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Measuring Weak Light Signals not Far from Noise-Level

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Biophotons

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Abstract

Detecting extremely weak light emission means to measure photon fluxes down to a few photons per second or rdiation power of the order of 10−19 W in the VIS. Though this is technically possible to do, one needs special detectors and methods of signal processing and it can be performed mostly only on very slowly changing light signals over long integrating or counting times.

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Author information

Authors and Affiliations

  1. Lichttechnisches Institut, Kaiserstraße 12, 76131, Karlsruhe, Germany

    W. Heering

Authors
  1. W. Heering
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Editor information

Editors and Affiliations

  1. Institute of Biophysics, Chinese Academy of Sciences, Beijing, China

    Jiin-Ju Chang

  2. International Institute of Biophysics, Hombroich, Germany

    Jiin-Ju Chang  & Fritz-Albert Popp  & 

  3. Institute of Optical Devices, Technical University Ilmenau, Germany

    Joachim Fisch

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© 1998 Springer Science+Business Media Dordrecht

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Heering, W. (1998). Measuring Weak Light Signals not Far from Noise-Level. In: Chang, JJ., Fisch, J., Popp, FA. (eds) Biophotons. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-0928-6_11

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  • DOI: https://doi.org/10.1007/978-94-017-0928-6_11

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-90-481-5033-5

  • Online ISBN: 978-94-017-0928-6

  • eBook Packages: Springer Book Archive

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