What is the fiber-optical sensor?
The fiber-optic sensor is a technology that uses light to analyze physical properties in remote exploration applications. The internal sensors use the optical fiber itself as a sensor, while external sensors use optical fiber cables to transmit light information from the remote sensor to electronic processors. Light can be used to detect changes in many properties of physical and chemical material to analyze factors such as temperature, pressure or vibration. These sensors work in various industrial and scientific contexts, such as oil wells measurements or as hydrophones for sonar and seismic applications. The light optics of the fiber have many of its own advantages over previous technologies, including small, light sizes, electromagnetic resistance, durability and immediate and accurate information transfer. Thvlákna ESE enables light to reflect in the form of a wool with minimal loss of even long distances. The fiber is made of the dielectric core surrounded by a sheath and a knitno jacket; These fibers can be connected together into thicker cables. The fiber-optic sensor provides rough performance in extreme conditions that prohibit direct observation; They may include dangerous and outlying areas such as internal motors or explosive and corrosive environments.
Internal sensors can measure the material flow through the spaces up to one meter in the light path. This material makes some changes in the quality of light, which can then reveal vital information for analysis. Changes in the length of the optical path allow measuring the intensity, polarization, phases and other characteristics of the wavelength of light. The fiber-optic sensor spreads modulated environmental effects by light acidices and detectors. Other values such as voltage, temperature and viscosity are possible.
Optical and electronic sensors can also use optical fibers to transfer information to electronic processors. This sensorThe outer type may be specially designed for certain harsh conditions: for example, reading temperatures inside current motors and transformers where heat or electromagnetic fields prohibit other measurement methods. The external fiber sensor usually uses a multimod fiber that can allow more wavelengths or light beams for more complicated information transmission. Information from the electronic sensor is converted by an optical transmitter and transmitted via optical lines to the target base.
The simplest type of optical sensor is known as an intense type; measures the modulation of intensity. Spectral sensors measure light modulated by the environmental effect and are used to capture information on the properties of the world of irradiation, fluorescence and absorption. Interferometric sensors act as a solid fiber-optical gyros in air, navigation and mining. The medical field uses optical fiber sensors to obtain blood gas and dosage information; These passive sensors are low -cost, in bulkproduced and appears that they do not pose any bad effects for patients. Intelligent optical fiber structures are built into produced materials and extensive structures such as bridges and dams; Applications continue to evolve for existing and new technologies.