Optical: systems and elements – Having significant infrared or ultraviolet property – Multilayer filter or multilayer reflector
Patent
1992-10-16
1994-08-16
Lerner, Martin
Optical: systems and elements
Having significant infrared or ultraviolet property
Multilayer filter or multilayer reflector
359584, 359589, G02B 528, G02B 110
Patent
active
053391985
ABSTRACT:
An all-polymeric cold mirror which reflects visible wavelengths while transmitting a substantial portion of infrared wavelengths is provided. The mirror includes a sufficient number of alternating layers of at least first and second diverse polymeric materials such that at least 50% of peak reflecting visible light of a wavelength of between about 380-680 nm incident on the mirror is reflected and at least 50% of infrared light between about 680-2000 nm is transmitted or absorbed. The mirror may be designed so that it either reflects or absorbs ultraviolet light.
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Motter Gregg A.
Wheatly John A.
Lerner Martin
The Dow Chemical Company
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