Ultrasensitive photodetector with integrated pinhole for confocal microscopes
作者： Franco Zappa , Massimo Ghioni , Sergio Cova , Robert Grub , Eberhard Derndinger
DOI:
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摘要: Photodetector device comprising a semiconductor substrate (1) of first type conductivity connected to electrode (2). Said comprises an active area (4) made up different regions second (8, 9, 10) insulated from each other and respective electrodes (13, 14, 15) so that them can be separately the others appropriate bias voltage. By regulating voltages applied these function optic diaphragm controlled. The works without needing any form optical insulation between always uses same single output for signal in all situations adjustment.
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