Pump and signal combiner for bi-directional pumping of all-fiber lasers and amplifiers | Zendy

Thomas Theeg | Zendy; Hakan Sayınc | Zendy; Jörg Neumann | Zendy; Ludger Overmeyer | Zendy; Dietmar Kracht | Zendy

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Pump and signal combiner for bi-directional pumping of all-fiber lasers and amplifiers

Author(s) -

Thomas Theeg,

Hakan Sayınc,

Jörg Neumann,

Ludger Overmeyer,

Dietmar Kracht

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.028125

Subject(s) - optics , feedthrough , fiber laser , signal (programming language) , amplifier , materials science , polarization maintaining optical fiber , optical fiber , dispersion shifted fiber , fiber optic sensor , optoelectronics , computer science , physics , cmos , programming language

We developed an all-fiber component with a signal feedthrough capable of combining up to 6 fiber-coupled multi-mode pump sources to a maximum pump power of 400 W at efficiencies in the range of 89 to 95%, providing the possibility of transmitting a high power signal in forward and in reverse direction. Hence, the fiber combiner can be implemented in almost any fiber laser or amplifier architecture. The complete optical design of the combiner was developed based on ray tracing simulations and confirmed by experimental results.

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