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AlP/GaP distributed Bragg reflectors

delete2013-07-15
delete7
PRE
AI
V
Valentin Emberger
F
Fariba Hatami *
W
W. T. Masselink
S
Sven Peters
DOI:10.1063/1.4813748delete
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摘要

摘要

En 中文
Distributed Bragg reflectors with high reflectivity bands centered at wavelengths from 530 to 690 nm (green to red) based on AlP/GaP quarter-wave stacks are prepared on (001) GaP using gas-source molecular-beam epitaxy. Additionally, the complex refractive index of AlP is measured using spectroscopic ellipsometry within the range of 330-850 nm in order to facilitate an accurate reflector design. Structures consisting of 15 quarter-wave stacks reach a peak reflectance between 95% and 98%, depending on the spectral position of the maximum. (C) 2013 AIP Publishing LLC.
Keyword:
LIGHT-EMITTING-DIODES
QUANTUM-WELLS
DIELECTRIC FUNCTIONS
OPTICAL-PROPERTIES
WANNIER EXCITONS
REFRACTIVE-INDEX
GAP
DOTS
SEMICONDUCTORS
ELLIPSOMETRY
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期刊

Applied Physics Letters 封面图
Applied Physics Letters
IF:
3.6
论文数:
10.4W
被引数:
17.8W

机构

H
Humboldt University of Berlin
学者数:
3.2W
论文数: 2.7W
被引数: 47
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