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Transmission of five SC-PBG Yb-doped fibers for short fiber length . The different transmission spectra have been vertically shifted to improve figure clarity.
Experimental setup for the Yb-doped SC-PBGF laser. CM: collecting mirror, M1: metalic mirror, MO: microscope objective. An optical image of fiber is also shown.
Measured and computed output power vs injected pump power in the case of a piece of fiber , for the two different cavity configurations.
Output spectrum of laser based on fiber . Fiber length is . In the inset is reported a zoom of the lasing peak with higher resolution .
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