Quasi-phase matching of third harmonic generation in corrugated discharge capillary

Y. Katzir; Y. Ferber; E. Megidish; A. Zigler; H. M. Milchberg

doi:10.1016/j.nima.2010.12.141

Quasi-phase matching of third harmonic generation in corrugated discharge capillary

Y. Katzir^*, Y. Ferber, E. Megidish, A. Zigler, H. M. Milchberg

^*Corresponding author for this work

Racah Institute of Physics

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

Abstract

Quasi-phase matching third harmonic of Ti:sapphire laser was measured by propagation through corrugated discharge capillaries. The 1 cm long capillary with periodical varying inner radius was used with corrugation frequency of 200 μm. The longitudinal plasma density was periodically varied by a discharge current ablating the inner capillary walls, altering the refractive index accordingly. Average plasma density measured was 10¹⁸ cm^-3 at minimum corrugation radius. Peak laser intensity was 10¹⁰ W/cm² allowing enough pondermotive energy to the electron for high harmonic generation.

Original language	English
Pages (from-to)	150-152
Number of pages	3
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	653
Issue number	1
DOIs	https://doi.org/10.1016/j.nima.2010.12.141
State	Published - 11 Oct 2011

Keywords

Capillary
HHG
High harmonic generation
Plasma
Quasi-phase matching

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10.1016/j.nima.2010.12.141

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title = "Quasi-phase matching of third harmonic generation in corrugated discharge capillary",

abstract = "Quasi-phase matching third harmonic of Ti:sapphire laser was measured by propagation through corrugated discharge capillaries. The 1 cm long capillary with periodical varying inner radius was used with corrugation frequency of 200 μm. The longitudinal plasma density was periodically varied by a discharge current ablating the inner capillary walls, altering the refractive index accordingly. Average plasma density measured was 1018 cm-3 at minimum corrugation radius. Peak laser intensity was 1010 W/cm2 allowing enough pondermotive energy to the electron for high harmonic generation.",

keywords = "Capillary, HHG, High harmonic generation, Plasma, Quasi-phase matching",

author = "Y. Katzir and Y. Ferber and E. Megidish and A. Zigler and Milchberg, {H. M.}",

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Quasi-phase matching of third harmonic generation in corrugated discharge capillary. / Katzir, Y.; Ferber, Y.; Megidish, E. et al.
In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 653, No. 1, 11.10.2011, p. 150-152.

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

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T1 - Quasi-phase matching of third harmonic generation in corrugated discharge capillary

AU - Katzir, Y.

AU - Ferber, Y.

AU - Megidish, E.

AU - Zigler, A.

AU - Milchberg, H. M.

PY - 2011/10/11

Y1 - 2011/10/11

N2 - Quasi-phase matching third harmonic of Ti:sapphire laser was measured by propagation through corrugated discharge capillaries. The 1 cm long capillary with periodical varying inner radius was used with corrugation frequency of 200 μm. The longitudinal plasma density was periodically varied by a discharge current ablating the inner capillary walls, altering the refractive index accordingly. Average plasma density measured was 1018 cm-3 at minimum corrugation radius. Peak laser intensity was 1010 W/cm2 allowing enough pondermotive energy to the electron for high harmonic generation.

AB - Quasi-phase matching third harmonic of Ti:sapphire laser was measured by propagation through corrugated discharge capillaries. The 1 cm long capillary with periodical varying inner radius was used with corrugation frequency of 200 μm. The longitudinal plasma density was periodically varied by a discharge current ablating the inner capillary walls, altering the refractive index accordingly. Average plasma density measured was 1018 cm-3 at minimum corrugation radius. Peak laser intensity was 1010 W/cm2 allowing enough pondermotive energy to the electron for high harmonic generation.

KW - Capillary

KW - HHG

KW - High harmonic generation

KW - Plasma

KW - Quasi-phase matching

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JF - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

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ER -

Quasi-phase matching of third harmonic generation in corrugated discharge capillary

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