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Your search keyword '"Anastasios D. Koulouklidis"' showing total 2 results
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2 results on '"Anastasios D. Koulouklidis"'

1. Highly Efficient THz Generation by Mid-IR Pulses

Author

Mostafa Shalaby, Andrius Baltuška, Claudia Gollner, Valentina Shumakova, Anastasios D. Koulouklidis, Audrius Pugžlys, Vladimir Yu. Fedorov, Corinne Brodeur, and Stelios Tzortakis

Subjects
Optical rectification, Materials science, business.industry, Terahertz radiation, Electric field, Bandwidth (signal processing), Energy conversion efficiency, Optoelectronics, Plasma, business, Phase matching
Abstract

We report on THz generation driven by 3.9 µm pulses, via either optical rectification in organic crystals or in two-color plasma filaments. Outstanding THz conversion efficiency of more than 2% and bandwidth exceeding 15 THz are achieved.

Published
2019
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2. Enhancing THz radiation from two-color laser-induced air-plasma by using abruptly autofocusing beams

Author

Xi-Cheng Zhang, Kang Liu, Dimitrios G. Papazoglou, Stelios Tzortzakis, and Anastasios D. Koulouklidis

Subjects
Materials science, business.industry, Terahertz radiation, Gaussian, Second-harmonic generation, Plasma, Low frequency, Laser, Ambient air, law.invention, symbols.namesake, Optics, Physics::Plasma Physics, law, Thz radiation, Physics::Space Physics, symbols, Physics::Accelerator Physics, business
Abstract

By using abruptly autofocusing beams, as opposed to the conventional Gaussian beams, to generate plasma in the ambient air, an enhancement of the terahertz radiation from the plasma in the low frequency region is observed.

Published
2016
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