Depending on the sample, the spectrum can be measured in either reflection or transmission. Common incandescent or quartz halogen light bulbs are most often used as broadband sources of near …

Near-infrared (NIR) spectroscopy occupies a specific spot across the field of bioscience and related disciplines. Its characteristics and application potential differs from infrared (IR) or Raman spectroscopy.

Jun 21, 2025 · Near-infrared spectroscopy (NIRS) is a non-destructive analytical method using light from the near-infrared spectrum (780 to 2500 nanometers) to examine materials, including biological tissues.

NIR spectroscopy is defined as an analytical technique that utilizes the absorption of near-infrared electromagnetic radiation, from approximately 700 to 2500 nanometers, to analyze the molecular …

Functional near-infrared spectroscopy (fNIRS) is a specialized research optical imaging technique that uses near-infrared light to examine the function of the living brain.

Jan 3, 2023 · Near-infrared (NIR) spectroscopy is a powerful analytical technique that has found wide applications in various fields, including chemistry, pharmaceuticals, agriculture, food science, and …

Dec 15, 2025 · Near-infrared spectroscopy is a form of non-invasive imaging that applies near-infrared radiation (wavelengths 780 nm to 3,000 nm) to chemicals or biological subjects to measure differential...