Yorkshire water, the UK water company, and its partners have been awarded a £1.2 million government grant to kick-start research and development of UK underwater fibre optics.
Laser is considered to be one of the greatest inventions of mankind in the twentieth century, and its appearance has strongly promoted the progress of detection, communication, processing, display and other fields. Semiconductor lasers are a class of lasers that mature earlier and progress faster. They have the characteristics of small size, high efficiency, low cost, and long life, so they are widely used. In the early years, infrared lasers based on GaAsInP systems laid the cornerstone of the information revolution.
Recently, Zhang Weijun, a researcher at Anhui Institute of Optics and Fine Mechanics, Hefei Institute of Physical Science, Chinese Academy of Sciences, has made progress in atmospheric nitrogen dioxide (NO2) detection technology. A new method for rapid and sensitive detection of NO2" was published in the American Chemical Society "Analytical Chemistry".
Master Oscillator Power-Amplifier. Compared with traditional solid and gas lasers, fiber lasers have the following advantages: high conversion efficiency (light-to-light conversion efficiency over 60%), low laser threshold; simple structure, working material is flexible medium, easy to use; high beam quality ( It is easy to approach the diffraction limit); the laser output has many spectral lines and a wide tuning range (455 ~ 3500nm); small size, light weight, good heat dissipation effect and long service life.
Recently, with the support of the National Natural Science Foundation of China, Shenzhen Basic Research and other projects, Assistant Professor Jin Limin, a member of Harbin Institute of Technology (Shenzhen) Micro-nano Optoelectronics team, cooperated with Professor Wang Feng and Professor Zhu Shide of City University of Hong Kong, and published a research paper in the internationally renowned journal Nature-Communications. Harbin Institute of Technology (Shenzhen) is the communication unit.
Laser sensors are sensors that use laser technology to measure. It consists of a laser, a laser detector and a measuring circuit. Laser sensor is a new type of measuring instrument. Its advantages are that it can realize non-contact long-distance measurement, fast speed, high precision, large range, strong anti-light and electrical interference ability, etc.
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