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Tilted-pulse-front-pumping[TPFP]lithium-niobate terahertz[THz]pulse sources are widely used in pump-probe and control experiments since they can generate broadband THz pulses with tens of microjoules of energy.However,the conventional TPFP setup suffers from limitations,hindering the generation of THz pulses with peak electric field strength over 1 MV/cm.Recently,a few setups were suggested to mitigate or even eliminate these limitations.In this paper,we shortly review the setups that are suitable for the generation of single-cycle THz pulses with up to a few tens of megavolts/centimeter focused electric field strength.The THz pulses available with the new layouts pave the way for previously unattainable applications that require extremely high electric field strength and pulse energy in the multi-millijoule range.