4 W of laser power at 1040 nm has been achieved for the first time from an Yb-doped double clad PCF. The inner cladding of this fibre has the highest NA yet reported of 0.7-0.8.
High power photonic crystal fibre laser with very high NA pump cladding
2003-01-01
267379 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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