Tilted FBG
The same between the Tilted FBG(TFBG) and the standard FBG is that the core refractive index modulation is uniform, the difference is that the TFBG will have multiple mode couplings due to the tilt angle between the tilted fiber bragg gratingand the axial direction, mainly including the couplings between the fiber core guided modes, the coupling between the fiber core guided mode and the cladding mode, and the coupling between the fiber core guided mode and the radiating mode, the cladding is infinite. The coupling efficiency between modes and the bandwidth of the leaked light are determined by the tilt angle of the Tilted FBG and the depth of refractive index modulation.
Features Of Tilted FBG
High Accuracy
Easy to Install
Easy to daisy-chain
Long Lifetime
Application Of Tilted FBG
Biosensing
Chemicals
Gas Detection
Commercial Sensing
Specification Of Tilted FBG
|
Parameters |
Unit |
Values |
|
Center Wavelength |
nm |
1460 ~ 1610 |
|
Tilted Angle |
-- |
1-10° |
|
Core mode transmission deep |
dB |
5~30 |
|
FBG Length |
mm |
10~20 |
|
Cladding mode transmission deep |
dB |
5~30 |
|
Recoat |
-- |
Acrylate Or Polyimide |
|
Proof Test |
Kpsi |
≥100 |
|
Fiber Type |
-- |
SMF-28e Or Polyimide Fiber (OFS BF04446) |
|
Fiber Termination |
-- |
Bare Fiber, FC/UPC, FC/APC Or E2000 |
|
Pigtail Length |
-- |
Customized |
|
Operating Temperature |
℃ |
-40 ~120 |
AtGrating is a professional supplier for optical fiber sensing. AtGrating offers fiber optic temperature sensor, fiber bragg grating pressure sensor, fiber optic sensing, etc. For more information, please feel free to contact us!
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