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Air Force Research Lab Munitions Directorate
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A low-cost photonic crystal film that can be fastened to a curved or flat surface by an adhesive substance for the purpose of altering the optical properties of the surface.
Description |
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A low-cost photonic crystal film that can be fastened to a curved or flat surface by an adhesive substance for the purpose of altering the optical properties of the surface. |
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The Air Force Research Lab
Munitions Directorate (AFRL/RW) has developed a low-cost photonic crystal film
that can be fastened to a curved or flat surface by an adhesive substance
for the purpose of altering the optical properties of the surface. Photonic crystals are complex
optical structures that are used for a variety of optical applications
including anti-reflection, filtering, light deflection, reflection, absorption
and dispersion. In order for a glass surface or other optical component to obtain
the properties afforded by photonic crystals, the crystals must be embedded
onto the glass through a costly process which requires the skills of an
industry expert.
The present invention offers an elegant solution to this complex and lengthy process by creating a layer of photonic crystals with an adhesive backing that can be applied to the curved or flat surface in an efficient and cost-effective manner. This “treatment” would not require installation by an expert and is potentially reversible as the adhesive layer can be peeled off if needed. In this way, glass or plastic windows can be rapidly converted into high efficiency mirrors or optical filters. |
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