As night falls, nearly 800 miles of street lights along the Shenzhen Bay Port illuminate the warm light source. At the peak of the traffic flow, the road is illuminated for the road ahead. When the road traffic is very small in the early hours of the morning, the lights begin to darken, and some roads are separated. A bright light, the time of light on a rainy day or even a foggy day will automatically advance or extend. The above scenarios are being staged more and more in some cities, such as main roads, secondary roads, branch roads, and residential areas... Many street lights are being replaced by this intelligent street light system. Indeed, today's street lights have become an important port for smart city information transmission. GE Lighting, Philips and other industry giants have also launched their own intelligent street lighting systems. For example, GE successfully launched LightGridTM, a smart street lighting system in 2014. It has been installed in San Diego in North America and São Paulo in South America. “One of the development priorities of GE Lighting and the entire GE Group in the future is smart street lights. All of our business units and senior leaders believe that lighting is the highest in this opportunity. The city has a large number of street lights, if every A street lamp is connected to the Internet, and each of the light poles will become the data platform of the smart network. For the smart city, it will form an attractive street light network.†Chen Wei, general manager of GE Lighting China, was interviewed by the media. Said. It is understood that GE has specifically allocated $5 million for lighting to accelerate the construction of intelligent street lighting systems and digital intelligent systems, and has established a software center with more than 1,500 software engineers in Silicon Valley, California, for each business. The department includes the lighting department to do this development. In China, Shanghai Sansi has also taken the lead in setting up smart street lamps to break the monopoly of multinational corporations. Previously, Sansi's LED street lights once lit up Chicago O'Hare International Airport, and completed a 690ç›150W high-efficiency square LED street light to replace the traditional lighting renovation project. In the past year, it has successively completed the first large-scale LED smart street lamp system (smart light pole) in China, and successfully landed in Hongze, Jiangsu. “We use the position of the pole of the LED street lamp, in addition to the lighting function, it also loads information collection, environmental monitoring, personnel monitoring, vehicle monitoring, municipal facility monitoring, information release and other functions to coordinate the processing of this information. The distribution has formed the perception network that smart cities need, which will play a very good basic service role in the construction of smart cities.†Wang Yinghua, deputy general manager of Shanghai Sansi, mentioned. Wang Yinghua also said that one of the most important issues to be aware of is that, as an important part of urban construction, in addition to better improving the system of smart street lamps, how to do well with industry, users, and the government. It is also important to communicate, explore application patterns, and meet technical needs. At the same time, the reliable safety of street lighting systems is also a point that cannot be ignored. "In China, various new technologies are emerging one after another. We must also seize the trend of this era. Shanghai Sansi will focus on promoting the flowering results of the LED smart streetlight system next year." Wang Yinghua finally said. Laser crystals of various materials including Neodymium Doped Yttrium Aluminum Garnet (Nd:YAG), Yb-doped Yttrium Aluminum (Yb:YAG), Nd-doped Yttrium Orthovanadate ( Nd:YVO4 ), Nd-doped Gadolinium Orthovanadate ( Nd:GdVO4 ), Cr doped Yttrium Aluminum Garnet ( Cr4+:YAG ) and diffusion bonded composite crystal ( DBC crystal ) are available from Coupletech Co., Ltd.
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