near infrared

infrared light closest in wavelength to visible light, from .7 - 1.4 µm. :: We know, from looking at an infrared image of a cat, that many things emit infrared light. But many things also reflect infrared light, particularly near infrared light. Near infrared radiation is not related to the temperature of the object being photographed - unless the object is very, very hot. "The Infrared" from The Electromagnetic Spectrum (National Aironautics and Space Administration, United States Goverment). [

Wikipedia foundation.

Look at other dictionaries:

  • near infrared — The term for shorter wavelengths in the infrared region, extending from about 0.78 (visible, red) to around 2.5 micrometers. Sometimes referred to as very near infrared. See also far infrared …   Aviation dictionary

  • near infrared — short wave infrared infrared radiation of the shortest wavelength, i.e., closest to the visible spectrum (wavelength about 0.75 to 3.0 μm) …   Medical dictionary

  • near-infrared — adjective Date: 1950 of or relating to the shorter wavelengths of radiation in the infrared spectrum and especially to those between 0.7 and 2.5 micrometers …   New Collegiate Dictionary

  • near-infrared — ˌ ̷ ̷  ̷ ̷  ̷ ̷ ˈ ̷ ̷ adjective : of or relating to the shorter wavelengths of radiation in the infrared spectrum and especially to those between 0.7 and 2.5 micrometers …   Useful english dictionary

  • Near-infrared spectroscopy — Near IR absorption spectrum of dichloromethane showing complicated overlapping overtones of mid IR absorption features. Near infrared spectroscopy (NIRS) is a spectroscopic method that uses the near infrared region of the electromagnetic spectrum …   Wikipedia

  • Near infrared spectroscopy — (NIRS) is a spectroscopic method utilising the near infrared region of the electromagnetic spectrum (from about 800 nm to 2500 nm). Typical applications include pharmaceutical, medical diagnostics (including blood sugar and oximetry), food and… …   Wikipedia

  • Near-infrared signature management technology — Near Infrared (NIR) Signature Management Technology is used to prevent detection of soldiers by NIR Image Converters. These photocathode devices do not detect temperatures, but rather infrared radiation variances. NIR compliant uniforms use a… …   Wikipedia

  • Near Infrared Camera and Multi-Object Spectrometer — The gas giant Uranus showing cloud bands, rings, and moons of the Uranian system, taken with NICMOS in 1998 …   Wikipedia

  • Near-infrared window in biological tissue — The near infrared (NIR) window (also known as optical window or therapeutic window) defines the range of wavelengths where light has its maximum depth of penetration in tissue. Within the NIR window, scattering is the most dominant light tissue… …   Wikipedia

  • near infrared laser — artimosios infraraudonosios srities lazeris statusas T sritis radioelektronika atitikmenys: angl. near infrared laser vok. Laser im nahen Infrarotbereich, m; Nahinfrarotlaser, m rus. лазер ближнего инфракрасного диапазона, m pranc. laser émettant …   Radioelektronikos terminų žodynas

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.