Key points are not available for this paper at this time.
The nonlinear optical crystal KBe2BO3F2 has been used to produce vacuum ultraviolet second-harmonic generation with an output range of 200–184.7 nm. The Sellmeier equation further indicates that this new crystal can generate the sixth harmonic from Nd-based laser systems.
Chen et al. (Mon,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: