title: Compact passively Q-switched diode-pumped Tm:LiLuF4 laser with 1.26 mJ output energy.
abstract: We demonstrate efficient continuous-wave (CW) and passively Q-switched Tm:LiLuF(4) laser operation near 1.9 μm. The CW slope efficiency reached 54.8% with respect to absorbed power. Stable passive Q-switching with Cr(2+):ZnS saturable absorbers resulted in minimum pulse duration of 7.6 ns and maximum pulse energy and peak power of 1.26 mJ and 166 kW, respectively.
authors: Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy, 2A Max-Born-Strasse, D-12489 Berlin, Germany. haohaiyu@sdu.edu.cn
authors: Haohai
authors: H
authors: Yu
authors: Valentin
authors: V
authors: Petrov
authors: Uwe
authors: U
authors: Griebner
authors: Daniela
authors: D
authors: Parisi
authors: Stefano
authors: S
authors: Veronesi
authors: Mauro
authors: M
authors: Tonelli
mesh_terms: D005459:Fluorides / Q000737:chemistry*; D053844:Lasers, Solid-State; D008187:Lutetium / Q000737:chemistry*; D013932:Thulium / Q000737:chemistry*
chemical_list: D008187:Lutetium; D013932:Thulium; D005459:Fluorides