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Single-cycle scalable terahertz pulse source in reflection geometry
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DOI：10.1364/OE.27.030681.png)
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Abstract
En 中文
A tilted-pulse-front pumped terahertz pulse source is proposed for the generation of extremely high field single-cycle terahertz pulses. The very simple and compact source consists of a single crystal slab having a blazed reflection grating grooved in its back surface. Its further important advantages are the energy scalability and the symmetric THz beam profile. Generation of similar to 50 MV/cm focused field with 10.8 mJ terahertz pulse energy is predicted for a 7 cm diameter LiNbO3 crystal, if the pump pulse is of 870 mJ energy, 1030 nm central wavelength and 1 ps pulse duration. Such sources can decisively promote the realization of THz driven electron and proton accelerators and open the way for a new generation concept of terahertz pulses having extreme high field. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Keywords:
THZ GENERATION
SETUP
OPTIMIZATION
DESIGN
LINBO3