MgO:LN crystal
MgO-Doped Lithium Niobate (MgO:LN) Crystals is the most dominant nonlinear crystalline material for terahertz (THz) coherent radiation in both commercial instrumentation and fundamental research.Compatible with nanosecond, picosecond and femtosecond pump regimes, covering all mainstream THz source types: continuous-wave, narrowband tunable pulses and ultrabroadband high-field transients. MgO-Doped Lithium Niobate (MgO:LN) Crystals have an effective nonlinear coefficient around 13.8 pm/V, substantially superior to ZnTe, KTP and LiTaO₃, delivering high nonlinear gain and enhanced THz conversion efficiency. It also have a THz transmission window from 0.1–7 THz and strong lattice vibrational absorption emerges above 7 THz. Default cut: Y-cut, 63° Z-face tilted cut for tilted-wavefront phase matching. Available aperture size: up to 60x60 mm; longer interaction lengths yield higher THz gain and pulse energy. DIENTECH offers SLN elevated nonlinear coefficient of 17.5 pm/V, reduced intrinsic THz absorption and amplified Raman gain. Its THz output energy reaches ~2.7 times that of conventional congruent MgO:CLN under identical pumping conditions, while exhibiting slightly weaker photorefractive resistance.
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