Spectral splitting in phase mismatched harmonics

Raz Halifa Levi; Ori Ildis; Assaf Levanon; Avner Fleischer; Alon Bahabad; Ishay Pomerantz

doi:10.1364/OE.506705

Spectral splitting in phase mismatched harmonics

Raz Halifa Levi, Ori Ildis, Assaf Levanon, Avner Fleischer, Alon Bahabad, Ishay Pomerantz

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

Abstract

Spectral splitting of high harmonic radiation is observed when a gas target is irradiated with a high-energy laser pulse, having an extreme amount of frequency chirp. The phenomenon, which may be observed only by using a multi-TW laser system, originates from the temporal evolution of the phase-matching conditions. We illustrate how these conditions are mapped to the spectral domain, and present experimental evidence which is validated by our model.

Original language	English
Pages (from-to)	1585-1594
Number of pages	10
Journal	Optics Express
Volume	32
Issue number	2
DOIs	https://doi.org/10.1364/OE.506705
State	Published - 15 Jan 2024

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OE.506705

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abstract = "Spectral splitting of high harmonic radiation is observed when a gas target is irradiated with a high-energy laser pulse, having an extreme amount of frequency chirp. The phenomenon, which may be observed only by using a multi-TW laser system, originates from the temporal evolution of the phase-matching conditions. We illustrate how these conditions are mapped to the spectral domain, and present experimental evidence which is validated by our model.",

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AU - Levi, Raz Halifa

AU - Ildis, Ori

AU - Levanon, Assaf

AU - Fleischer, Avner

AU - Bahabad, Alon

AU - Pomerantz, Ishay

PY - 2024/1/15

Y1 - 2024/1/15

N2 - Spectral splitting of high harmonic radiation is observed when a gas target is irradiated with a high-energy laser pulse, having an extreme amount of frequency chirp. The phenomenon, which may be observed only by using a multi-TW laser system, originates from the temporal evolution of the phase-matching conditions. We illustrate how these conditions are mapped to the spectral domain, and present experimental evidence which is validated by our model.

AB - Spectral splitting of high harmonic radiation is observed when a gas target is irradiated with a high-energy laser pulse, having an extreme amount of frequency chirp. The phenomenon, which may be observed only by using a multi-TW laser system, originates from the temporal evolution of the phase-matching conditions. We illustrate how these conditions are mapped to the spectral domain, and present experimental evidence which is validated by our model.

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M3 - مقالة

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SN - 1094-4087

VL - 32

SP - 1585

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JO - Optics Express

JF - Optics Express

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Spectral splitting in phase mismatched harmonics

Abstract

All Science Journal Classification (ASJC) codes

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