Part NO. :	WLFBG–series
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wavelength locking FBG

Description
FBG The wavelength locker FBG can effectively improve the pump laser output power and wavelength output accuracy and reliability. It eliminate the pump laser spectral mode hopping, and reduce the optical power intensity fluctuation due to the temperature and the pump driving current changing, therefore significantly improve the performance of the pump laser.

Feathure
A very common application of FBGs is the stabilization of DFB laser modules. They are applicable to pump lasers for EDFAs 980nm / 1480nm as well as for WDM mo- dules for the 1300nm / 1550nm band.
On demand we are able to pro- duce also wavelength lockers at custom wavelengths like 1064nm or 850nm, down to 800nm at this time, even with PM fiber.
The gratings can be designed for peak locking or for linear flank locking (see examples above). peak locking or for linear flank locking (see examples above).
Application
· EDFA pump laser wave­length locker
· DFB laser stabilisation for WDM application
· In-fiber resonators for RAMAN fiber lasers
· Tuneable laser modules
Specification  

Ordering information

①：Center Wavelength

②：Reflectivity

③：FWHM Bandwidth

④：Grating Profile: U：Uniform，A：Apodized

⑤：Optical Connector： A：FC/APC，B：FC/UPC，C：CustomerD：None

⑥：Athermal Packaging： T：Standard， C：Customer，D：None

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