Near-infrared spectroscopy - Wikipedia
Near-infrared spectroscopy (NIRS) is a spectroscopic method that uses the near-infrared region of the electromagnetic spectrum (from 780 nm to 2500 nm). [1] Typical applications include medical and physiological diagnostics and research including blood sugar, pulse oximetry, functional neuroimaging, sports medicine, elite sports training ...
Detectors - Thorlabs
Thorlabs' photodetectors are capable of detecting light throughout the UV, VIS, NIR, IR, and THz spectral regions. Our photodetectors feature sensors that enable properties such as intensity, power, intensity distribution, wavefront shape, energy, and wavelength to be measured.
Near-Infrared Spectroscopy | Thermo Fisher Scientific - US
Near-infrared spectroscopy (NIR) is a widely used rapid alternative to time-consuming, solvent intensive, wet-chemistry methods and chromatographic techniques. Rely on NIR to quickly verify incoming raw materials, monitor reaction progress, and quantify final products with ease.
NIR Spectroscopy: What It Is, Principles, Advantages, and ...
Feb 27, 2024 · Near-infrared spectroscopy, known as NIR spectroscopy or NIRS, is a long-established analytical technique. For over 30 years, it has proven to be a fast and reliable method for measuring chemical and physical properties in solids and liquids.
NIR Spectroscopy - an overview | ScienceDirect Topics
Near-infrared (NIR) spectroscopy is a powerful tool for qualitative and quantitative analysis in a variety of applications. As a rapid and high-throughput analytical method, with minimal requirements for sample preparation and applicability to wide range of sample types, NIR spectroscopy offers significant practical advantages compared to the ...
Integrated near-infrared spectral sensing - Nature
Jan 10, 2022 · Here we report a NIR spectral sensor, which is suitable for diffuse transmittance/reflectance measurements, is fully integrated, and has no moving parts. It is based on a small array of...
What is NIR spectroscopy? - Metrohm
Jan 8, 2024 · Near-infrared spectroscopy is an established analysis technique to determine both chemical and physical parameters in solid and liquid samples.
Near-infrared spectroscopy and imaging: Basic principles and ...
Jun 15, 2005 · Near-infrared spectroscopy (NIRS) is a fast and nondestructive technique that provides multi-constituent analysis of virtually any matrix. It covers the wavelength range adjacent to the mid infrared and extends up to the visible region.
NIRLAB: The Power of NIR Spectroscopy in Material Analysis
Jan 30, 2024 · In law enforcement, Near-Infrared (NIR) spectroscopy has become an indispensable tool for narcotics detection. It enables officers to swiftly and accurately identify and quantify various substances. This plays a vital role in drug enforcement and public safety.
A review on recent near infrared spectroscopic measurement …
Feb 1, 2021 · This review shows that the first three NIRS acquisition modes (i.e. reflection, diffuse reflection, and interaction) aims to acquire diffuse reflectance NIR spectrum from a sample. These modes positioned both NIR energy source and detector in an angle of between 0 and 90°.