0.35% THz pulse conversion efficiency achieved by Ti:sapphire femtosecond laser filamentation in argon at 1 kHz repetition rate

Artículo

0.35% THz pulse conversion efficiency achieved by Ti:sapphire femtosecond laser filamentation in argon at 1 kHz repetition rate

Zhiqiang Yu et al · Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China · 2022

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Autor / responsable

Zhiqiang Yu et al

Editorial

Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China

Año

2022

ISSN

2096-4579

ISSN

2096-4579

Idioma

Inglés

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In this study, an optical setup for generating terahertz (THz) pulses through a two-color femtosecond laser filament was carefully designed to achieve a precise overlap of two-color laser pulses in space and time. β-barium borate (BBO), α-BBO, and a dual-wavelength plate were used to compensate the phase delay of the two-color lasers. Tilting of α-BBO could further realize the precise spatial overlap of the two beams by counteracting the walk-off effect. The maximum output THz pulse energy reached 21 μJ in argon gas when using a commercial Ti:sapphire laser with a pulse energy of 6 mJ at a 1 kHz repetition rate. The corresponding conversion efficiency exceeded 0.35%.

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APA 7

al, Z. Y. E. (2022). 0.35% THz pulse conversion efficiency achieved by Ti:sapphire femtosecond laser filamentation in argon at 1 kHz repetition rate. https://doi.org/10.29026/oea.2022.210065

MLA

al, Zhiqiang Yu et. "0.35% THz pulse conversion efficiency achieved by Ti:sapphire femtosecond laser filamentation in argon at 1 kHz repetition rate." 2022. https://doi.org/10.29026/oea.2022.210065.

Chicago

al, Zhiqiang Yu et. 2022. "0.35% THz pulse conversion efficiency achieved by Ti:sapphire femtosecond laser filamentation in argon at 1 kHz repetition rate.". https://doi.org/10.29026/oea.2022.210065.

Harvard

al, Z. Y. E. 2022, 0.35% THz pulse conversion efficiency achieved by Ti:sapphire femtosecond laser filamentation in argon at 1 kHz repetition rate, Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China, available at: https://doi.org/10.29026/oea.2022.210065 [Accessed 8 Aug. 2026].

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Título: 0.35% THz pulse conversion efficiency achieved by Ti:sapphire femtosecond laser filamentation in argon at 1 kHz repetition rate

Autor / colaboradores: Zhiqiang Yu et al

Editorial: Editorial Office of Opto-Electronic Journals Group, Institute of Optics and Electronics, CAS, China

Año de publicación: 2022

ISSN: 2096-4579

ISSN: 2096-4579

Idioma: Inglés

Materias

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femtosecond laser filaments; walk-off effect; conversion efficiency