Interface engineering for improved light transmittance through photonic crystal flat lenses

6533b7dbfe1ef96bd1270b54

RESEARCH PRODUCT

Interface engineering for improved light transmittance through photonic crystal flat lenses

Frédérique De Fornel Olivier Vanbésien Colette Dumas Maxence Hofman Boris Gralak Geoffroy Scherrer Wojciech Smigaj X. Melique Didier Lippens Benoit Cluzel

subject

[PHYS.PHYS.PHYS-OPTICS] Physics [physics]/Physics [physics]/Optics [physics.optics]Materials science Superlens Physics and Astronomy (miscellaneous)Impedance matching Physics::Optics 01 natural sciences 010305 fluids & plasmas 010309 optics Optics Negative refraction 0103 physical sciences Transmittance 010306 general physics Diffraction grating ComputingMilieux_MISCELLANEOUS Photonic crystal [PHYS.PHYS.PHYS-OPTICS]Physics [physics]/Physics [physics]/Optics [physics.optics][ PHYS.PHYS.PHYS-OPTICS ] Physics [physics]/Physics [physics]/Optics [physics.optics]Interface engineering business.industry Photonic integrated circuit Microstructured optical fiber [SPI.OPTI]Engineering Sciences [physics]/Optics / Photonic Optoelectronics business Microphotonics Realization (systems)

description

In this paper, we present photonic crystal flat lenses with interfaces engineered to improve the light transmittance thanks to a broad angles impedance matching. The interface engineering consists in the realization of antireflection gratings on the edges of the lenses which are designed to reduce the propagative waves reflectivity over a wide range of incident angles. The fabricated structures were measured in optical near-field and a four times enhancement of the light transmission efficiency is reported.

year	journal	country	edition	language
2010-08-20	Applied Physics Letters

https://doi.org/10.1063/1.3473760

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