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A Broadband Near-IR Detector Based on a Large-Area InGaAs Photodiode for Time-Resolved Detection of Singlet Oxygen

  • PHYSICAL INSTRUMENTS FOR ECOLOGY, MEDICINE, AND BIOLOGY
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Abstract

A broadband near-IR photodetector based on a large-area G12180-250A InGaAs photodiode (Hamamatsu) with a 5-mm-diameter photosensitive area was developed and tested. It is designed for detecting the IR luminescence of singlet oxygen. A circuit for signal amplification is assembled on the basis of broadband low-noise operational amplifiers with the subsequent filtering of a signal with an adjustable passband  f  varied from 15 to 600 kHz, thus allowing one to obtain a time resolution of better than 1 µs, a sensitivity level of 107–109 V/W, and a noise equivalent power NEP [W/Hz1/2] ≈ 1.4 × 10–14λ–1[µm] f [kHz] in a frequency band of 15–600 kHz.

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ACKNOWLEDGMENTS

This study was supported by the Russian Science Foundation, project no. 16-13-10024.

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Authors and Affiliations

  1. Rzhanov Institute of Semiconductor Physics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

    V. G. Goldort & S. A. Kochubei

  2. Voevodsky Institute of Chemical Kinetics and Combustion, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russia

    A. V. Demyanenko, A. S. Bogomolov, A. P. Pyryaeva & A. V. Baklanov

  3. Novosibirsk State University, 630090, Novosibirsk, Russia

    A. V. Demyanenko, A. S. Bogomolov, A. P. Pyryaeva & A. V. Baklanov

Authors
  1. V. G. Goldort
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  2. A. V. Demyanenko
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  3. A. S. Bogomolov
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  4. S. A. Kochubei
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  5. A. P. Pyryaeva
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  6. A. V. Baklanov
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Corresponding author

Correspondence to A. V. Baklanov.

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Translated by A. Seferov

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Goldort, V.G., Demyanenko, A.V., Bogomolov, A.S. et al. A Broadband Near-IR Detector Based on a Large-Area InGaAs Photodiode for Time-Resolved Detection of Singlet Oxygen. Instrum Exp Tech 62, 252–255 (2019). https://doi.org/10.1134/S0020441219010068

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  • DOI: https://doi.org/10.1134/S0020441219010068

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