Will the future sensing technology be the world's high-tech?

    With the rapid development of electronic technology and the continuous improvement of people's living standards, more and more high-tech applications are applied to life, and serving people's lives has become an inevitable trend of social development. Sensors are playing an increasingly important role as the "senses" of intelligent systems. Only ensuring that the information from the senses is accurate, error-free, stable and uninterrupted becomes a prerequisite for ensuring the continuous and effective operation of intelligent systems. Optical fiber sensing technology combined with the unique properties of optical fiber has great advantages in terms of accuracy, stability, anti-interference ability, and price cost, and has quickly become the focus of research in the field of sensing.

    Sensing technology, as the "sensory" in the intelligent system, plays an increasingly important role in the continuous promotion of a new information industry. It accurately collects a large amount of information from the outside world and continuously updates it to ensure that the information feedback becomes the security and stability of the system The premise of operation. For the fields of machinery, electronics, measurement, control, etc., sensors are essential key components. Imagine if there is no sensor, then the various detection information we need come from, so that the science and technology that supports modern human civilization cannot be developed, and the overall human society will stagnate because of this, and only as the "brain" The coordinated development of computer technology and "sensory" sensor technology can promote the continuous development and progress of science and technology. Sensors have already existed in all areas of human life. For this reason, in the early 1980s, developed countries had already made new assessments of the role of sensors in the field of science and technology. The 1980s in the United States were called the sensor era, and sensor technologies were also listed As one of the most important key technologies in the 1990s, Japan also listed sensor technology as the top ten technology in the field of scientific research. It also included sensor research in China’s "863 Program" and "Technology Tackling" programs. In an important position.

    The definition of a sensor is a device that senses and receives a certain signal of a specific law and can convert this signal into a usable signal. In general, the sensor consists of a sensitive part and an electronic circuit that converts the corresponding regular signal into a usable signal. Optical fiber sensor is a new type of sensor developed with the rapid development of optical fiber communication technology since the 1970s. After more than 30 years of continuous research and development, great progress has been made. Various types of optical fiber sensors have been developed. Come out and apply to real life. Traditional sensors use electrical signals as the carrier and use wires for signal transmission, so they are subject to interference from various external environments, such as strong magnetism, high temperature, high pressure, etc., while optical fiber sensors use light as the transmission carrier. Small size, light weight, high sensitivity, anti-electromagnetic interference, good electrical insulation performance, etc., using the particularity of optical signal transmission, can be applied to the detection environment of high temperature, high pressure, strong corrosiveness, and high explosion risk. High-precision measurement of temperature, pressure, displacement, etc. to be measured.

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