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Updated: Sep 11, 2025

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使用标准的单光子雪崩光二极管直接测量黑暗

T H A van der Reep, D Molenaar, W Löffler

    Journal of the Optical Society of America. A, Optics, image science, and vision
    |August 12, 2025
    PubMed
    概括

    研究人员准确地测量了人类视觉实验的绝对黑暗. 使用单光子探测器和统计分析,他们证实了极低的光线水平,这对于敏感视觉研究至关重要.

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    The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell.
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