Ho:KY(WO4)2 thin-disk laser passively Q-switched by a GaSb-based SESAM | Zendy

Xavier Mateos | Zendy; Pavel Loiko | Zendy; Samir Lamrini | Zendy; K. Scholle | Zendy; P. Fuhrberg | Zendy; Soile Suomalainen | Zendy; Antti Härkönen | Zendy; Mircea Guină | Zendy; S M Vatnik | Zendy; I A Vedin | Zendy; Magdalena Aguiló | Zendy; Francesc Dı́az | Zendy; Yicheng Wang | Zendy; Uwe Griebner | Zendy; Valentin Petrov | Zendy

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Ho:KY(WO₄)₂ thin-disk laser passively Q-switched by a GaSb-based SESAM

Author(s) -

Xavier Mateos,

Pavel Loiko,

Samir Lamrini,

K. Scholle,

P. Fuhrberg,

Soile Suomalainen,

Antti Härkönen,

Mircea Guină,

S M Vatnik,

I A Vedin,

Magdalena Aguiló,

Francesc Dı́az,

Yicheng Wang,

Uwe Griebner,

Valentin Petrov

Publication year - 2018

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.26.009011

Subject(s) - materials science , optics , laser , fiber laser , thin disk , slope efficiency , optoelectronics , energy conversion efficiency , quantum well , holmium , disk laser , thin film , q switching , pulse duration , power (physics) , semiconductor laser theory , semiconductor , physics , nanotechnology , stars , quantum mechanics , astronomy

A Holmium thin-disk laser based on a 3 at.% Ho:KY(WO 4 ) 2 / KY(WO 4 ) 2 epitaxy and single-bounce pumping by a 1960 nm Tm-fiber laser is passively Q-switched with a GaSb-based quantum-well semiconductor saturable absorber mirror. It generates an average output power of 551 mW at 2056 nm with a slope efficiency of 44% (with respect to the absorbed pump power). The best pulse characteristics (energy and duration) are 4.1 μJ / 201 ns at a repetition rate of 135 kHz and the conversion efficiency with respect to the continuous-wave regime is as high as 93%.

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