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Lithium Niobate LN for THz generation by using non collinear optical rectification
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Lithium Niobate (LN) for THz generation by using non collinear optical rectification - request a quote at [email protected] • We have currently in stock Terahertz MgO:LiNbO3 crystal prisms with pulse front tilt PFT angle 63 degrees • 1. Aperture size 10x10 • 2. MgO doping level - 0.6%, 1% - please indicate your choice • 3. AR coat for 800nm, 1030nm, or BBAR - please indicate your choice • Featured research: • Highly Efficient THz Generation • Mechanisms for generating highly efficient THz radiation by using optical rectification • – non collinear optical rectification • • lithium niobate (LN), lithium tantalate (LT), GaAs • – collinear optical rectification • • ZnTe, GaP, organic crystals • • Goal: • – highly efficient THz single-cycle pulse in the regime of 0.1 - 1 THz • – characterization of the nonlinear optical materials in sub THz regime • • Lithium niobate known as promising material • – high susceptibility • – non collinear phase matching • Phase matching in LiNbO3 for OR • • Grating induces a pulse-front tilt • – Image of grating in the crystal • – Higher peak intensity on the crystal • • Enhancement of efficiency due to cascading of pump pulse • Pulse Front Tilting of the Intensity Front • J. Hebling et. al (2002), S.W. Huang et al. (2013) 4 • Bulk Lithium Niobate • Efficient THz Generation at 1.03µm • • Extracted THz beam • – Conversion efficiency • • 0.72% at room temperature • • 2% at cryogenic temperature • – 68µJ THz energy • – 0.2 GV/m THz field strength • – Nearly diffraction-limited Gaussian beams • • Efficiency enhancement at cryogenic temperature due to • – lower THz absorption • – longer propagation length • https://bib-pubdb1.desy.de/record/293...
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