REDUCTION OF REFLECTIONS THROUGH RELATIVELY ANGLED TRANSMISSIVE SURFACES

Disclosed are optical systems that vary the refractive index of at least one relatively angled transmissive surface to reduce reflections. Embodiments include at least one optical component with relatively angled surface portions that are transmissive to electromagnetic radiation (EMR). In certain e...

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Bibliographic Details
Main Authors BALEINE, Clara R, BUNGAY, Corey L, FLEAGLE, Christopher B, BALEINE, Erwan A. P
Format Patent
LanguageEnglish
French
German
Published 03.05.2023
Subjects
ARMOUR
ARMOURED OR ARMED VEHICLES
ARMOURED TURRETS
BLASTING
HEATING
LIGHTING
MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
MECHANICAL ENGINEERING
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
WEAPONS
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Summary:Disclosed are optical systems that vary the refractive index of at least one relatively angled transmissive surface to reduce reflections. Embodiments include at least one optical component with relatively angled surface portions that are transmissive to electromagnetic radiation (EMR). In certain embodiments, an electrically conductive layer reflective to EMR and an anti-reflective coating are proximate the optical component. The anti-reflective coating includes a gradient-index (GRIN) layer with an index of refraction that varies across a length to increase propagation of EMR at a predetermined angle of incidence to prevent reflection of the EMR between the angled transmissive surfaces.
Bibliography:Application Number: EP20200890424