Quasi-two-level Yb:KYW laser with a volume Bragg grating | Zendy

Jonas Hellström | Zendy; Björn Jacobsson | Zendy; Valdas Pašiškevičius | Zendy; Fredrik Laurell | Zendy

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Quasi-two-level Yb:KYW laser with a volume Bragg grating

Author(s) -

Jonas Hellström,

Björn Jacobsson,

Valdas Pašiškevičius,

Fredrik Laurell

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.013930

Subject(s) - materials science , optics , laser , fiber bragg grating , grating , optoelectronics , laser power scaling , distributed feedback laser , wavelength , physics

Using a volume Bragg grating as input coupler, we demonstrate an Yb:KYW laser with a very small quantum defect (1.6%) and an output power of 3.6 W. The laser was longitudinally diode-pumped at 982 nm and the laser wavelength was determined by the grating to 998 nm, with a laser bandwidth of 10 GHz (33 pm). Due to the low quantum defect, the laser should be readily scalable to 20 W or more without critical thermal effects.

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