Optoacoustic terahertz spectroscopy (IMAGE)

Optica

Optoacoustic terahertz spectroscopy

Caption

Researchers developed an optoacoustic (OA) terahertz spectroscopy system that can be used for long-term, non-invasive monitoring of blood sodium levels. Their approach successfully reduces signal interference caused by water, which strongly absorbs terahertz radiation.

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Zhen Tian, Tianjin University

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