Demonstration of a tilted-pulse-front pumped plane-parallel slab terahertz source

Priyo Syamsul Nugraha, Gergo Krizsán, Csaba Lombosi, L. Pálfalvi, György Tóth, G. Almási, J. Fülöp, J. Hebling

Research output: Article

17 Citations (Scopus)

Abstract

A new type of tilted-pulse-front pumped terahertz (THz) source has been demonstrated, which is based on a LiNbO 3 plane-parallel slab with an echelon structure on its input surface. Single-cycle pulses of 1 μJ energy and 0.30 THz central frequency have been generated with 5 × 10 −4 efficiency from such a source. One order-of-magnitude increase in efficiency is expected by pumping a cryogenically cooled echelon of increased size and thickness with a Ti:sapphire laser. The use of a plane-parallel nonlinear optical crystal slab enables straightforward scaling to high THz pulse energies and the production of a symmetric THz beam with a uniform pulse shape for good focusability and high field strength.

Original languageEnglish
Pages (from-to)1023-1026
Number of pages4
JournalOptics Letters
Volume44
Issue number4
DOIs
Publication statusPublished - febr. 15 2019

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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