3D Photonic Crystals for Direct Applications in Light Emitting Devices

Matej Goraus, Petra Urbancova, Dusan Pudis

3D Photonic Crystals for Direct Applications in Light Emitting Devices

Číslo: 2/2018
Periodikum: Advances in Electrical and Electronic Engineering
ISBN: 1804-3119
DOI: 10.15598/aeee.v16i2.2750

Klíčová slova: Light emitting diode; optical fiber; photonic crystal, Světelná dioda; optické vlákno; fotonický krystal

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Anotace: In this paper, we present IP-Dip polymer-based Photonic Crystals (PhCs), which are more and more attractive for photonic devices. These structures offer simple and cheap solutions, how to improve optical properties of these devices. In our experiment, we used Direct Laser Writing (DLW) lithography to create a three dimensional (3D) PhCs. We fabricated two types of PhC structure. The first structure was prepared from IP-Dip polymer and used for modification of the radiation pattern of the optical fiber. The second PhC structure was filled with liquid polymer PolyDiMethylSiloxane (PDMS) and directly placed on the LED chip. Quality of the prepared structures was confirmed by a confocal microscope. The modification of the far-field radiation patterns of LED and optical fiber was measured by a goniophotometer.