Fiber Bragg Grating Sensor: Introduction
Fiber Bragg Grating (FBG) is a type of distributed Bragg reflector constructed in a short segment of optical fiber that reflects particular wavelengths of light and transmits all others. Fiber Bragg grating sensors have been in use for many years in various demanding harsh environmental applications. Fiber Bragg grating sensors are also used as an alternative to traditional mechanical and electrical sensors. FBG sensors are widely used and deployed as optical sensors. FBG sensors reflect the wavelength of light that shifts with response to the change or variation in the temperature.
FBG sensors are constructed with the use of holographic interference exposing a short length of photosensitive fiber to a regular distribution of light intensity. This periodic pattern generates a Bragg grating, acting as a filter due to an interference reflection of some of the incident optical field. The reflecting wavelength of the FBG relies on grating characteristics such as modulation and the period and is impacted by parameters such as temperature and strain. Fiber Bragg grating technology has been the premium choice for optical fiber sensors, specifically in the measurement of temperature and strain, due to the ease of simple manufacturing and strong reflecting signal.
Fiber Bragg Grating Sensor Market: Dynamics
The major driver that supports the global Fiber Bragg grating sensor market is the built in calibration artifacts and long lifetime. The other features that contribute to the growth of the Fiber Bragg grating sensor market is its higher accuracy, compact size, longer stability, protection of electromagnetic interference (EMI), and its capability to measure ultra-high speed events.
Safety monitoring and tracking of aircrafts is crucial. Under aerodynamic loading, the aircraft wing produces large bending and torsional deformation that affects the safety of the aircraft. Here, fiber optic sensing technology for the aircraft wing shape measurement has gradually proved itself to be a real-time and online dynamic measurement method with good characteristics.
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One of the restraining factors of Fiber Bragg grating sensors is its thermal and transverse strain sensitivity. However, FBG sensors overcome various challenges associated with electrical and mechanical sensors by using light and optical fiber instead of using electricity and copper wire. These sensors are electrically passive and non-conductive in nature.
Asia Pacific to Lead the Global Market
In terms of region, the global Fiber Bragg grating sensor market can be split into North America, Europe, Asia Pacific, South America, and Middle East & Africa. The Fiber Bragg grating sensor market in Asia Pacific is anticipated to expand at the maximum CAGR during the forecast period. This growth can be attributed to miniaturization of electronic gadgets, improving standard of living, and rise in development and expenditure on electronic products. India and China are the leading electronic component manufacturers in the world. Thus, Fiber Bragg grating sensor manufacturers in the region are expecting an increase in demand for their products.
The Fiber Bragg grating sensor market in North America and Europe is likely to witness stagnant growth. Stringent government regulations regarding passenger safety and the growing aerospace industry in North America is significantly driving the market for Fiber Bragg grating sensors in the region. With the ongoing concerns about the population’s health in the United States owing to the increasing rate of chronic diseases, the usage of these sensors for medical applications is expected to experience a positive trend. For instance, according to the Centers for Disease Control and Prevention, currently, at least one in six American people suffer from some type of chronic disease. The market in South America and Middle East & Africa is estimated to show sluggish growth during the forecast period.
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Key Players in the Global Market
The global Fiber Bragg grating sensor market was highly fragmented in 2020. Prominent players operating in the global market are focusing on technological developments and expansion to meet the growing demand for Fiber Bragg grating sensors. Moreover, manufacturers are entering partnerships for the development of innovative products and to gain higher profit margins.
Key players operating in the global Fiber Bragg grating sensor market include:
- FBGS International NV
- Smart Fibres Ltd
- Micron Optics
- Timbercon Inc.
- National Instruments
- HBM, Broptics Technology Inc.
- Intelligent Fiber Optic Systems Corporation
- Advanced Optics Solutions (AOS) GmbH
- Technica Optical Components, LLC
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