Intense THz radiation produced in organic salt crystals for high-field applications

C. Vicario; C. Ruchert; C. P. Hauri

doi:10.1117/12.2010871

12 March 2013 Intense THz radiation produced in organic salt crystals for high-field applications

C. Vicario, C. Ruchert, C. P. Hauri

Proceedings Volume 8604, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XII; 86040C (2013) https://doi.org/10.1117/12.2010871
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

Organic stilbazolium salt crystals pumped by intense, ultrashort mid-infrared laser have been investigated for efficient THz generation by optical rectification. In this paper we present our latest results in view of the generation of single-cycle and high-field THz transient in the THz gap (0.1-10 THz). The organic rectifiers like DAST, OH1 and DSTMS combine extremely large optical susceptibility with excellent velocity matching between the infrared pump and the THz radiation. Our simple collinear conversion scheme provides THz beams with excellent focusing properties and single cycle electric field larger than 1.5 MV/cm and magnetic field strength beyond 0.5 Tesla. The source can potentially cover the full THz gap at field strength which is barely provided by other THz sources. The THz pulse is carrier-envelope phase stable and the polarity of the field can be easily inverted.

Citation Download Citation

C. Vicario, C. Ruchert, and C. P. Hauri "Intense THz radiation produced in organic salt crystals for high-field applications", Proc. SPIE 8604, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XII, 86040C (12 March 2013); https://doi.org/10.1117/12.2010871

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