Modelling mirror aberrations in FEL oscillators using OPC

Petrus J.M. van der Slot; J.G. Karssenberg; Klaus J. Boller

Modelling mirror aberrations in FEL oscillators using OPC

Petrus J.M. van der Slot, J.G. Karssenberg, Klaus J. Boller

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Abstract

Several high power free-electron lasers (FELs) are currently under design, operational or being upgraded. One central issue is the beam outcoupling and mirror deformation due to absorbed power. Here we present an extension to the OPC code that allows it to model mirror distorions. We use this code to model the high average power vacuum ultra violet FEL oscillator of the 4th generation light source. Both Genesis 1.3 and Medusa are used to calculate the gain provided by the undulator. Our findings indicate that the high gain oscillator is quite resilient to thermal mirror deformation and operation well into the kW range of average power can be expected.

Original language	English
Pages	207-210
Number of pages	4
Publication status	Published - 2007
Event	29th International Free-Electron Laser Conference, FEL 2007 - Novosibirsk, Russian Federation Duration: 26 Aug 2007 → 31 Aug 2007 Conference number: 29

Conference

Conference	29th International Free-Electron Laser Conference, FEL 2007
Abbreviated title	FEL
Country/Territory	Russian Federation
City	Novosibirsk
Period	26/08/07 → 31/08/07

Keywords

IR-58966

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title = "Modelling mirror aberrations in FEL oscillators using OPC",

abstract = "Several high power free-electron lasers (FELs) are currently under design, operational or being upgraded. One central issue is the beam outcoupling and mirror deformation due to absorbed power. Here we present an extension to the OPC code that allows it to model mirror distorions. We use this code to model the high average power vacuum ultra violet FEL oscillator of the 4th generation light source. Both Genesis 1.3 and Medusa are used to calculate the gain provided by the undulator. Our findings indicate that the high gain oscillator is quite resilient to thermal mirror deformation and operation well into the kW range of average power can be expected.",

keywords = "IR-58966",

author = "{van der Slot}, {Petrus J.M.} and J.G. Karssenberg and Boller, {Klaus J.}",

year = "2007",

language = "English",

pages = "207--210",

note = "29th International Free-Electron Laser Conference, FEL 2007, FEL ; Conference date: 26-08-2007 Through 31-08-2007",

}

TY - CONF

T1 - Modelling mirror aberrations in FEL oscillators using OPC

AU - van der Slot, Petrus J.M.

AU - Karssenberg, J.G.

AU - Boller, Klaus J.

N1 - Conference code: 29

PY - 2007

Y1 - 2007

N2 - Several high power free-electron lasers (FELs) are currently under design, operational or being upgraded. One central issue is the beam outcoupling and mirror deformation due to absorbed power. Here we present an extension to the OPC code that allows it to model mirror distorions. We use this code to model the high average power vacuum ultra violet FEL oscillator of the 4th generation light source. Both Genesis 1.3 and Medusa are used to calculate the gain provided by the undulator. Our findings indicate that the high gain oscillator is quite resilient to thermal mirror deformation and operation well into the kW range of average power can be expected.

AB - Several high power free-electron lasers (FELs) are currently under design, operational or being upgraded. One central issue is the beam outcoupling and mirror deformation due to absorbed power. Here we present an extension to the OPC code that allows it to model mirror distorions. We use this code to model the high average power vacuum ultra violet FEL oscillator of the 4th generation light source. Both Genesis 1.3 and Medusa are used to calculate the gain provided by the undulator. Our findings indicate that the high gain oscillator is quite resilient to thermal mirror deformation and operation well into the kW range of average power can be expected.

KW - IR-58966

M3 - Paper

SP - 207

EP - 210

T2 - 29th International Free-Electron Laser Conference, FEL 2007

Y2 - 26 August 2007 through 31 August 2007

ER -

Modelling mirror aberrations in FEL oscillators using OPC

Abstract

Conference

Keywords

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