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A 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. This is achieved by adding a periodic variation to the refractive index of the fiber core, which generates a wavelength specific dielectric mirror. An FBG is an invisible reflector inside the core of the fiber that is set to a specific wavelength of light. When the fiber where the FBG is located is exposed to strain or temperature, the FBG's "center wavelength" shifts to a higher or lower wavelength. The direction and magnitude of the shift is proportional to the change in strain or temperature.
A fiber Bragg grating can therefore be used as an inline optical filter to block certain wavelengths, or as a wavelength-specific reflector. Fiber Bragg Gratings are made by laterally exposing the core of a single-mode fiber to a periodic pattern of intense ultraviolet light. The exposure produces a permanent increase in the refractive index of the fiber's core, creating a fixed index modulation according to the exposure pattern. This fixed index modulation is called a grating. At each periodic refraction change a small amount of light is reflected. All the reflected light signals combine coherently to one large reflection at a particular wavelength when the grating period is approximately half the input light's wavelength. This is referred to as the Bragg condition, and the wavelength at which this reflection occurs is called the Bragg wavelength. In a FBG, the refractive index of the core is periodically modulated along the fiber's main axis. The period of the modulation ranges typically from a few hundred nanometers to a few microns. When light is launched into a FBG, it experiences a certain amount of scattering at each grating plane. Most of the scattered light becomes more and more out-of-phase and eventually decays due to deconstructive interference. If the Bragg condition is satisfied for one of the colors of the input light, then a sharp reflected peak is observed in the backward direction with a center wavelength determined by the grating's parameters.
The industry is not very high concentration, the key brand include Micron Optics, Proximion AB, HBM FiberSensing, ITF Technologies Inc, FBGS Technologies GmbH, Technica, iXFiber, Smart Fibres Limited, fos4x, Advanced Optics Solutions GmbH, Wuhan Ligong Guangke, TeraXion, FBG Korea, GEOPTEX bvba(FOS&S), Alnair Labs Corporation and so on.
The global Fiber Bragg Grating (FBG) market segmentation on the basis of type includes Fiber Bragg Grating Filter, Fiber Bragg Grating Sensors and Others. Fiber Bragg Grating Sensors are dominating the market with about 75% share in 2016.
Significant and lasting barriers make entry into this market difficult. These barriers include, but are not limited to: (i) product development costs; (ii) capital requirements; (iii) intellectual property rights; (iv) regulatory requirement; and (v) Transitions' unfair methods of competition.
Despite the presence of competition problems, due to the global recovery trend is clear, investors are still optimistic about this area, the future will still have more new investment enter the field. Even so, the market is intensely competitive .The study group recommends the new entrants just having money but without technical advantage and upstream and downstream support do not to enter into this field.
Over the next five years, LPI(LP Information) projects that Fiber Bragg Grating (FBG) will register a 25.3% CAGR in terms of revenue, reach US$ 2070 million by 2023, from US$ 670 million in 2017.
This report studies the global market, especially in North America, Europe, Asia-Pacific, South America, Middle East and Africa, focuses on the top 5 players in each region, with sales, price, revenue and market share from 2013 to 2018, the top players:
- Micron Optics
- Proximion AB
- HBM FiberSensing
- ITF Technologies Inc
- FBGS Technologies GmbH
- Smart Fibres Limited
- Advanced Optics Solutions GmbH
- Wuhan Ligong Guangke
- FBG Korea
- GEOPTEX bvba (FOS&S)
- Alnair Labs Corporation
Market Segment by Regions, this report splits Global into several key Regions, with sales, revenue, market share of top players in these regions, from 2013 to 2018 (forecast), like
- North America (United States, Canada and Mexico)
- Asia-Pacific (China, Japan, Southeast Asia, India and Korea)
- Europe (Germany, UK, France, Italy and Russia etc.)
- South America (Brazil, Chile, Peru and Argentina)
- Middle East and Africa (Egypt, South Africa, Saudi Arabia)
Split by Product Types, with sales, revenue, price, market share of each type, can be divided into
- Fiber Bragg Grating Filter
- Fiber Bragg Grating Sensors
Split by applications, this report focuses on sales, market share and growth rate in each application, can be divided into
- Optical Communication
- Aerospace Applications
- Energy industry
- Geo-Technical &Civil Engineering