Double clad FBGs are referred to writing gratings on the passive double clad fiber. For fiber laser application, the doped double clad fiber is used as active medium, and double clad FBGs on matching passive fiber are used as cavity mirrors, which play an irreplaceable role for fiber laser.
- Specially designed for fiber laser - Fiber laser
- Suitable for high power - Pump lockers
- Ultra-precise matching - Fiber sensor
- Wide variety of double clad fier type
- Wide bandwidth and reflectivity range
- High reliability
(Reflection spectrum) (Transmission spectrum)