Pump pulse width and temperature effects in lithium niobate for efficient THz generation

C. Vicario, B. Monoszlai, Cs Lombosi, A. Mareczko, A. Courjaud, J. A. Fúlóp, C. P. Hauri

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Abstract

We present a study on THz generation in lithium niobate pumped by a powerful and versatile Yb:CaF2 laser. The unique laser system delivers transform-limited pulses of variable duration (0.38-0.65 ps) with pulse energies up to 15 mJ and center wavelength of 1030 nm. From previous theoretical investigations, it is expected that such laser parameters are ideally suited for efficient THz generation. Here, we present experimental results on both the conversion efficiency and the THz spectral shape for variable pump pulse durations and for different crystal temperatures, down to 25 K. We experimentally verify the optimum pump parameters for the most efficient and broadband THz generation.

Original languageEnglish
Pages (from-to)5373-5376
Number of pages4
JournalOptics Letters
Volume38
Issue number24
DOIs
Publication statusPublished - Dec 15 2013

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ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Vicario, C., Monoszlai, B., Lombosi, C., Mareczko, A., Courjaud, A., Fúlóp, J. A., & Hauri, C. P. (2013). Pump pulse width and temperature effects in lithium niobate for efficient THz generation. Optics Letters, 38(24), 5373-5376. https://doi.org/10.1364/OL.38.005373