Flexible microcavities through spin coating
AssigneeResearch Foundation of the City University of New York
InventorsVinod M. Menon, Nikesh V. Valappil
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Abstract
A mechanically flexible array of optically pumped vertical cavity surface emitting lasers, fabricated using spin coating. The array uses InGaP colloidal quantum dots as an active medium and alternating polymer layers of different refractive indices as Bragg mirrors. Enhanced spontaneous emission is produced. The flexible array can be peeled off a substrate, producing a flexible structure that can conform to a wide variety of shapes, and having an emission spectrum that can be mechanically tuned. The flexible array can be used to create a flexible infrared light bandage.
Claims12
A flexible infrared light bandage comprising:
- a first spin-coated distributed Bragg reflector;
- a polymer layer spin-coated onto the first distributed Bragg reflector, the polymer layer including a plurality of quantum dots, wherein the quantum dots are configured to reradiate electromagnetic radiation in the red to near infrared range;
- a second first spin-coated distributed Bragg reflector, spin-coated onto the polymer layer;
- and a light source configured to stimulate the quantum dots.
Dependencies are inferred from the claim text.