Frequently Asked Questions

Athermal Packaged Fiber Bragg Grating (FBG) is a type of package that compensates for 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 fully compensate for the wavelength drift caused by the temperature change of the FBG.

The center wavelength of FBG is very sensitive to changes of temperature or strain.

The key features of Athermal Packaged FBG are 100G/50G Channel Spacing, Low Insertion Loss, and Excellent Channel Isolation.

The applications of Athermal Packaged FBG are Regional and long haul DWDM Networks and Wavelength reference.

The operating temperature range of Athermal Packaged FBG is -40~+85℃.

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