High Temperature FBG
High temperature FBG can be used in very high temperature and harsh environment. AtGrating offers customized high temperature FBG for different applications.
High stable wavelength
High stable reflectivity


parameters Unit Values
Center wavelength nm 1510 ~ 1590
FBG profile   Apodized or Uniform
Wavelength tolerance nm +/-0.5
Standard FBG Length mm 10
Reflectivity -- > 60%
–3dB Bandwidth nm ≤0.3
SLSR dB >15
Recoat   Polyimide
Fiber Type -- Polyimide coated SMF-28 fiber
Fiber Terminator -- Bare Fibe
Fiber Length -- 1 meter (Typical)
Operating Temp. -40 ~ 300
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