The near-infrared (NIR) spectrum ranges from approximately 780 nanometers (nm) to 2500 nm.
This region falls between the visible light spectrum and the mid-infrared (MIR) spectrum.
NIR radiation is invisible to the human eye but can be detected by specialized instruments.
NIR spectroscopy is a powerful technique used in various applications, including:
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Food analysis: Determining moisture content, fat content, and protein content in food products.
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Material science: Identifying and characterizing materials based on their chemical composition and structure.
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Medical diagnostics: Detecting and monitoring diseases by analyzing tissue and blood samples.
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Remote sensing: Mapping vegetation, soil, and water resources from satellites and aircraft.
The specific wavelength range used in NIR applications can vary depending on the specific application and the instrument used.