Atmospheric window

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atmospheric window

A range of wavelengths over which there is relatively little absorption of radiation by atmospheric gases.

The major windows are the visible window, from ∼0.3 to ∼0.9 μm; the infrared window, from ∼8 to ∼13 μm; and the microwave window, at wavelengths longer than ∼1 mm. The infrared window loses much of its transparency under very humid conditions due to continuum absorption by water vapor, and can become completely opaque when clouds are present.

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