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Optical Fiber Splitter for Photodetector Testing

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Abstract

This paper presents the design and study of an optical fiber splitter with a uniformity of light distribution better than 10%. The main idea is to place the fibers equidistantly from the center, simplifying manufacturing and providing better uniformity of the light intensity compared to a beam splitter. Such a splitter is convenient to use for the mass characterization of photodetectors in single-photoelectron mode, because the same statistical accuracy is ensured during simultaneous testing.

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Notes

  1. DIP is Direct Inline Package. The design of the window of such an LED is a miniature glass or plastic bulb that acts as a kind of lens that can focus and direct light in a specific direction.

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Funding

This work was supported by the Russian Science Foundation, grant no. 21-42-00023.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, 141980, Dubna, Russia

    A. V. Rybnikov, N. V. Anfimov, D. V. Fedoseev, S. A. Sokolov & A. P. Sotnikov

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  1. A. V. Rybnikov
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  2. N. V. Anfimov
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  3. D. V. Fedoseev
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  4. S. A. Sokolov
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  5. A. P. Sotnikov
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Correspondence to A. V. Rybnikov.

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Rybnikov, A.V., Anfimov, N.V., Fedoseev, D.V. et al. Optical Fiber Splitter for Photodetector Testing. Phys. Part. Nuclei Lett. 19, 797–802 (2022). https://doi.org/10.1134/S1547477122060255

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  • DOI: https://doi.org/10.1134/S1547477122060255

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