A mirror-less, multi-beam photonic free-electron laser oscillator pumped far beyond threshold

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Abstract

In a photonic free-electron laser electrons are transmitted through a photonic crystal in the form of one or multiple electron beams to generate coherent Cerenkov radiation. Here we consider a photonic-crystal slab consisting of a two-dimensional, periodic array of bars inside a rectangular waveguide, with both ends tapered to provide complete transmission of an electromagnetic wave. By appropriately designing the photonic-crystal slab, we obtain a backward wave interaction at low electron beam energy of around 15 kV, that results in distributed feedback of the radiation on the electrons without any external mirrors being present. Here we numerically study the dynamics of the laser oscillator when pumped far beyond threshold with one or multiple electron beams. We show that using multiple beams with the same total current provide better suppression of higher-order modes and can produce more output power, compared to the laser pumped by a single beam of the same total current.
Original languageEnglish
Title of host publicationFEL 2015
Subtitle of host publication37th International Free Electron Laser Conference, Daejeon, Korea, 23-28 August 2015
EditorsHeung-Sik Kang, Dong Eon Kim, Volker R.W. Schaa
Place of PublicationGeneva
PublisherJoint Accelerator Conferences Website
Pages334-337
ISBN (Print)978-3-95450-134-2
DOIs
Publication statusPublished - 23 Aug 2015
Event37th International Free Electron Laser Conference, FEL 2015 - Daejeon Convention Center, Daejeon, Korea, Republic of
Duration: 23 Aug 201528 Aug 2015
Conference number: 37

Conference

Conference37th International Free Electron Laser Conference, FEL 2015
Abbreviated titleFEL
CountryKorea, Republic of
CityDaejeon
Period23/08/1528/08/15

Fingerprint

free electron lasers
oscillators
photonics
mirrors
thresholds
electron beams
slabs
Cerenkov radiation
crystals
backward waves
rectangular waveguides
wave interaction
lasers
electromagnetic radiation
electrons
retarding
output
radiation
energy

Cite this

Strooisma, A., van der Slot, P. J. M., & Boller, K. J. (2015). A mirror-less, multi-beam photonic free-electron laser oscillator pumped far beyond threshold. In H-S. Kang, D. E. Kim, & V. R. W. Schaa (Eds.), FEL 2015: 37th International Free Electron Laser Conference, Daejeon, Korea, 23-28 August 2015 (pp. 334-337). Geneva: Joint Accelerator Conferences Website. https://doi.org/10.18429/JACoW-FEL2015-TUP005
Strooisma, A. ; van der Slot, P.J.M. ; Boller, K.J. / A mirror-less, multi-beam photonic free-electron laser oscillator pumped far beyond threshold. FEL 2015: 37th International Free Electron Laser Conference, Daejeon, Korea, 23-28 August 2015. editor / Heung-Sik Kang ; Dong Eon Kim ; Volker R.W. Schaa. Geneva : Joint Accelerator Conferences Website, 2015. pp. 334-337
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abstract = "In a photonic free-electron laser electrons are transmitted through a photonic crystal in the form of one or multiple electron beams to generate coherent Cerenkov radiation. Here we consider a photonic-crystal slab consisting of a two-dimensional, periodic array of bars inside a rectangular waveguide, with both ends tapered to provide complete transmission of an electromagnetic wave. By appropriately designing the photonic-crystal slab, we obtain a backward wave interaction at low electron beam energy of around 15 kV, that results in distributed feedback of the radiation on the electrons without any external mirrors being present. Here we numerically study the dynamics of the laser oscillator when pumped far beyond threshold with one or multiple electron beams. We show that using multiple beams with the same total current provide better suppression of higher-order modes and can produce more output power, compared to the laser pumped by a single beam of the same total current.",
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Strooisma, A, van der Slot, PJM & Boller, KJ 2015, A mirror-less, multi-beam photonic free-electron laser oscillator pumped far beyond threshold. in H-S Kang, DE Kim & VRW Schaa (eds), FEL 2015: 37th International Free Electron Laser Conference, Daejeon, Korea, 23-28 August 2015. Joint Accelerator Conferences Website, Geneva, pp. 334-337, 37th International Free Electron Laser Conference, FEL 2015, Daejeon, Korea, Republic of, 23/08/15. https://doi.org/10.18429/JACoW-FEL2015-TUP005

A mirror-less, multi-beam photonic free-electron laser oscillator pumped far beyond threshold. / Strooisma, A.; van der Slot, P.J.M.; Boller, K.J.

FEL 2015: 37th International Free Electron Laser Conference, Daejeon, Korea, 23-28 August 2015. ed. / Heung-Sik Kang; Dong Eon Kim; Volker R.W. Schaa. Geneva : Joint Accelerator Conferences Website, 2015. p. 334-337.

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademic

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T1 - A mirror-less, multi-beam photonic free-electron laser oscillator pumped far beyond threshold

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AU - Boller, K.J.

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Y1 - 2015/8/23

N2 - In a photonic free-electron laser electrons are transmitted through a photonic crystal in the form of one or multiple electron beams to generate coherent Cerenkov radiation. Here we consider a photonic-crystal slab consisting of a two-dimensional, periodic array of bars inside a rectangular waveguide, with both ends tapered to provide complete transmission of an electromagnetic wave. By appropriately designing the photonic-crystal slab, we obtain a backward wave interaction at low electron beam energy of around 15 kV, that results in distributed feedback of the radiation on the electrons without any external mirrors being present. Here we numerically study the dynamics of the laser oscillator when pumped far beyond threshold with one or multiple electron beams. We show that using multiple beams with the same total current provide better suppression of higher-order modes and can produce more output power, compared to the laser pumped by a single beam of the same total current.

AB - In a photonic free-electron laser electrons are transmitted through a photonic crystal in the form of one or multiple electron beams to generate coherent Cerenkov radiation. Here we consider a photonic-crystal slab consisting of a two-dimensional, periodic array of bars inside a rectangular waveguide, with both ends tapered to provide complete transmission of an electromagnetic wave. By appropriately designing the photonic-crystal slab, we obtain a backward wave interaction at low electron beam energy of around 15 kV, that results in distributed feedback of the radiation on the electrons without any external mirrors being present. Here we numerically study the dynamics of the laser oscillator when pumped far beyond threshold with one or multiple electron beams. We show that using multiple beams with the same total current provide better suppression of higher-order modes and can produce more output power, compared to the laser pumped by a single beam of the same total current.

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M3 - Conference contribution

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BT - FEL 2015

A2 - Kang, Heung-Sik

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Strooisma A, van der Slot PJM, Boller KJ. A mirror-less, multi-beam photonic free-electron laser oscillator pumped far beyond threshold. In Kang H-S, Kim DE, Schaa VRW, editors, FEL 2015: 37th International Free Electron Laser Conference, Daejeon, Korea, 23-28 August 2015. Geneva: Joint Accelerator Conferences Website. 2015. p. 334-337 https://doi.org/10.18429/JACoW-FEL2015-TUP005