Analysis of the scalability of diffraction-limited fiber lasers and amplifiers to high average power

Optics Express
Jay W DawsonC P J Barty

Abstract

We analyze the scalability of diffraction-limited fiber lasers considering thermal, non-linear, damage and pump coupling limits as well as fiber mode field diameter (MFD) restrictions. We derive new general relationships based upon practical considerations. Our analysis shows that if the fiber's MFD could be increased arbitrarily, 36 kW of power could be obtained with diffraction-limited quality from a fiber laser or amplifier. This power limit is determined by thermal and non-linear limits that combine to prevent further power scaling, irrespective of increases in mode size. However, limits to the scaling of the MFD may restrict fiber lasers to lower output powers.

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Citations

Mar 26, 2014·Applied Optics·Derrek R DrachenbergLeonid B Glebov
Feb 16, 2017·Optics Letters·Matthew EckoldW Andrew Clarkson
Apr 7, 2017·Optics Express·Hyunjun KimKristin A Keller
May 15, 2013·Optics Express·Derrek R DrachenbergJay Dawson
Feb 12, 2014·Optics Express·Xiong WangLei Si
Oct 17, 2014·Applied Optics·Wei ShiN Peyghambarian
Nov 29, 2012·Optics Express·N Ter-GabrielyanM Dubinskii
Sep 29, 2017·Optics Letters·Raja AhmadDavid J DiGiovanni
May 3, 2019·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Junlong HanJianjun Liu
Sep 30, 2020·Optics Express·Jordan P Leidner, John R Marciante
Nov 24, 2011·Optics Express·John M Fini
Mar 4, 2011·Optics Express·O SchmidtA Tünnermann
Jan 25, 2012·Applied Optics·Amber L BullingtonJay W Dawson

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