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. Author manuscript; available in PMC: 2013 Jul 16.
Published in final edited form as: IEEE J Sel Top Quantum Electron. 2011 Dec 15;18(4):1412–1421. doi: 10.1109/JSTQE.2011.2179919

Fig. 2.

Fig. 2

Schematic diagram of normal-dispersion fiber laser. PBS: polarizing beam splitter, QWP: quarter-wave plate, HWP: half-wave plate, WDM: wavelength-division multiplexing coupler.