IPAC2022 - List of Authors (Hommelhoff, P.)

Paper	Title	Page
MOIYGD1	Progress in Developing an Accelerator on a Chip	16
	R.J. England SLAC, Menlo Park, California, USA R.L. Byer Stanford University, Stanford, California, USA P. Hommelhoff University of Erlangen-Nuremberg, Erlangen, Germany
	Acceleration of particles in photonic structures fabricated using semiconductor manufacturing techniques and driven by ultrafast solid state lasers is a new and promising approach to developing future generations of compact particle accelerators. Substantial progress has been made in this area in recent years, fueled by a growing international collaboration of universities, national laboratories, and companies. Performance of these micro-accelerator devices is ultimately limited by laser-induced material breakdown limits, which can be substantially higher for optically driven dielectrics than for radio-frequency metallic cavities traditionally used in modern particle accelerators, allowing for 1 to 2 order of magnitude increase in achievable accelerating fields. The lasers required for this approach are commercially available with moderate (microJoule class) pulse energies and repetition rates in the MHz regime. We summarize progress to date and outline potential near-term applications and offshoot technologies.
	Slides MOIYGD1 [13.851 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2022-MOIYGD1
About •	Received ※ 03 June 2022 — Revised ※ 13 June 2022 — Accepted ※ 17 June 2022 — Issue date ※ 24 June 2022
Cite •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

TUPOST049	Simulation Study for an Inverse Designed Narrowband THz Radiator for Ultrarelativistic Electrons	973
	G. Yadav, C.P. Welsch The University of Liverpool, Liverpool, United Kingdom T. Feurer Universität Bern, Institute of Applied Physics, Bern, Switzerland U. Haeusler, A. Kirchner FAU, Erlangen, Germany B. Hermann, R. Ischebeck PSI, Villigen PSI, Switzerland P. Hommelhoff University of Erlangen-Nuremberg, Erlangen, Germany C.P. Welsch Cockcroft Institute, Warrington, Cheshire, United Kingdom
	THz radiation has many applications, including medical physics, pump-probe experiments, communications, and security systems. Dielectric grating structures can be used to generate cost-effective and beam synchronous THz radiation based on the Smith Purcell effect. We present a 3-D finite difference time domain (FDTD) simulation study for the THz radiation emitted from an inverse designed grating structure after a 3 GeV electron bunch traverses through it. Our farfield simulation results show a narrowband emission spectrum centred around 881 um, close to the designed value of 900 um. The grating structure was experimentally tested at the SwissFEL facility, and our simulated spectrum shows good agreement with the observed one.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2022-TUPOST049
About •	Received ※ 08 June 2022 — Revised ※ 10 June 2022 — Accepted ※ 11 June 2022 — Issue date ※ 12 June 2022
Cite •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

Progress in Developing an Accelerator on a Chip

16

R.J. England
SLAC, Menlo Park, California, USA
R.L. Byer
Stanford University, Stanford, California, USA
P. Hommelhoff
University of Erlangen-Nuremberg, Erlangen, Germany

Acceleration of particles in photonic structures fabricated using semiconductor manufacturing techniques and driven by ultrafast solid state lasers is a new and promising approach to developing future generations of compact particle accelerators. Substantial progress has been made in this area in recent years, fueled by a growing international collaboration of universities, national laboratories, and companies. Performance of these micro-accelerator devices is ultimately limited by laser-induced material breakdown limits, which can be substantially higher for optically driven dielectrics than for radio-frequency metallic cavities traditionally used in modern particle accelerators, allowing for 1 to 2 order of magnitude increase in achievable accelerating fields. The lasers required for this approach are commercially available with moderate (microJoule class) pulse energies and repetition rates in the MHz regime. We summarize progress to date and outline potential near-term applications and offshoot technologies.

Slides MOIYGD1 [13.851 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2022-MOIYGD1

About •

Received ※ 03 June 2022 — Revised ※ 13 June 2022 — Accepted ※ 17 June 2022 — Issue date ※ 24 June 2022

Cite •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

TUPOST049

Simulation Study for an Inverse Designed Narrowband THz Radiator for Ultrarelativistic Electrons

973

G. Yadav, C.P. Welsch
The University of Liverpool, Liverpool, United Kingdom
T. Feurer
Universität Bern, Institute of Applied Physics, Bern, Switzerland
U. Haeusler, A. Kirchner
FAU, Erlangen, Germany
B. Hermann, R. Ischebeck
PSI, Villigen PSI, Switzerland
P. Hommelhoff
University of Erlangen-Nuremberg, Erlangen, Germany
C.P. Welsch
Cockcroft Institute, Warrington, Cheshire, United Kingdom

THz radiation has many applications, including medical physics, pump-probe experiments, communications, and security systems. Dielectric grating structures can be used to generate cost-effective and beam synchronous THz radiation based on the Smith Purcell effect. We present a 3-D finite difference time domain (FDTD) simulation study for the THz radiation emitted from an inverse designed grating structure after a 3 GeV electron bunch traverses through it. Our farfield simulation results show a narrowband emission spectrum centred around 881 um, close to the designed value of 900 um. The grating structure was experimentally tested at the SwissFEL facility, and our simulated spectrum shows good agreement with the observed one.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2022-TUPOST049

About •

Received ※ 08 June 2022 — Revised ※ 10 June 2022 — Accepted ※ 11 June 2022 — Issue date ※ 12 June 2022

Cite •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)