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Abstract: In the modular multilevel converter of flexible DC transmission systems, metallized film capacitors are often used as DC-link capacitors. Under long-term exposure to high electric field ...

Abstract: We have numerically studied single-frequency gain-switched $\mathbf{2}-\boldsymbol{\mu} \mathbf{m}$ thulium doped fiber laser oscillator with cm-level long cavity length. The peak output ...