07 MW output power from a two-arm coherently combined Q-switched photonic crystal fiber laser | Zendy

Boris Rosenstein | Zendy; Avry Shirakov | Zendy; Daniel Belker | Zendy; Amiel A. Ishaaya | Zendy

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07 MW output power from a two-arm coherently combined Q-switched photonic crystal fiber laser

Author(s) -

Boris Rosenstein,

Avry Shirakov,

Daniel Belker,

Amiel A. Ishaaya

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.006416

Subject(s) - optics , materials science , fiber laser , photonic crystal fiber , laser beam quality , laser , beam (structure) , q switching , power (physics) , pulse width modulation , photonic crystal , pulse duration , optoelectronics , optical fiber , laser beams , physics , quantum mechanics

We demonstrate a high peak power, Q-switched pulsed, intracavity coherently combined fiber laser system. The system is based on two Yb-doped, rod-type, photonic crystal fibers which are passively phase-locked and combined into the single output beam in a power oscillator configuration. Experimental evidence indicate that this oscillator system provides record high peak power of ∼ 0.7 MW with pulse duration of ∼ 10 ns at 1 kHz repetition rate. The measured beam quality shows near-diffraction-limited operation of the coherently combined system.

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