recommendations 1995)) on page 1755 [Terms] [Paper]