Selective radiative cooling with MgO and/or LiF layers

Details Selective radiative cooling with MgO and/or LiF layers Selective radiative cooling with MgO and/or LiF layers

1984-09-14

1986-05-06

Capossela, Ronald C.

Refrigeration

Refrigeration producer

62264, 350 17, F25B 2102

Patent

active

045863504

ABSTRACT:
A material for a wavelength-selective radiative cooling system, the material comprising an infrared-reflective substrate coated with magnesium oxide and/or lithium fluoride in a polycrystalline form. The material is non-absorptive for short wavelengths, absorptive from 8 to 13 microns, and reflective at longer wavelengths. The infrared-reflective substrate inhibits absorption at wavelengths shorter than 8 microns, and the magnesium oxide and/or lithium fluoride layers reflect radiation at wavelengths longer than 13 microns.

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