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Velocity matching by pulse front tilting for large area THz-pulse generation

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Hebling, Janos, Almasi, Gabor, Kozma, Ida, Kuhl, Jurgen·2002·Optics Express

Abstract

We propose a generally applicable velocity matching method for THz-pulse generation by optical rectification in the range below the phonon frequency of the nonlinear material. Velocity matching is based on pulse front tilting of the ultrashort excitation pulse and is able to produce a large area THz beam. Tuning of the THz radiation by changing the tilt angle is experimentally demonstrated for a narrow line in the range between 0.8- 0.97 times the phonon frequency. According to model calculations broadband THz radiation can be generated at lower frequencies. Advantages of the new velocity matching technique in comparison to the electro-optic Cherenkov effect and non-collinear beam mixing are discussed.

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Metadata

Authors
Hebling, J., Almasi, G., Kozma, I., & Kuhl, J.
Venue
Optics Express
Published
2002-10-21
Volume
10
Issue
21
Pages
1161
ISSN
1094-4087 (ISSN-L)
OpenAlex
W2059677526
Cited by
855
References
0
FWCI
3.86
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Velocity matching by pulse front tilting for large area THz-pulse generation. https://app.cochat.ai/papers/10.1364/oe.10.001161
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Hebling, J., Almasi, G., Kozma, I., & Kuhl, J. (2002). Velocity matching by pulse front tilting for large area THz-pulse generation. Optics Express. https://doi.org/10.1364/oe.10.001161

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.