2012 global operator revenue growth of 4%, telecom capital spending rose 6%, but the profit growth, and increase the new source of income is not enough to offset the mature business revenue decline. Optical network equipment, optical network equipment markets around the world $2012 in 12.7 billion, 9.6% contraction, WDM equipment spending continues to grow, agencyM equipment mediocre, but SOgain/SDH equipment began to decline significantly.

Optical device, global optical device market fell 2% in 2012, $5.97 billion; Global light module shipments grew by 20%, but due to the decline in the price, the growth of income only 6%; The overall market is relatively weak, but 40 g and 100 g strong demand. The global demand for fiber optic fiber optic cable, 2012 to 251 million kilometers, the growth of 20%, China become the optical fiber cable consume the most power.

In addition, according to the statistics of the ministry of industry and information technology, by the end of October 2012, the new optical fiber to the home covers more than 39 million m households, overfulfilled the year 35 million the goal of the task ahead of time, the optical fiber to the home for the whole year has reached 84 million m households. Three basic telecom Watson sensor enterprises to accelerate the construction of optical network, China mobile 34 million kilometers of fiber optical fiber bidding, an increase of 41%; China unicom 30 million kilometers of fiber optical fiber bidding, an increase of 114%; China telecom tender 30 million kilometers of fiber increased 76% year-on-year.

Industry authorities expect, from 2012 to 2017, the global optical fiber sensor (including some fraction and distributed) consumption value, the average annual increase of up to 20.3%, their annual consumption value will grow from $2012 in 1.58 billion to $2017 in 3.98 billion.

at present, the network has been a lot of people are a part of life, at the same time in the industrial production and daily office requires frequent use of the network, the network demand is growing, the construction of high speed optical fiber network synchronization is accelerated, fiber optic sensor market also will keep growth situation.
Mouthfulerioredrocutatch started since the early 1980 s, the optical fiber sensing the analysis of the market and technology, in fact its analysts since 1976 began to track all kinds of advanced photonics technology. More than 30 years since, optical fiber sensing technology has experienced impressive development.

The basic working principle of optical fiber sensor is to light through the optical fiber from the light source to the modulator, the parameters and enter the modulation OuDeGuang interaction under test, leading to the optical properties of the light (such as light intensity, wavelength, frequency, phase and skewed normal, etc.) change, called a modulated signal light, another use of measured light transmission characteristics influence, to complete the measurement. According to the classification of fiber optic sensor, light by the form of modulation object can be divided into the intensity modulation, polarization system, phase, frequency system; According to whether the light interference occurs can be divided into interference and the interference; According to whether can be measured with the increase of the distance continuously monitored can be divided into distributed and some fraction; According to the role of fiber in the sensors can be divided into: one kind is functional (activityctionalbitumenadiddfacer, abbreviated as FF) sensors, also known as the sensor type sensor; Another kind is functional (Nonactivityctionalbitumenadiddfacer abbreviation for NFF), also known as the light sensor.