Fundamental Gaussian mode content measurements on active large core CCC fibers

M. Karow; M. Karow; C. Zhu; D. Kracht; D. Kracht; J. Neumann; J. Neumann; A. Galvanauskas; P. Wessels; P. Wessels

2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
(Optica Publishing Group, 2013),
paper CJ_1_6

Fundamental Gaussian mode content measurements on active large core CCC fibers

M. Karow, C. Zhu, D. Kracht, J. Neumann, A. Galvanauskas, and P. Wessels

The European Conference on Lasers and Electro-Optics 2013

Munich Germany
12–16 May 2013
ISBN: 978-1-4799-0594-2

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Fibres and Components (CJ_1)

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M. Karow, C. Zhu, D. Kracht, J. Neumann, A. Galvanauskas, and P. Wessels, "Fundamental Gaussian mode content measurements on active large core CCC fibers," in 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference, (Optica Publishing Group, 2013), paper CJ_1_6.

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Abstract

Applications in gravitational wave detectors [1] require high power lasers with approximately 200 W of single-frequency output in linearly polarized TEM₀₀-mode. Single-frequency signals have been amplified to more than 500 W in master oscillator power amplifier (MOPA) configurations, employing photonic crystal fibers (PCF) [2] as well as chirally coupled core (CCC) fibers [3]. For a PCF amplifier system, a fundamental Gaussian mode power of 203 W was demonstrated in linear polarization [4]. In this contribution we report for the first time measurements of the overlap of high power CCC fiber amplifiers output beam with the TEM₀₀-mode of a scanning non-confocal ring cavity [5].

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