DIFFRACTION PROPERTIES AND APPLICATION OF 3D POLYMER WOODPILE PHOTONIC CRYSTAL STRUCTURE.
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| Title: | DIFFRACTION PROPERTIES AND APPLICATION OF 3D POLYMER WOODPILE PHOTONIC CRYSTAL STRUCTURE. |
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| Authors: | URBANCOVA, Petra1 urbancova@fyzika.uniza.sk, PUDIS, Dusan1 pudis@fyzika.uniza.sk, GORAUS, Matej1 goraus@fyzika.uniza.sk, SUSLIK, Lubos1 suslik@fyzika.uniza.sk, SCIANA, Beata2 beata.sciana@pwr.edu.pl, DAWIDOWSKI, Wojciech2 wojciech.dawidowski@pwr.edu.pl, KOVAC, Jaroslav3 jaroslav_kovac@stuba.sk, SKRINIAROVA, Jaroslava3 jaroslava.skriniarova@stuba.sk |
| Source: | Advances in Electrical & Electronic Engineering. Sep2019, Vol. 17 Issue 3, p367-373. 7p. |
| Subjects: | Optoelectronic devices, Photonic crystals, Light emitting diodes, Crystal structure, Optical modulation, Light absorption |
| Abstract: | We present a new technique for modification of diffraction and optical properties of photonic devices by surface application of polymer Three- Dimensional (3D) woodpile Photonic Crystal (PhC) structure. Woodpile structure based on IP-Dip polymer was designed and fabricated by Direct Laser Writing (DLW) lithography method based on nonlinear Two- Photon Absorption (TPA). At first, we investigated diffraction properties of woodpile structure with a period of 2 μm. The structure was placed on a glass substrate, and diffraction patterns were measured using laser sources with different wavelengths. After diffraction properties investigation, the fabricated structures were used in optoelectronic devices by their surface application. Our polymer 3D PhC woodpile structures were used for radiation properties modification of light emitting devices - optical fiber and Light Emitting Diode (LED) and for angular photoresponse modification of InGaAsN-based photodiode. The modification of the far-field radiation patterns of optical fiber and LED and spatial modulation of light coupling into photodiode chip with applied structures were measured by goniophotometer. Quality of fabricated structures was analyzed by a Scanning Electron Microscope (SEM). [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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