Athermal Packaged FBG

 is a method of compensating the temperature coefficient of fiber grating with a negative temperature coefficient packaging sleeve. It uses a material that does not have a negative temperature coefficient. the encapsulation sleeve can just fully compensate the wavelength drift caused by the temperature change of the FBG. the encapsulation results in a good temperature characteristic, in the environment of -10℃ to 60℃, the temperature coefficient of the fiber grating can reach 1pm/℃, and has good long-term temperature characteristic.

 

Features of Athermal Packaged FBG

100G/50G Channel Spacing

 

Low Insertion Loss

 

Excellent Channel Isolation

 

Application of Athermal Packaged FBG

Regional and Long Haul

 

Dwdm Networks

 

Wavelength Reference

 

Specification of Athermal Packaged FBG

Parameters	Values
Wavelength	S+C+L Band or 980nm Band or 1310nm Band
Bandwidth @3dB	>0.08nm
Insertion	<0.2dB
SLSR	>15dB
PDL	<0.1dB
Wavelength Shift	<80pm from -5 degree to 70 degree
Fiber Type	SMF-28 Compatible
Dimension	5.5mm(Dia.) * 64mm, customized
Storage	-40℃ ~ +85℃

 

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