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BaGa4Se7: a new congruent-melting IR nonlinear optical material.
This new material is a very promising NLO crystal for practical application in the IR region and exhibits a second harmonic generation response at 1 μm that is approximately 2-3 times that of the benchmark material AgGaS(2).
Metal Thiophosphates with Good Mid-infrared Nonlinear Optical Performances: A First-Principles Prediction and Analysis.
Several metal thiophosphate compounds are highlighted to exhibit good mid-IR NLO performances, as supported by the primary experimental results, which would greatly promote the development of the mid- IR NLO functional materials.
Midinfrared Nonlinear Optical Thiophosphates from LiZnPS4 to AgZnPS4: A Combined Experimental and Theoretical Study.
The combination of experimental and theoretical study demonstrates that AgZnPS4 exhibits a much stronger NLO effect than that of LiZn PS4 despite the relatively smaller energy band gap, and allows it to possess much better overall performance for the practical mid-IR NLO applications.
Ultraviolet nonlinear optical crystal: CsBe 2 BO 3 F 2
A new ultraviolet nonlinear optical crystal CsBe2BO3F2 has been grown by the flux method with relatively greater size and thickness along the z axis. The crystal structure was determined by
High power, tunable mid-infrared BaGa4Se7 optical parametric oscillator pumped by a 2.1 μm Ho:YAG laser.
For the first time, a tunable mid-infrared BaGa4Se7-based optical parametric oscillator pumped by a acousto-optical Q-switched Ho:YAG laser at 2090.6 nm is demonstrated.
Potassium zinc borate, KZnB3O6
The title compound, KZnB3O6 contains a remarkable [B6O12]6− group ( symmetry) formed by two rings linked by edge-sharing BO4 tetrahedra, a feature that has only been observed previously under high
Synthesis, Structure, Physical Properties, and Electronic Structure of KGaSe2.
High quality single crystals of the title compound are synthesized by solid state reaction of K2Se and Ga2Se3 (sealed silica tube, 800 °C, 72 h) and characterized by single crystal XRD, IR
NaSr3Be3B3O9F4: a promising deep-ultraviolet nonlinear optical material resulting from the cooperative alignment of the [Be3B3O12F](10-) anionic group.
After more than ten years of intensive research in this group, the KBe2BO3F2 [16–18] (KBBF) crystal became the first practically usable deep-UV NLO crystal used to generate coherent 177.3 and 193 nm light.