L band (infrared) - definition. What is L band (infrared)
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  3. L band (infrared)

%ما هو (من)٪ 1 - تعريف


L band (infrared)         
  • Atmospheric windows in the infrared. The L band is the transmission window centred on 3.5 micrometres
REGION OF THE INFRARED ELECTROMAGNETIC SPECTRUM USED IN ASTRONOMY (CENTERED ON 3.45 ΜM)
In infrared astronomy, the L band is an atmospheric transmission window centred on 3.5 micrometres (in the mid-infrared).
https://en.wikipedia.org/wiki/L_band_(infrared)
infrared         
  • Active-infrared night vision: the camera illuminates the scene at infrared wavelengths invisible to the [[human eye]]. Despite a dark back-lit scene, active-infrared night vision delivers identifying details, as seen on the display monitor.
  • Plot of atmospheric transmittance in part of the infrared region
  • Infrared light from the [[LED]] of a [[remote control]] as recorded by a digital camera
  • [[Beta Pictoris]] with its planet Beta Pictoris b, the light-blue dot off-center, as seen in infrared. It combines two images, the inner disc is at 3.6 μm.
  • Materials with higher [[emissivity]] appear closer to their true temperature than materials that reflect more of their different-temperature surroundings. In this thermal image, the more reflective ceramic cylinder, reflecting the cooler surroundings, appears to be colder than its cubic container (made of more emissive silicon carbide), while in fact, they have the same temperature.
  • The [[greenhouse effect]] with molecules of methane, water, and carbon dioxide re-radiating solar heat
  • hair salons]], c. 2010s
  • Reflected light photograph in various infrared spectra to illustrate the appearance as the wavelength of light changes.
  • An infrared reflectogram of ''[[Mona Lisa]]'' by [[Leonardo da Vinci]]
  • upright=0.9
  • IR satellite picture of cumulonimbus clouds over the [[Great Plains]] of the United States.
  • Thermography helped to determine the temperature profile of the [[Space Shuttle thermal protection system]] during re-entry.
  • date=2011-07-26 }}, Photonik</ref>
  • false-color]] infrared space telescope image has blue, green and red corresponding to 3.4, 4.6, and 12&nbsp;[[μm]] wavelengths, respectively.
  • Infrared radiation was discovered in 1800 by William Herschel.
ELECTROMAGNETIC RADIATION WITH LONGER WAVELENGTHS THAN THOSE OF VISIBLE LIGHT
Infra-red radiation; Infra-red; Infrared radiation; Near-infrared; Infrared Radiation; Infrared light; Near infrared; Infra-red light; Near Infrared; 1550 nm; LWIR; MWIR; Infra red; Infared; 1300 nm; Infrared spectrum; Infra Red; Infra-Red; InfraRed; Infrared sources; Long-wave infrared; Line of light; Infrared communication; Calorific rays; Calorific Rays; Mid-infrared; Infrared rays; Thermal infrared; Infra-red reflectography; Infrared reflectography; Infrared Rays; Infrared Ray; IR-A; IR-B; IR-C; IR radiation; NIR Photons; MIR photons; Short-wavelength infrared; Infrared bands; Short-wave infrared; Mid-wave infrared; Near-infrared light; Mid infrared; 830 nm; 850 nm; Thermal infrared radiation; Applications of infrared radiation; History of infrared science; Infrared source
<electronics> (IR) Electromagnetic waves in the frequency range just below visible light corresponding to radiated heat. IR waves can be generated by a kind of LED and are often used for remote controls for televisions etc. and in some docking stations. (1997-01-30)
infrared         
  • Active-infrared night vision: the camera illuminates the scene at infrared wavelengths invisible to the [[human eye]]. Despite a dark back-lit scene, active-infrared night vision delivers identifying details, as seen on the display monitor.
  • Plot of atmospheric transmittance in part of the infrared region
  • Infrared light from the [[LED]] of a [[remote control]] as recorded by a digital camera
  • [[Beta Pictoris]] with its planet Beta Pictoris b, the light-blue dot off-center, as seen in infrared. It combines two images, the inner disc is at 3.6&nbsp;μm.
  • Materials with higher [[emissivity]] appear closer to their true temperature than materials that reflect more of their different-temperature surroundings. In this thermal image, the more reflective ceramic cylinder, reflecting the cooler surroundings, appears to be colder than its cubic container (made of more emissive silicon carbide), while in fact, they have the same temperature.
  • The [[greenhouse effect]] with molecules of methane, water, and carbon dioxide re-radiating solar heat
  • hair salons]], c. 2010s
  • Reflected light photograph in various infrared spectra to illustrate the appearance as the wavelength of light changes.
  • An infrared reflectogram of ''[[Mona Lisa]]'' by [[Leonardo da Vinci]]
  • upright=0.9
  • IR satellite picture of cumulonimbus clouds over the [[Great Plains]] of the United States.
  • Thermography helped to determine the temperature profile of the [[Space Shuttle thermal protection system]] during re-entry.
  • date=2011-07-26 }}, Photonik</ref>
  • false-color]] infrared space telescope image has blue, green and red corresponding to 3.4, 4.6, and 12&nbsp;[[μm]] wavelengths, respectively.
  • Infrared radiation was discovered in 1800 by William Herschel.
ELECTROMAGNETIC RADIATION WITH LONGER WAVELENGTHS THAN THOSE OF VISIBLE LIGHT
Infra-red radiation; Infra-red; Infrared radiation; Near-infrared; Infrared Radiation; Infrared light; Near infrared; Infra-red light; Near Infrared; 1550 nm; LWIR; MWIR; Infra red; Infared; 1300 nm; Infrared spectrum; Infra Red; Infra-Red; InfraRed; Infrared sources; Long-wave infrared; Line of light; Infrared communication; Calorific rays; Calorific Rays; Mid-infrared; Infrared rays; Thermal infrared; Infra-red reflectography; Infrared reflectography; Infrared Rays; Infrared Ray; IR-A; IR-B; IR-C; IR radiation; NIR Photons; MIR photons; Short-wavelength infrared; Infrared bands; Short-wave infrared; Mid-wave infrared; Near-infrared light; Mid infrared; 830 nm; 850 nm; Thermal infrared radiation; Applications of infrared radiation; History of infrared science; Infrared source
also infra-red
1.
Infrared radiation is similar to light but has a longer wavelength, so we cannot see it without special equipment.
ADJ: ADJ n
2.
Infrared equipment detects infrared radiation.
...searching with infra-red scanners for weapons and artillery.
ADJ: ADJ n

ويكيبيديا

L band (infrared)
In infrared astronomy, the L band is an atmospheric transmission window centred on 3.5 micrometres (in the mid-infrared).
https://en.wikipedia.org/wiki/L band (infrared)
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