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Nd3+ fibre laser utilising intra-core Bragg reflectors

Nd3+ fibre laser utilising intra-core Bragg reflectors

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© The Institution of Electrical Engineers
Published

The first tunable Nd3+ fibre laser utilising two intra-core Bragg grating reflectors for cavity feedback has been demonstrated. Intra-core Bragg reflectors were formed holographically by transversely exposing the core to a two-beam interference pattern. This rugged fibre laser incorporated low reflectivity gratings but recent advances have made it possible to fabricate reflectors in excess of 94% into the Nd3+ doped fibre.

Inspec keywords: distributed Bragg reflector lasers; neodymium; solid lasers; fibre optics

Other keywords: low reflectivity gratings; intra-core Bragg reflectors; cavity feedback; rugged fibre laser; holographically formed Bragg reflectors; tunable Nd3+ fibre laser; intra-core Bragg grating reflectors

Subjects: Lasing action in other solids; Other fibre optical devices and techniques; Design of specific laser systems; Fibre optics; Solid lasers

References

    1. 1)
      • R. Kashyap , J.R. Armitage , R. Wyatt , S.T. Davey , D.L. Williams . All-fibre narrowband reflection gratings at 1500 nm. Electron. Lett. , 730 - 731
    2. 2)
      • G. Meltz , W. Morey , W.H. Glenn . Formation of Bragg gratings in optical fibers by a transverse holographicmethod. Opt. Lett. , 823 - 825
    3. 3)
      • W.W. Morey , G. Meltz , W.H. Glenn . (1989) Fiber optic Bragg grating sensors, Fiber Optic and Laser Sensors VII.
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