Title

Fundamental Mode Operation Of A Ribbon Fiber Laser By Way Of Volume Bragg Gratings

Abstract

Selection of the fundamental mode of an active large mode area "ribbon" fiber laser with core dimensions of 107.8 μm by 8.3 μm 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 M2 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 M2 improved to 1.45 at an absorbed power slope efficiency of 54% and enhanced the brightness by 5.1 times.

Publication Date

11-15-2014

Publication Title

Optics Letters

Volume

39

Issue

22

Number of Pages

6498-6500

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1364/OL.39.006498

Socpus ID

84910108741 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84910108741

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