Soft X-ray: High harmonic generation from ions in a capillary discharge plasma waveguide

David M. Gaudiosi; Brendan Reagan; Tenio Popmintchev; Michael Grisham; Mark Berrill; Oren Cohen; Barry C. Walker; Margaret M. Murnane; Henry C. Kapteyn; Jorge J. Rocca

doi:10.1364/OPN.17.12.000044

Soft X-ray: High harmonic generation from ions in a capillary discharge plasma waveguide

David M. Gaudiosi^*, Brendan Reagan, Tenio Popmintchev, Michael Grisham, Mark Berrill, Oren Cohen, Barry C. Walker, Margaret M. Murnane, Henry C. Kapteyn, Jorge J. Rocca

^*Corresponding author for this work

Research output: Contribution to specialist publication › Article

Abstract

The production of higher photon flux at shorter soft X-ray wavelengths is an important goal in the development of high harmonic generation (HHG) as a light source. The highest energy photons are generated from target atoms that ionize at high laser intensities since HHG is the result of ionization of the nonlinear medium followed by rapid acceleration of the electron in the light field. A capillary discharge creates an ideal medium for HHG from ions by providing a preformed plasma waveguide with tunable density and ionization. The presence of the discharge reduces phase modulation of the driving laser and increases the laser intensity available for harmonic generation. Use of a capillary discharge plasma as a medium for high harmonic generation shows significant increase in harmonic flux and extends efficient harmonic generation to shorter wavelengths.

Original language	English
Pages	44
Number of pages	1
Volume	17
No	12
Specialist publication	Optics and Photonics News
DOIs	https://doi.org/10.1364/OPN.17.12.000044
State	Published - Dec 2006
Externally published	Yes

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abstract = "The production of higher photon flux at shorter soft X-ray wavelengths is an important goal in the development of high harmonic generation (HHG) as a light source. The highest energy photons are generated from target atoms that ionize at high laser intensities since HHG is the result of ionization of the nonlinear medium followed by rapid acceleration of the electron in the light field. A capillary discharge creates an ideal medium for HHG from ions by providing a preformed plasma waveguide with tunable density and ionization. The presence of the discharge reduces phase modulation of the driving laser and increases the laser intensity available for harmonic generation. Use of a capillary discharge plasma as a medium for high harmonic generation shows significant increase in harmonic flux and extends efficient harmonic generation to shorter wavelengths.",

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doi = "10.1364/OPN.17.12.000044",

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AU - Gaudiosi, David M.

AU - Reagan, Brendan

AU - Popmintchev, Tenio

AU - Grisham, Michael

AU - Berrill, Mark

AU - Cohen, Oren

AU - Walker, Barry C.

AU - Murnane, Margaret M.

AU - Kapteyn, Henry C.

AU - Rocca, Jorge J.

PY - 2006/12

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N2 - The production of higher photon flux at shorter soft X-ray wavelengths is an important goal in the development of high harmonic generation (HHG) as a light source. The highest energy photons are generated from target atoms that ionize at high laser intensities since HHG is the result of ionization of the nonlinear medium followed by rapid acceleration of the electron in the light field. A capillary discharge creates an ideal medium for HHG from ions by providing a preformed plasma waveguide with tunable density and ionization. The presence of the discharge reduces phase modulation of the driving laser and increases the laser intensity available for harmonic generation. Use of a capillary discharge plasma as a medium for high harmonic generation shows significant increase in harmonic flux and extends efficient harmonic generation to shorter wavelengths.

AB - The production of higher photon flux at shorter soft X-ray wavelengths is an important goal in the development of high harmonic generation (HHG) as a light source. The highest energy photons are generated from target atoms that ionize at high laser intensities since HHG is the result of ionization of the nonlinear medium followed by rapid acceleration of the electron in the light field. A capillary discharge creates an ideal medium for HHG from ions by providing a preformed plasma waveguide with tunable density and ionization. The presence of the discharge reduces phase modulation of the driving laser and increases the laser intensity available for harmonic generation. Use of a capillary discharge plasma as a medium for high harmonic generation shows significant increase in harmonic flux and extends efficient harmonic generation to shorter wavelengths.

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Soft X-ray: High harmonic generation from ions in a capillary discharge plasma waveguide

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