Wavelength range and sources
Infrared radiation (IR), also known as thermal radiation, is that band in the electromagnetic radiation spectrum with wavelengths above red visible light between 780 nm and 1 mm . IR is categorized as IR-A (780 nm-1.4 µm), IR-B (1.4-3 µm) and IR-C, also known as far-IR (3 µm-1 mm).
IR is generally understood to include wavelengths from around 750 nm (400 THz) to 1 mm (300 GHz). IR is commonly divided between longer-wavelength thermal IR, ... Far infrared · Infrared astronomy · Infrared spectroscopy · Infrared photography |
Infrared waves have longer wavelengths than visible light and can pass through dense regions of gas and dust in space with less scattering and absorption. Thus, ... |
Infrared (IR, infrared light) has wavelengths λ between 780 nm and 1 mm, which corresponds to a frequency range from 300 GHz to 400 THz. In the second half of ... |
The shortest wavelength of an infrared wave is about 0.7 microns. The longest wavelength of an infrared wave is 350 microns. According to studies, the upper ... |
With respect to the complete electromagnetic radiation spectrum, the infrared radiation (IR) band covers the wavelength range of 750 nm–100 μm, frequency range ... |
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