Focusing Light with Curved Guided-Mode Resonance Reflectors

Employing numerical simulations, we investigate the possibility of using curved guided-mode resonance (GMR) elements to focus light in reflection. We treat GMR reflectors with a parabolic shape and show that they are capable of focusing light effectively across wavelength bands that extend several h...
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Autor*in:	Robert Magnusson [verfasserIn] Huiqing Zhai [verfasserIn] Mingyu Lu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2011

Schlagwörter:	diffraction gratings reflectors guided waves leaky modes

Übergeordnetes Werk:	In: Micromachines - MDPI AG, 2010, 2(2011), 2, Seite 150-156
Übergeordnetes Werk:	volume:2 ; year:2011 ; number:2 ; pages:150-156

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/mi2020150

Katalog-ID:	DOAJ058272321

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source	In Micromachines 2(2011), 2, Seite 150-156 volume:2 year:2011 number:2 pages:150-156
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topic_facet	diffraction gratings reflectors guided waves leaky modes Mechanical engineering and machinery
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container_title	Micromachines
authorswithroles_txt_mv	Robert Magnusson @@aut@@ Huiqing Zhai @@aut@@ Mingyu Lu @@aut@@
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callnumber-first	T - Technology
author	Robert Magnusson
spellingShingle	Robert Magnusson misc TJ1-1570 misc diffraction gratings misc reflectors misc guided waves misc leaky modes misc Mechanical engineering and machinery Focusing Light with Curved Guided-Mode Resonance Reflectors
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topic_title	TJ1-1570 Focusing Light with Curved Guided-Mode Resonance Reflectors diffraction gratings reflectors guided waves leaky modes
topic	misc TJ1-1570 misc diffraction gratings misc reflectors misc guided waves misc leaky modes misc Mechanical engineering and machinery
topic_unstemmed	misc TJ1-1570 misc diffraction gratings misc reflectors misc guided waves misc leaky modes misc Mechanical engineering and machinery
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title	Focusing Light with Curved Guided-Mode Resonance Reflectors
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title_full	Focusing Light with Curved Guided-Mode Resonance Reflectors
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title_sort	focusing light with curved guided-mode resonance reflectors
callnumber	TJ1-1570
title_auth	Focusing Light with Curved Guided-Mode Resonance Reflectors
abstract	Employing numerical simulations, we investigate the possibility of using curved guided-mode resonance (GMR) elements to focus light in reflection. We treat GMR reflectors with a parabolic shape and show that they are capable of focusing light effectively across wavelength bands that extend several hundred nanometers. The spatially infinite reflector model is simulated with a finite-element method, whereas the spatially finite reflector is treated with a finite-difference-time-domain method. The numerical results demonstrate that light intensity at the focal point is 8.6 dB stronger than the incident intensity when the GMR reflector’s size is on the order of 10 wavelengths. The results indicate potential applicability of wideband-focusing devices in electromagnetics and photonics using compact resonance elements.
abstractGer	Employing numerical simulations, we investigate the possibility of using curved guided-mode resonance (GMR) elements to focus light in reflection. We treat GMR reflectors with a parabolic shape and show that they are capable of focusing light effectively across wavelength bands that extend several hundred nanometers. The spatially infinite reflector model is simulated with a finite-element method, whereas the spatially finite reflector is treated with a finite-difference-time-domain method. The numerical results demonstrate that light intensity at the focal point is 8.6 dB stronger than the incident intensity when the GMR reflector’s size is on the order of 10 wavelengths. The results indicate potential applicability of wideband-focusing devices in electromagnetics and photonics using compact resonance elements.
abstract_unstemmed	Employing numerical simulations, we investigate the possibility of using curved guided-mode resonance (GMR) elements to focus light in reflection. We treat GMR reflectors with a parabolic shape and show that they are capable of focusing light effectively across wavelength bands that extend several hundred nanometers. The spatially infinite reflector model is simulated with a finite-element method, whereas the spatially finite reflector is treated with a finite-difference-time-domain method. The numerical results demonstrate that light intensity at the focal point is 8.6 dB stronger than the incident intensity when the GMR reflector’s size is on the order of 10 wavelengths. The results indicate potential applicability of wideband-focusing devices in electromagnetics and photonics using compact resonance elements.
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