Incoherent beam combining of continuous-wave and pulsed Yb-doped fiber amplifiers
- Schreiber, T.
- Wirth, C.
- Schmidt, O.
- Andersen, T.V.
- Tsybin, I.
- Böhme, S.
- Peschel, T.
- Brückner, F.
- Clausnitzer, T.
- Röser, F.
- Eberhardt, R.
- Limpert, J.
- Tünnermann, A.
DOIAbstract
We review the technique of incoherent beam combining and show experimentally the combination of four continuous wave fiber amplifiers to an average power of 2 kW and four pulsed 2 ns fiber amplifiers to an average power of 187 W (pulse energy 3.7 mJ) using binary dielectric gratings. The scaling potential and limitations are discussed in detail
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