Far infrared

175 2023-08-01

Far Infrared (abbreviated FIR) generally refers to the light waves located in the 15-1000µm area on the spectrum, which belongs to the wavelength range of infrared.It is located on the outside of the visible light spectrum red light, which is an irreplaceable light.Different academic circles are often different in the definition of far -infrared rays. For example, astronomy often defines electromagnetic waves between the far -infrared rays between 25 µm and 350 µm.The organism can be "hot" and feel its existence.

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