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Updated: May 22, 2025

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
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Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

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基于ZnGeP2晶体的长波红外向上转换检测.

Pengxiang Liu, Xu Guo, Liyuan Guo

    Optics letters
    |March 14, 2025
    PubMed
    概括

    这项研究证明了高效的长波红外 (LWIR) 探测使用非线性向上转换与定制ZnGeP2晶体. 该系统实现了高响应性和低fJ灵敏度,为先进的成像应用提供了潜力.

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    Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)01:15

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    Insensitive Nuclei Enhanced by Polarization Transfer (INEPT) is an advanced Nuclear Magnetic Resonance (NMR) technique specifically designed to detect and enhance the signals of low-abundance nuclei, such as carbon-13 and nitrogen-15, in small molecules. The fundamental principle behind INEPT is the transfer of polarization from a more abundant and highly polarizable nucleus, typically hydrogen-1, to the low-abundance nucleus of interest. This process effectively boosts the NMR signal of the...
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