The composited high reflectivity p-type electrodes with patterned ITO for AlGaN-based ultraviolet light emitting diodes
Sign Up to like & getrecommendations! Published in 2024 at "Applied Physics Letters"
DOI: 10.1063/5.0216179
Abstract: Composited p-type electrodes with high reflectivity have been investigated in AlGaN-based ultraviolet light emitting diodes (UV-LEDs) to improve the light extraction efficiency, which are composed of a patterned ITO layer and an Al reflector. It… read more here.
Keywords: patterned ito; high reflectivity; type electrodes; ultraviolet light ... See more keywords
A new mechanism for laser absorption in high-reflectivity metal powder beds modified with ceramic particles
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Applied Physics"
DOI: 10.1063/5.0252992
Abstract: The high reflectivity of certain metal powders within the infrared laser range hinders the processability and quality of additively manufactured metals via laser powder bed fusion (L-PBF). Here, we report a new mechanism responsible for… read more here.
Keywords: laser; high reflectivity; metal; powder ... See more keywords
High Reflectivity YDH/SiO2 Distributed Bragg Reflector for UV-C Wavelength Regime
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2018.2804355
Abstract: A distributed Bragg reflector (DBR) composed of Y2O3-doped HfO2 (YDH)/SiO2 layers with high reflectivity spectrum centered at a wavelength of ∼240 nm is fabricated using radio-frequency magnetron sputtering. Before the DBR deposition, optical properties for… read more here.
Keywords: sub sub; high reflectivity; sub; regime ... See more keywords
Ultra-broadband, compact, and high-reflectivity circular Bragg grating mirror based on 220 nm silicon-on-insulator platform.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.006653
Abstract: A compact (4.49 μm × 4.54 μm) and ultra-broadband circular Bragg grating mirror with relaxed fabrication requirements is proposed and demonstrated based on the 220 nm silicon-on-insulator (SOI) platform. Based on FDTD-simulations, the proposed grating… read more here.
Keywords: circular bragg; high reflectivity; broadband; mirror ... See more keywords
Interference suppression of light backscattering through oblique deposition of high-reflectivity multilayers: a theoretical analysis.
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DOI: 10.1364/oe.404097
Abstract: We demonstrate a theoretical approach whereby light backscattering toward the incident beam can be suppressed entirely for a high-reflectivity, rough-surfaced multilayer mirror fabricated using oblique deposition, such that the interface relief is replicated at a… read more here.
Keywords: high reflectivity; oblique deposition; light backscattering; mirror ... See more keywords
High reflectivity surface highlight removal technology based on light field polarization imaging.
Sign Up to like & getrecommendations! Published in 2024 at "Optics express"
DOI: 10.1364/oe.546993
Abstract: This paper proposes an imaging technique to remove strong reflections from specular surfaces using polarization characteristics combined with light field imaging. Firstly, the correct strong reflection region is found by studying the reflected light characteristics,… read more here.
Keywords: high reflectivity; reflectivity surface; light field; polarization ... See more keywords