VNIR

The visible and near-infrared (VNIR) portion of the electromagnetic spectrum has wavelengths between approximately 400 and 1100 nanometers (nm).^[1] It combines the full visible spectrum with an adjacent portion of the infrared spectrum up to the water absorption band between 1400 and 1500 nm. Some definitions also include the short-wavelength infrared band from 1400 nm up to the water absorption band at 2500 nm.^[2] VNIR multi-spectral image cameras have wide applications in remote sensing and imaging spectroscopy.^[3] Hyperspectral Imaging Satellite carried two payloads, among which one was working on the spectral range of VNIR.^[4]

1. ^ Moseley, Trevor & Zabierek, Gus (2006). "Guidance On The Safe Use Of Lasers In Education And Research" (PDF). Archived from the original (PDF) on 2007-08-24. Retrieved 2007-10-31. electromagnetic radiation at wavelengths extending from 100 nm in the ultra-violet, through the visible (400-700 nm), and the near infrared (700-1400 nm), to the far infrared (1400 nm – 1 mm). {{cite journal}}: Cite journal requires |journal= (help)
2. ^ Waiser, T.H.; Morgan, C.L.S.; Brown, D.J.; Hallmark, C.T. (2007). "In Situ Characterization of Soil Clay Content with Visible Near-Infrared Diffuse Reflectance Spectroscopy". Soil Science Society of America Journal. 71 (2): 389. Bibcode:2007SSASJ..71..389W. doi:10.2136/sssaj2006.0211.
3. ^ Ben-dor, E.; Inbar, Y.; Chen, Y. (1997). "Reflectance spectra of organic matter in the visible near-infrared and short wave infrared region(400-2500 nm) during a controlled decomposition process" (PDF). Remote Sensing of Environment. 61 (1): 1–15. Bibcode:1997RSEnv..61....1B. doi:10.1016/S0034-4257(96)00120-4. Archived from the original (PDF) on May 9, 2006. Retrieved 2007-10-31.
4. ^ "HySIS (HyperSpectral Imaging Satellite) - Satellite Missions - eoPortal Directory". directory.eoportal.org. Retrieved 2021-02-18.

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