Near-infrared (NIR) spectroscopy

Near-infrared spectroscopy is a highly flexible form of analysis, which can be applied to a broad range of research and industrial process applications

Introduction to NIR 

Near-infrared (NIR) spectroscopy is a highly flexible form of analysis, which can be applied to a broad range of research and industrial process applications. Long a staple technology in remote sensing, NIR spectroscopy has become popular within industrial markets as a cost-effective tool for measuring materials to optimize processes and manage costs.

What is NIR and how does it work?

NIR spectroscopy is a method that makes use of the near-infrared region of the electromagnetic spectrum (from about 700 to 2500 nanometers). By measuring light scattered off of and through a sample, NIR reflectance spectra can be used to quickly determine a material’s properties without altering the sample.

NIR converts measured data into actionable information to help optimize processes or improve research. Capable of examining irregular surfaces with the same ease as a carefully prepared sample, NIR is non-destructive, and requires little or no sample preparation. It can also be used to analyze multiple constituents in a single scan.  

Advantages of near infrared spectroscopy

  • Highly flexible form of analysis 
  • Cost-effective
  • Capable of examining irregular surfaces
  • Non-destructive
  • Requires little or no sample preparation
ASD FieldSpec range

ASD FieldSpec range

The Gold Standard in Field Spectroradiometers

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ASD LabSpec range

ASD LabSpec range

Laboratory Instrumentation for Qualitative and Quantitative Materials Analysis

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ASD TerraSpec 4 Hi-Res Mineral Spectrometer

ASD TerraSpec 4 Hi-Res Mineral Spectrometer

Fast, precise mineral exploration

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Measurement type
Remote sensing
Ground truthing
Molecular structure
Technology
Near-infrared Spectroscopy (NIR)
Spectral resolution 3 nm @ 700 nm. 6 nm, 8 nm & 10nm @ 1400 nm/2100 nm 3 nm @ 700 nm, 6 nm & 10 nm @ 1400/2100 nm 3 nm @ 700 nm, 6 nm @ 1400/2100 nm
Wavelength 350nm - 2500nm 350nm - 2500nm 350nm - 2500nm