Fernando Sannibale Web Page



Senior Scientist and

Division Deputy for Accelerator Operations
Advanced Light Source (ALS) Division

ALS Accelerator Physics Program Head
Accelerator Technology & Applied Physics Division

ALS Accelerator Physics Group Leader

Ernest Orlando Lawrence Berkeley National Laboratory
1 Cyclotron Road, Mailstop 80R0114
Berkeley, CA 94720, USA 
Tel. +1 (510) 486-5924
Room 80-228
E-Mail:FSannibale@lbl.gov

Main Research Areas:

Project Websites:

Some Highlights:

Teaching Activity: Selected Publications Click here for the detailed CV and full Publication list
(Last update on July 3, 2023)

- F. Sannibale.
Normal Conducting Photo rf Guns.
Section 7.1.1.5 of the 3rd edition of the Handbook of Accelerator Physics and Engineering by World Scientific Publishing Co Pte Ltd. Published on February 2, 2023.

- F. Sannibale.
High-brightness electron injectors for high-duty cycle X-ray free electron lasers.
Frontiers of Physics 11, 1187346 (2023).

- F. Sannibale, D. Filippetto, H. Qian, C. Mitchell, F. Zhou, T. Vecchione, R. K. Li, S. Gierman, J. Schmerge.
High-brightness beam tests of the Very High Frequency Gun at the Advanced Photo-injector Experiment test facility at the Lawrence Berkeley National Laboratory.
Review of Scientific Instruments 90, 033304 (2019).

- F. Sannibale, D. Filippetto, M. Johnson, D. Li, T. Luo, C. Mitchell, J. Staples, S. Virostek, R. Wells, and J. M. Byrd.
Upgrade possibilities for continuous wave RF electron guns based on room-temperature VHF technology.
Physical Review Accelerators and Beams 20, 113402 (2017)

- F. Sannibale, D. Filippetto, C. F. Papadopoulos, J. Staples, R. Wells, B. Bailey, K. Baptiste,
J. Corlett, C. Cork, S. De Santis, S. Dimaggio, L. Doolittle, J. Doyle, J. Feng, D. Garcia Quintas,
G. Huang, H. Huang, T. Kramasz, S. Kwiatkowski, R. Lellinger, V. Moroz, W. E. Norum,
H. Padmore, C. Pappas, G. Portmann, T. Vecchione, M. Vinco, M. Zolotorev, and F. Zucca.
Advanced photoinjector experiment photogun commissioning results.
Physical Review Special Topics − Accelerators and Beams 15, 103501 (2012).

- F. Sannibale, J. M. Byrd, A. Loftsdottir, M. Venturini, M. Abo-Bakr, J. Feikes, K. Holldack,
P. Kuske, G. Wustefeld, H.-W. Hubers, R. Warnock.
A Model Describing Stable Coherent Synchrotron Radiation in Storage Rings.
Physical Review Letters, Volume 93, Issue 9, 94801, 27 August 2004.
And Virtual Journal of Ultrafast Science, September 2004, Volume 3, Issue 99. LBNL/PUB-890 and SLAC-PUB 10827.

- J. M. Byrd, Z. Hao, M. C. Martin, D. S. Robin, F. Sannibale, R.W. Schoenlein, A. A. Zholents, M. S. Zolotorev.
Laser Seeding of the Storage-Ring Microbunching Instability for High-Power Coherent Terahertz Radiation.
Physical Review Letters 97, 074802 (2006). LBNL-60002.

- F.Sannibale, G. Stupakov, M. Zolotorev, D. Filippetto, L. Jagerhofer.
Absolute bunch length measurements by incoherent radiation fluctuation analysis.
Physical Review Special Topics − Accelerators and Beams 12, 032801 (2009).

- F. Sannibale.
High-brightness high-duty cycle electron injectors.
Nuclear Instruments & Methods in Physics Research A 740, 10 (2014).

- F. Sannibale, D. Filippetto, C. F. Papadopoulos.
Schemes and challenges for electron injectors operating in high repetition rate X-ray FELs.
Journal of Modern Optics 58, 1419 (2011).

- K. Baptiste, J. Corlett, S. Kwiatkowski, S. Lidia, J. Qiang, F. Sannibale, K. Sonnad, J. Staples,
S. Virostek, R. Wells.
A CW normal-conductive RF gun for free electron laser and energy recovery linac applications.
Nuclear Instruments & Methods in Physics Research A 599, 9 (2009).

- D. Filippetto, H. Qian, F. Sannibale.
Cesium Telluride Cathodes for the next generation of high-average current high-brightness photoinjectors.
Applied Review Letters 107, 042104 (2015).

- R. Huang, D. Filippetto,1 C. F. Papadopoulos,1 H. Qian,1 F. Sannibale,1 and M. Zolotorev.
Dark current studies on a normal-conducting high-brightness VHF electron gun operating in continuous wave mode.
Physical Review Special Topics − Accelerators and Beams 18, 013401 (2005).

- J. M. Byrd, W.P. Leemans, A. Loftsdottir, B. Marcelis, M. C. Martin, W. R. McKinney, F .Sannibale, T. Scarvie, C. Steier.
Observation of Broadband Self-Amplified Spontaneous Coherent Terahertz Synchrotron Radiation in a Storage Ring.
Physical Review Letters, Volume 89, Issue 22, 224801, 25 November 2002.
And Virtual Journal of Ultrafast Science, Volume 1, Issue 6, November 2002. LBNL-50459.

- M. S. Zolotorev, E. D. Commins, F. Sannibale.
Proposal for a quantum degenerate electron source.
Physical Review Letters, Volume 98, 184801 (2007). LBNL-60067.

- Fernando Sannibale, Augusto Marcelli and Plinio Innocenzi.
IKNO, a user facility for coherent terahertz and UV synchrotron radiation.
Journal of Synchrotron Radiation 15, 655 (2008).

- J. M. Byrd, Z. Hao, M. C. Martin, D. S. Robin, F. Sannibale, R.W. Schoenlein, A. A. Zholents, M. S. Zolotorev.
Tailored terahertz pulses from a laser-modulated electron beam.
Physical Review Letters, Volume 96, 164801 (2006). LBNL-58991.

- J. M. Byrd, M. C. Martin, W. R. McKinney, D. V. Munson, H. Nishimura, D. S. Robin , F .Sannibale, R.D. Schlueter,
W. G. Thur, J. Y. Jung, and W. Wan.
CIRCE: A Dedicated Storage Ring for Coherent THz Synchrotron Radiation.
Infrared Physics & Technology 45 (2004) 325-330. LBNL-53699.

- G.Mazzitelli, A. Ghigo, F.Sannibale, P. Valente, G. Vignola.
Commissioning of the DAFNE Beam Test Facility.
Nuclear Instruments & Methods in Physics Research A 515 (2003) 524-542.

- G.Mazzitelli, F.Sannibale, F. Cervelli, T. Lomtadze, M. Serio, G. Vignola.
Single Bremsstrahlung luminosity measurements at DAFNE.
Nuclear Instruments & Methods in Physics Research A 486 (2002) 568-589.

- A. Vignati, F.Sannibale.
A pepper-pot emittance meter for low energy and high current electron beams.
Nuclear Instruments & Methods in Physics Research B 66 (1992) 503-507.

- F. Wang, D. Cheever, M. Farkhondeh, W. Franklin, E. Ihloff, J. van der Laan, B. McAllister, R. Milner,
C. Tschalaer, D. Wang, A. Zolfaghari, T.Zwart, G.L. Carr, B. Podobedov, F.Sannibale.
Coherent THz Radiation from a Storage Ring with High-Frequency RF Frequency.
Physical Review Letters 96, 064801 (2006).


Selected Presentations
(Last update on April 26, 2023)

April 7 and 24, 2023: Seminar, FRIB APES Seminar, Michigan State University, with title:
High-Brightness Electron Injectors for High-Duty-Cycle X-Ray Free Electron Lasers (Part 1 and Part 2)

December 3, 2018: Seminar, INFN-LNF, Frascati, Italy, with title:
The VHF-Gun Electron, an electron source optimized for high-brightness, high-duty-cycle applications.

November 1, 2018: Invited talk, 2018 BES Light Sources Beam Stability Workshop, Lawrence Berkeley National Laboratory, with title:
Compensation of emittance and beam size variations induced by insertion devices.

November 8, 2017: APS ASD Seminar, Argonne National Laboratory, Argonne, IL USA, with title:
The VHG-Gun Electron Source Scheme: a Recipe for a High-Brightness, High-Repetition Rate Performance.

August 10, 2017: Invited talk, High Repetition-Rate XFEL Physics and Technology Workshop , Shanghai, China, with title:
Electron Gun Options for High Repetition Rate XFELs.

November 2, 2016: ALS/CXRO Seminar, Lawrence Berkeley National Laboratory, Berkeley, CA, USA, with title:
The Pursuit of Brightness.

October 11, 2016: Invited talk at 2016 National Particle Accelerator Conference, Chicago, IL, USA, with title:
Overview of Electron Source Developments for High Repetition Rate FEL Facilities.

September 13, 2016: Seminar, SINAP Zhangjiang campus, Shanghai, China:
APEX, the Advanced Photo-injector EXperiment at the Lawrence Berkeley National Laboratory.

March 21, 2016: Invited talk at OSA, High-Brightness Sources and Light-Driven Interactions Congress, Long Beach, California, USA , with title:
The VHF-Gun, the LBNL High-Brightness Electron Photo-Injector for MHz-Class Repetition-Rate Applications.

November 2014: Invited talk at the P3 Photocathode workshop in Berkeley, CA, with title:
APEX cathode test results and dark current characterization.

October 2, 2013: Invited talk at 2013 National Particle Accelerator Conference, Pasadena CA, USA, with title:
Recent Results from the APEX Project at LBNL.

July 15, 2013: Seminar, LNLS Seminar, Campinas, Brazil, with title:
APEX, The Advanced Photoinjector Experiment.

June 3, 2013: Invited plenary talk at the 1st European Advanced Accelerator Concepts Workshop (EAAC2013), La Biodola, Isola d'Elba, Italy, with title:
High-brightness high-duty cycle electron injectors.

May 25, 2012: Invited talk at the 2012 International Particle Accelerator Conference, New Orleans LA, USA, with title:
Overview of Recent Progress on High Repetition Rate, High Brightness Electron Guns.

August 23, 2011: Invited Tutorial talk at the 2001 FEL Conference, Shanghai, China, with title:
High brightness electron injectors for 4th generation light sources.

June 3, 2011: Colloquium at the Naval Postgraduate School, Monterey CA, US, with title:
Design Studies for a Next Generation Light Source Facility.

June 29, 2010: Seminar at Cornell University - Ithaca, NY, US, with title:
A normal conductive RF photo-injector for high repetition rate X-ray free electron lasers.

February 8, 2010: Seminar at DESY-Zeuthen, Berlin, Germany, with title:
A normal conductive RF photo-injector for high repetition rate X-ray free electron lasers.

November 18, 2009: Invited talk at the 47th ICFA Advanced Beam Dynamics Workshop
“The Physics and Applications of High Brightness Electron Beams” − Maui, Hawaii, USA, with title:
High Average Power, High Brightness Electron Beam Sources.

May 26, 2009: Invited talk at the 2009 DIPAC conference, Basel, Switzerland, with title:
Highlights from the 13th Beam Instrumentation Workshop.

April 17, 2009: Seminar at Brookhaven national Laboratory, Upton, NY, USA, with title:
The LBNL CW normal-conducting RF photo-injector.

July 10, 2008: Seminar at Laboratori Nazionali di Frascati dell'INFN, Frascati, Italy, with title:
Coherent Synchrotron Radiation Studies at the Advanced Light Source and the IKNO proposal.

June 17, 2008: Seminar at Argonne National Laboratory, Argonne, IL USA, with title:
A CW normal-conductive RF gun for FEL and ERL applications.

June 2, 2008: Invited talk at the Instrumentation Workshop for ERL at Cornell University, Ithaca, NY USA, with title:
Non Destructive Transverse Profile Monitors.

May 8, 2008: Invited talk at the 2008 Beam Instrumentation Workshop, Tahoe City, CA USA, with title:
Recent beam measurements and new instrumentation at the Advanced Light Source.

November 17, 2006: Seminar at the Center for Beam Physics of the AFRD Division of the Lawrence
Berkeley National Laboratory with title:
Coherent synchrotron radiation studies at the Advanced Light Source.

August 19, 2005: Invited talk at the Workshop on Production and Applications of High Peak Power,
Short Pulse, THz Radiation at SLAC with title:
Schemes for generating THz radiation.

June 10, 2005: Seminar at the SLAC Theory Club Meeting with title:
THz Coherent Synchrotron Radiation from the “Femtoslicing” Experiment at the ALS.

October 16, 2003: Seminar at SLAC, Stanford, CA, USA with title:
Producing high power, broadband terahertz coherent synchrotron radiation in storage rings.

February 21, 2000: Seminar at Seminars on DAFNE, LNF INFN Frascati, Italy, with title:
Luminosity.

September 1998: Invited talk at the LXXXIV National Congress of the Italian Physics Society, Salerno, Italy, with title:
Prestazioni di DAFNE (DAFNE Performances).

September 1994: Invited talk at the LXXX National Congress of the Italian Physics Society, Lecce, Italy, with title:
Il linac di DAFNE (The DAFNE Linac).


FSannibale@lbl.gov