Results 21 to 30 of about 183,760 (277)
Mid-infrared LEDs versus thermal emitters in IR dynamic scene simulation devices [PDF]
, 2006 In a radical departure from conventional thermal emitter-based dynamic IR scene simulation devices, we have tested InAsSbP/InAs LEDs grown by liquid phase epitaxy and tuned at several peak-emitting wavelengths inside the mid-IR band.
Malyutenko, V. K., Zinovchuk, A. V.
core +1 more source
Ultra Bright LED Light Injection Calibration System for MINOS [PDF]
, 1998 We describe here a proposal for a light injection calibration system for the MINOS detectors based on ultra bright blue LEDs as the light source. We have shown that these LEDs are bright enough to span over two orders of magnitude in light intensity ...
Anderson, B. +4 more
core +2 more sources
Variable numerical-aperture temporal-coherence measurement of resonant-cavity LEDs [PDF]
, 2003 The first interferometric measurements of temporal-coherence length variation with numerical aperture (NA) are described for 650 nm, resonant-cavity light-emitting diodes (LEDs) agreeing with spectrally derived results.
Coutinho, RC +6 more
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LED Utilization in Cotton Color Measurement
Journal of Natural Fibers, 2017 The color measurement of the cotton fiber is very important property of the cotton fiber and it plays important role in grading of cotton. Globally used color parameters of cotton fiber are Rd and +b.
Michal Vik, Nayab Khan, Martina Vikova
doaj +1 more source
Multispectral mid-infrared light emitting diodes on a GaAs substrate [PDF]
, 2017 We have designed, simulated, and experimentally demonstrated four-colour mid-infrared (mid-IR) Light Emitting Diodes (LEDs) integrated monolithically into a vertical structure on a semi-insulating GaAs substrate.
Aziz, Mohsin +6 more
core +1 more source
Nghiên cứu tính chất phát quang của ion đất hiếm Ce3+ trong thủy tinh aluminoborate
Tạp chí Khoa học và Công nghệ, 2023 Vật liệu thủy tinh oxit với thành phần Na2O:Al2O3:BaO:B2O3 (NABB) pha tạp ion Ce3+ với các nồng độ từ 0,1% đến 2,5% được tổng hợp bằng phương pháp nóng chảy.
Trịnh Ngọc Đạt +4 more
doaj
The Possibilities for Deployment Eco-Friendly Indoor Wireless Networks Based on LiFi Technology
Proceedings of the International Conference on Applied Innovations in IT, 2020 Recently, traffic demand for wireless data has increased the need for extending the spectrum to transmit numerous signals. However, the bandwidth of radio waves has been scrunching in the last few years with tremendous development of technology such as ...
Oleksandr Romanov +2 more
doaj +1 more source
HortScience, 2020 Passion fruit is a commercial crop of economic importance worldwide, with recent increases in demand for high-quality plants for commercial production.
Ying-Chun Chen +2 more
doaj +1 more source
Efficiency droop in InGaN/GaN multiple quantum well light-emitting diodes with nonuniform current spreading [PDF]
, 2011 We demonstrate that the efficiency droop phenomenon in multiple quantum well InGaN/GaN light-emitting diodes (LEDs) may be connected to the current crowding effect.
Kudryk, Y. Y., Zinovchuk, A. V.
core +1 more source
New light sources for in-vitro potato micropropagation
Bioscience Journal, 2015 This research work objective was to optimize the micropropagation of potato cultivars through the use of new light sources in the growth rooms. Treatments consisted of three potato cultivars (Asterix, Catucha and Macaca), and five light sources (blue ...
Paulo Sergio Gomes Rocha +2 more
doaj +1 more source