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Test of HHG chambers for seeding at SPARC

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Title: Test of HHG chambers for seeding at SPARC
Authors: Labat, M.1,2 marie.labat@synchrotron-soleil.fr, Tcherbakoff, O.1, Lambert, G.1,2, Garzella, D.1, Carre, B.1, Couprie, M.E.2
Source: Nuclear Instruments & Methods in Physics Research Section A. Aug2008, Vol. 593 Issue 1/2, p26-29. 4p.
Subjects: Lasers, Light amplifiers, Optoelectronic devices, Electrical harmonics
Abstract: Abstract: We propose to use High Order Harmonic Generation (HHG) in gases to seed the SPARC FEL (Frascati, Italy) in the high gain harmonic generation configuration. HHG produces a coherent XUV source by focussing an intense laser pulse into a gas medium. This output radiation is composed of fundamental and odd harmonics of the laser. Dedicated chambers have been realized and tested at the CEA (Saclay, France). They allow generation and shaping of the harmonic beam for further focussing at variable position. A final periscope will allow the injection of the selected harmonics inside the first section of the undulator. The SPARC facility will deliver an electron beam at 200MeV, passing through a six sections long undulator. Injection of the third and fifth harmonics (266 and 114nm) is foreseen. Nonlinear harmonics could enable to reach 32nm. In this paper, we present the tests performed on the seeding chambers, as well as simulations of the expected performances of the HHG seeded FEL. [Copyright &y& Elsevier]
Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Test of HHG chambers for seeding at SPARC
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  Data: <searchLink fieldCode="JN" term="%22Nuclear+Instruments+%26+Methods+in+Physics+Research+Section+A%22">Nuclear Instruments & Methods in Physics Research Section A</searchLink>. Aug2008, Vol. 593 Issue 1/2, p26-29. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Lasers%22">Lasers</searchLink><br /><searchLink fieldCode="DE" term="%22Light+amplifiers%22">Light amplifiers</searchLink><br /><searchLink fieldCode="DE" term="%22Optoelectronic+devices%22">Optoelectronic devices</searchLink><br /><searchLink fieldCode="DE" term="%22Electrical+harmonics%22">Electrical harmonics</searchLink>
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  Data: Abstract: We propose to use High Order Harmonic Generation (HHG) in gases to seed the SPARC FEL (Frascati, Italy) in the high gain harmonic generation configuration. HHG produces a coherent XUV source by focussing an intense laser pulse into a gas medium. This output radiation is composed of fundamental and odd harmonics of the laser. Dedicated chambers have been realized and tested at the CEA (Saclay, France). They allow generation and shaping of the harmonic beam for further focussing at variable position. A final periscope will allow the injection of the selected harmonics inside the first section of the undulator. The SPARC facility will deliver an electron beam at 200MeV, passing through a six sections long undulator. Injection of the third and fifth harmonics (266 and 114nm) is foreseen. Nonlinear harmonics could enable to reach 32nm. In this paper, we present the tests performed on the seeding chambers, as well as simulations of the expected performances of the HHG seeded FEL. [Copyright &y& Elsevier]
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  Label:
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  Data: <i>Copyright of Nuclear Instruments & Methods in Physics Research Section A is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.nima.2008.04.043
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