scholarly journals Investigating photomultiplier tube nonlinearities in high-speed phosphor thermometry using light emitting diode simulated decay curves

2021 ◽  
Vol 92 (12) ◽  
pp. 123102
Author(s):  
Henrik Feuk ◽  
Sebastian Nilsson ◽  
Marcus Aldén ◽  
Mattias Richter
Keyword(s):  
High Speed ◽  
Light Emitting Diode ◽  
Photomultiplier Tube ◽  
Light Emitting ◽  
Phosphor Thermometry

scholarly journals Fuzzy Based Network Assignment and Link-Switching Analysis in Hybrid OCC/LiFi System

2018 ◽  
Vol 2018 ◽  
pp. 1-15 ◽  
Author(s):  
Moh. Khalid Hasan ◽  
Mostafa Zaman Chowdhury ◽  
Md. Shahjalal ◽  
Yeong Min Jang
Keyword(s):  
Hybrid System ◽  
Communication Systems ◽  
High Speed ◽  
Light Emitting Diode ◽  
Flow Analysis ◽  
Optical Wireless Communications ◽  
Light Emitting ◽  
High Speed Data ◽  
Transmission Capability ◽  
Time Division

In recent times, optical wireless communications (OWC) have become attractive research interest in mobile communication for its inexpensiveness and high-speed data transmission capability and it is already recognized as complementary to radio-frequency (RF) based technologies. Light fidelity (LiFi) and optical camera communication (OCC) are two promising OWC technologies that use a photo detector (PD) and a camera, respectively, to receive optical pulses. These communication systems can be implemented in all kinds of environments using existing light-emitting diode (LED) infrastructures to transmit data. However, both networking layers suffer from several limitations. An excellent solution to overcoming these limitations is the integration of OCC and LiFi. In this paper, we propose a hybrid OCC and LiFi architecture to improve the quality-of-service (QoS) of users. A network assignment mechanism is developed for the hybrid system. A dynamic link-switching technique for efficient handover management between networks is proposed afterward which includes switching provisioning based on user mobility and detailed network switching flow analysis. Fuzzy logic (FL) is used to develop the proposed mechanisms. A time-division multiple access (TDMA) based approach, called round-robin scheduling (RRS), is also adopted to ensure fairness in time resource allocation while serving multiple users using the same LED in the hybrid system. Furthermore, simulation results are presented taking different practical application scenarios into consideration. The performance analysis of the network assignment mechanism, which is provided at the end of the paper, demonstrates the importance and feasibility of the proposed scheme.

Design and Dynamic Analysis of a High-Speed Organic Light-Emitting Diode

2017 ◽  
Vol 47 (2) ◽  
pp. 1279-1284 ◽  
Author(s):  
Samira Salehifar ◽  
Mohammad Reza Shayesteh ◽  
Saeedeh Hashemian
Keyword(s):  
Dynamic Analysis ◽  
High Speed ◽  
Light Emitting Diode ◽  
Light Emitting ◽  
Organic Light Emitting Diode ◽  
Organic Light

High-Speed GaN/GaInN Nanowire Array Light-Emitting Diode on Silicon(111)

Nano Letters ◽  
2015 ◽  
Vol 15 (4) ◽  
pp. 2318-2323 ◽  
Author(s):  
Robert Koester ◽  
Daniel Sager ◽  
Wolf-Alexander Quitsch ◽  
Oliver Pfingsten ◽  
Artur Poloczek ◽  
...  
Keyword(s):  
High Speed ◽  
Light Emitting Diode ◽  
Nanowire Array ◽  
Light Emitting

High-Speed Visible Light Communications Using Individual Pixels in a Micro Light-Emitting Diode Array

2010 ◽  
Vol 22 (18) ◽  
pp. 1346-1348 ◽  
Author(s):  
Jonathan J. D. McKendry ◽  
Richard P. Green ◽  
A. E. Kelly ◽  
Zheng Gong ◽  
Benoit Guilhabert ◽  
...  
Keyword(s):  
Visible Light ◽  
High Speed ◽  
Light Emitting Diode ◽  
Diode Array ◽  
Visible Light Communications ◽  
Light Emitting
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