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Designing and Characterizing Metalenses for the Increased Light Extraction of MWIR LEDs

Cassandra L. Bogh,Aaron J. Muhowski,David Montealegre, Andrew Meullerleile,Jonathon T. Olesberg,Michael E. Flatte,John P. Prineas

2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)（2019）

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Abstract
High radiance IRLEDs have been achieved, but much of the light created still remains in the device resulting in poor wall-plug efficiencies. Preliminary results presented here show increased light extraction by the addition of a 2D lens to the device, known as a metalens.
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Key words
Mid-infrared LEDs,LED arrays
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