title: Differential light detector.
abstract: A sensitive differential light detector is described which consists of two antiparallel silicon photovoltaic diodes and a current-to-voltage converter. The device is optimized to the detection of small differences in intensity. The noise and signal transfer features are considered, and an application example is given.
authors.affiliation: Institut fur Biophysik und Strahlenbiologie, Albert Ludwigs Universitat Freiburg, Albertstrasse 23, D-7800 Freiburg, West Germany.
authors.forename: K P
authors.initials: KP
authors.lastname: Hofmann
authors.forename: D
authors.initials: D
authors.lastname: Emeis
mesh_terms: D000818:Animals; D001703:Biophysics / Q000379:methods*; D002417:Cattle; D004566:Electrodes; D004867:Equipment Design; D008027:Light; D010783:Photometry / Q000295:instrumentation* / Q000379:methods; D017785:Photons; D011789:Quantum Theory; D015203:Reproducibility of Results; D012374:Rod Cell Outer Segment / Q000473:pathology; D012666:Semiconductors; D012815:Signal Processing, Computer-Assisted