Opto-thermal design of a white light point source based on high power blue laser diodes (Conference Presentation)

Author(s):  
António Correia ◽  
Peter Hanselaer ◽  
Youri Meuret
2014 ◽  
Vol 3 (5-6) ◽  
Author(s):  
Roland Lachmayer ◽  
Alexander Wolf ◽  
Gerolf Kloppenburg

AbstractFor many lighting applications, light-emitting diodes (LEDs) are replacing traditional light sources providing the possibility for smart and efficient systems as well as a reduction in the product weight. A next step in this development is the integration of laser-based light sources to increase luminance and to further scale down the optics possibly leading to a reduction of necessary resources. This article reviews the possibilities and challenges arising from the use of laser diodes especially compared to current high-power LED systems in terms of efficiency, color-rendering properties, and thermal management.


2013 ◽  
Vol 37 (2_3) ◽  
pp. 95-100 ◽  
Author(s):  
Yoshihisa Ikeda ◽  
Yuji Takeda ◽  
Misaki Ueno ◽  
Yoshiaki Matsuba ◽  
Atsushi Heike ◽  
...  

2021 ◽  
Author(s):  
Sneha Kshirsagar ◽  
Laxmi Limbale ◽  
Meera Pawar ◽  
Pranita Giri ◽  
Prajakta Solankar

We show fast LiFi information correspondence of more than 20 Gbit/s utilizing noticeable light from a laser-based white light radiating surface mount gadget (SMD) item stage that offers 10-100X the brilliance of regular LED sources. Furnished with high force blue laser diodes that proposal over 3.5 GHz of 3 dB transmission capacity, the laser-based white light SMD modules showed a sign to-clamor proportion (SNR) over 15 dB up to 1 GHz. The high SNR was joined with high request quadrature adequacy tweak (QAM) and symmetrical recurrence division multiplexing (OFDM) to amplify the transfer speed effectiveness. In this work, we present a laser based white light SMD module arranged with a solitary 3W blue laser diode mounted on heat-sink, optically coupled to a collimating optic, accomplishing a LiFi information pace of up 10Gbit/s. Moreover, we show frequency division multiplexing (WDM), from a white light SMD module designed with two blue laser diodes isolated in top frequency to fill in as discrete correspondence channels.


2007 ◽  
Vol 204 (6) ◽  
pp. 2068-2072 ◽  
Author(s):  
M. Ohta ◽  
Y. Ohizumi ◽  
Y. Hoshina ◽  
T. Tanaka ◽  
Y. Yabuki ◽  
...  
Keyword(s):  

Author(s):  
Muhammad Ali ◽  
Sven Gerhard ◽  
Bernhard Stojetz ◽  
Soenke Tautz ◽  
Georg Bruederl ◽  
...  

2018 ◽  
Vol 57 (21) ◽  
pp. 5923 ◽  
Author(s):  
Hiroki Tanaka ◽  
Shogo Fujita ◽  
Fumihiko Kannari

2017 ◽  
Author(s):  
M. Huber ◽  
H. Forrer ◽  
P. Wuest ◽  
H. Moser ◽  
M. Forrer
Keyword(s):  

2015 ◽  
Vol 23 (1) ◽  
pp. 121-132 ◽  
Author(s):  
Junichi Kinoshita ◽  
Hitoshi Aizawa ◽  
Akira Takamori ◽  
Kazuhisa Yamamoto ◽  
Hiroshi Murata ◽  
...  

2018 ◽  
Vol 10 (2) ◽  
pp. 1-8 ◽  
Author(s):  
Jie Yang ◽  
Zhe Liu ◽  
Bin Xue ◽  
Zhou Liao ◽  
Liangsen Feng ◽  
...  

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