Title

Integrated Tm:fiber MOPA with polarized output and narrow linewidth with 100 W average power

Authors

Authors

L. Shah; R. A. Sims; P. Kadwani; C. C. C. Willis; J. B. Bradford; A. Pung; M. K. Poutous; E. G. Johnson;M. Richardson

Comments

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Abbreviated Journal Title

Opt. Express

Keywords

THULIUM FIBER LASERS; SINGLE-FREQUENCY; AMPLIFIER; Optics

Abstract

We report on a Tm:fiber master oscillator power amplifier (MOPA) system producing 109 W CW output power, with >15 dB polarization extinction ratio, sub-nm spectral linewidth, and M-2 <1.25. The system consists of polarization maintaining (PM) fiber and PM-fiber components including tapered fiber bundle pump combiners, a single-mode to large mode area mode field adapter, and a fiber-coupled isolator. The laser components ultimately determine the system architecture and the limits of laser performance, particularly considering the immature and rapidly developing state of fiber components in the 2 mu m wavelength regime. (C) 2012 Optical Society of America

Journal Title

Optics Express

Volume

20

Issue/Number

18

Publication Date

1-1-2012

Document Type

Article

Language

English

First Page

20558

Last Page

20563

WOS Identifier

WOS:000308414800091

ISSN

1094-4087

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