1) Visible and near infrared
Found on
https://www.crosswordclues.com/clue/vnir
The visible and near-infrared (VNIR) portion of the electromagnetic spectrum has wavelengths between approximately 400 and 1400 nanometers (nm). 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 infrare...
Found on
http://en.wikipedia.org/wiki/VNIR
acronym: visible and near infrared
Found on
https://www.encyclo.co.uk/local/20002
No exact match found.
