Results 11 to 20 of about 47,639 (261)
Design, fabrication and characterization of a distributed Bragg reflector for reducing the étendue of a wavelength converting system [PDF]
, 2020 In this work, the design, fabrication and characterization are reported for a distributed Bragg reflector (DBR) filter with a specific wavelength and angular dependency, which aims to improve the light collection from a wavelength-converter-based light ...
Beeckman, Jeroen +3 more
core +1 more source
Materials, 2020 In this work, the influence of various electrochemical parameters on the production of porous anodic alumina (PAA)-based DBRs (distributed Bragg reflector) during high-temperature-pulse-anodization was studied.
Ewelina Białek, M. Włodarski, M. Norek
semanticscholar +1 more source
EFFECTS OF GRADING LAYERS ON GaAs VERTICAL CAVITY SURVACE EMITTING LASER PERFORMANCE [PDF]
Kirkuk Journal of Science, 2016 This study is an attempt to investigate the effect of grading layers thicknesses and doping on the distributed Bragg reflectors (DBRs) resistivity by using advanced numerical simulation (ISETCAD) .
Ashty M. Aaref, Farah Z. Jasim
doaj +1 more source
Flow boiling in a 1.1mm tube with R134a: Experimental results and comparison with model [PDF]
, 2007 A detailed comparison of the three-zone evaporation model, proposed by Thome et al. (2004), with experimental heat transfer results of two stainless steel tubes of internal diameter 4.26 mm and 2.01 mm using R134a fluid was presented by Shiferaw et al ...
Karayiannis, TG +2 more
core +1 more source
Quasi-2D lead halide perovskite gain materials toward electrical pumping laser
Nanophotonics, 2021 Quasi two-dimensional (2D) lead halide perovskite materials have shown outstanding performance in various photoelectric devices, including perovskite light-emitting diodes (LEDs) and perovskite optical pumping lasers.
Zhao Chenyang, Qin Chuanjiang
doaj +1 more source
Antioxidants, 2022 The ultrasound-assisted aqueous extraction of chlorogenic acid (CGA) and cynarin with the impact of inulin from burdock (Arctium lappa L.) roots was investigated.
Yuan Chen, Jing-Yi Su, Chun-Yao Yang
doaj +1 more source
EAM Modulated DBR Laser Array for TWDM-PON Applications [PDF]
, 2017 4 Channel DBR laser arrays are fabricated for use in optical line terminals of TWDM-PON systems. These combine 1.4Q InGaAsP material in the DBR with EAMs using the identical active layer design. A tuning range ~10 nm and extinction ratio of >27 dB are
Han, L. S. +6 more
core +1 more source
Revista Brasileira de Pesquisa em Educação em Ciências, 2021 The design-based research (DBR) methodology has been standing out in the field of educational research promising to adapt to different scenarios and boost the development of educational innovations.
Luciana Natália Cividatti +2 more
doaj +1 more source
Fast tuneable InGaAsP DBR laser using quantum-confined stark-effect-induced refractive index change [PDF]
, 2007 We report a monolithically integrated InGaAsP DBR ridge waveguide laser that uses the quantum-confined Stark effect (QCSE) to achieve fast tuning response.
Cannard, P +5 more
core +1 more source
ADMINISTRATIVE AND LEGAL BASIS OF THE PARTICIPATION OF THE DBR IN INFORMA- TION RELATIONS [PDF]
Alfred Nobel University Journal of LawThe article examines the administrative and legal foundations of the participation of the State Bureau of Investigation (SBI) in Ukraine’s informational relations, with a focus on contemporary challenges and development prospects for this institution ...
Oleksandr М. Moskalyk
doaj +1 more source