Chirped FBG
Chirped FBG
The grating period of Chirped FBG is not constant, but varies along the axial direction. Different grating periods correspond to different Bragg reflection wavelengths, and incident light of different wavelengths is reflected at different positions of the chirped fiber grating, so that the light of different wavelengths will produce an optical path difference after being reflected by the chirped fiber bragg grating. Using this effect of china chirped fiber bragg grating, the dispersion compensation of different wavelength signals in long-distance fiber communication can be effectively realized.
Features Of Chirped FBG
Wide Bandwidth
Low Insertion Loss
High Reflectivity
Application Of Chirped FBG
Gain Flattening Filter
Dispersion Compensation
FTTH
CWDM System
Specifications Of Chirped FBG
|
Parameters |
Unit |
Values |
|
Center Wavelength |
nm |
1064 & 1490 & 1550nm & 1575 & 1625 & 1650nm |
|
Reflectivity |
% |
10~99 |
|
FWHM |
nm |
10 (typical) |
|
Insertion Loss |
dB |
<0.5 |
|
Fiber Terminator |
-- |
Bare Fiber, FC/UPC Or FC/APC, or customized |
|
Fiber Type |
-- |
SMF-28 Or Compatible |
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