Title

Fundamental mode operation of a ribbon fiber laser by way of volume Bragg gratings

Authors

Authors

B. Anderson; G. Venus; D. Ott; I. Divliansky; J. W. Dawson; D. R. Drachenberg; M. J. Messerly; P. H. Pax; J. B. Tassano;L. B. Glebov

Comments

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Abbreviated Journal Title

Opt. Lett.

Keywords

OPTICAL PARAMETRIC OSCILLATOR; HIGH-ORDER MODE; NARROW-BAND; POWER; Optics

Abstract

Selection of the fundamental mode of an active large mode area "ribbon" fiber laser with core dimensions of 107.8 mu m by 8.3 mu m was produced by a transmitting Bragg grating (TBG) in a free-space resonator. The multimode performance of the original laser was characterized to have an M-2 of 11.3 with an absorbed power slope efficiency of 76%. With the TBG aligned to provide maximum diffraction efficiency for the fundamental mode, the M-2 improved to 1.45 at an absorbed power slope efficiency of 54% and enhanced the brightness by 5.1 times. (C) 2014 Optical Society of America.

Journal Title

Optics Letters

Volume

39

Issue/Number

22

Publication Date

1-1-2014

Document Type

Article

Language

English

First Page

6498

Last Page

6500

WOS Identifier

WOS:000344986000036

ISSN

0146-9592

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