Can be measured in a few hundred meters of fiber as small as 0.1 mm error, compared with foreign monopoly products, measurement resolution increased by 1600 times, the phase accuracy increased by 10 times ... 9, learned from Nanjing University of Aeronautics and Astronautics, the school research and development China's first ultra-high-precision optical vector analyzer come out.
Ultra-high-precision optical vector analyzers are like "eye-catching" and are needed for a wide range of optical applications, from home fiber optic routers to spacecraft. It accurately measures both the amplitude and phase response of two of the most critical components of an opto-electronic device, thus grasping its performance in development and application. The first generation of instruments can only measure the amplitude response, the second generation of instruments can measure both amplitude response and phase response, but the world's only NASDAQ listed company LUNA's OVA5000 a product, and its high-precision version of our sales .
In 2010, Professor Pan Shilong from Nanjing University of Aeronautics and Astronautics started to build a microwave photonics laboratory. He led the team in the study found that foreign light vector analyzer using the "light metering" approach, time-consuming and laborious and not accurate, self-developed light vector analyzer using "light metering" approach, the optical signal Convert to microwave signal. The research group has mastered the optical frequency comb channelization technology, balanced photodetection technology and new electro-optic modulation technology, the basic capture the technical difficulties. The second generation prototype of the optical vector analyzer was successively tested by more than 10 units such as the Institute of Semiconductors of Chinese Academy of Sciences and Jiangsu Guangyang Optoelectronics Co., Ltd. It also helped a navy unit realize the automatic measurement of optical fiber interferometer with the accuracy of 10 times and the cost savings of half the above.
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Solvent violet dyes, china manufactuer, solvent violet 13, solvent violet 31, solvent vioelt 36, solvent violet 59 for plastics and fibers
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