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Photocathode Physics for Photoinjectors 2018
15 Oct 2018, 08:00
→
17 Oct 2018, 19:20
US/Mountain
Pueblo Ballroom (Hilton-Buffalo Thunder)
Pueblo Ballroom
Hilton-Buffalo Thunder
20 Buffalo Thunder Trail Santa Fe, NM, USA 87506
Nathan Moody
(
Los Alamos National Laboratory
)
Contact
lmaestas@lanl.gov
nmoody@lanl.gov
5056670055
5056671502
Monday, 15 October
Mon, 15 Oct
Tue, 16 Oct
Wed, 17 Oct
08:00
→
08:30
Registration and Coffee
30m
08:30
→
10:00
Welcome and Overview
08:30
Welcome
10m
Speaker
:
Dr
Nathan Moody
(
LANL
)
08:40
Overview of Photocathode Physics
50m
Ivan Bazarov
Speaker
:
Dr
Ivan Bazarov
(
Cornell University
)
09:30
Overview of Photocathode Applications
30m
Speaker
:
Dr
John Lewellen
(
LANL
)
10:00
→
10:15
Break
15m
10:15
→
12:15
Session 2: Application Oriented Research: Low Average Current: Session 3: Application Oriented Research: FEL
10:15
Review of requirements and challenges for UED/UEM
20m
Speaker
:
Dr
Renkai Li
(
SLAC
)
10:35
Spatio-temporal quantum limits forUED/UEM from MTE
20m
Speaker
:
Dr
Jared Maxon
(
Cornell University
)
10:55
<10 meV MTE from Cu
20m
Speaker
:
Dr
Siddharth Karkare
(
Arizona State University
)
11:15
Laser-triggered, high-coherence electron emitters for femtosecond pulses generation in high-field environments
20m
11:35
Nanocrystalline diamond cathodes
15m
11:50
Workshop Discussion
15m
12:15
→
13:45
Working lunch: discussion session (lunch provided)
1h 30m
13:45
→
16:15
Session 3: Application Oriented Research: FEL
13:45
Review of requirements and challenges for FEL
20m
Speaker
:
Dr
Bruce Dunham
(
SLAC National Accelerator Laboratory
)
14:05
Cathodes for Swiss FEL
20m
Speaker
:
Dr
Romain Ganter
(
Paul Scherrer Institut
)
14:25
GaN, n-type and 2-photon pump probe studies
15m
Speaker
:
Dr
Christoper Pierce
(
Cornell University
)
14:40
Measurements of physical and chemical roughness of alkali-antimonides
15m
Speaker
:
Dr
William DeBenedetti
(
Cornell University
)
14:55
Increase of intrinsic emittance by multiphoton photoemission
15m
Speaker
:
Dr
Rui Zhu
(
Peking University
)
15:10
Workshop Discussion
20m
16:15
→
16:30
Break
15m
16:30
→
19:21
Session 4: Application Oriented Research: Spin Polarized Sources
16:30
Source requirements and polarization measurements at different energies
20m
16:50
Absorption enhanced nanostructured GaAs
20m
Speaker
:
Dr
Shukui Zhang
(
Jefferson Lab
)
17:10
High average current at CEBAF
20m
Speaker
:
Dr
Riad Suleiman
(
Jefferson Laboratory
)
17:30
BNL activiites on spin polarized sources
20m
Speaker
:
Dr
Wei Liu
(
Brookhaven National Laboratory
)
17:50
KEK activities on spin polarized sources
1m
17:51
Improving lifetime of GaAs phtocathode using CsTe on GaAs
20m
Speaker
:
Dr
Luca Cultrera
(
Cornell University
)
18:11
Spin polarized microscopy
20m
Speaker
:
Dr
Makoto Kuwahara
(
Nagoya University
)
18:31
SPLEEM
20m
18:51
Spin filters based photocathode
20m
19:11
Workshop Discussion
10m
19:21
→
20:51
Poster Session and Networking Reception, Vista A and B Rooms
1h 30m
Tuesday, 16 October
Mon, 15 Oct
Tue, 16 Oct
Wed, 17 Oct
08:00
→
08:25
Coffee
25m
08:25
→
08:30
Welcome and Announcements
5m
08:30
→
10:15
Session 5: Application Oriented Research: High Average Current
08:30
Review of requirements and challenges
15m
08:45
Cs2Te growth physics
25m
Speaker
:
Dr
Mengjia Gaowei
(
Brookhaven National Laboratory
)
09:10
Cathode thermal decomposition
25m
Speaker
:
Dr
John Smedley
(
Brookhaven National Laboratory
)
09:35
Capsule Cathodes
15m
Speakers
:
Dr
Jeffrey DeFazio
(
PHOTONIS
)
,
Dr
Luca Cultrera
(
Cornell University
)
09:50
Workshop Discussion
25m
10:15
→
10:30
Break
15m
10:30
→
12:30
Session 6: Application Oriented Research: Cathode Design
10:30
Review of requirements and challenges for holistic cathode design
5m
Speaker
:
Dr
Dave Dowell
(
Self
)
10:35
Blade cathodes
20m
10:55
Ultra-thin cathodes
20m
Speaker
:
Dr
Linda Spentzouris
(
Illinois Institute of Technology (IIT)
)
11:15
Etalon Photocathodes
20m
Speaker
:
Dr
Anna Alexander
(
University of California-San Diego
)
11:35
2D photocathode coatings
20m
Speaker
:
Dr
Enrique Batista
(
Los Alamos National Laboratory
)
11:55
Cathode surface layers for emittance improvement
20m
12:15
Workshop Discussion
15m
12:30
→
14:00
Lunch (on own)
1h 30m
14:00
→
15:50
Session 7: Operations and Demonstrations - Normal conducting
14:00
Space charge dominated photoemission from Cs2Te photocathodes in an L-band NC RF gun at PITZ
15m
Speaker
:
Dr
Ye Chen
(
DESY
)
14:15
Photocathode preparation, characterization, and fundamental study using L-band NCRF guns at the AWA facility
15m
Speaker
:
Dr
Jiahang Shao
(
Argonne National Laboratory
)
14:30
APEX
15m
14:45
PEGASUS
15m
15:00
IHEP
15m
15:15
Shanghai
15m
15:30
Tsinghua
15m
15:45
Workshop Discussion
5m
15:50
→
16:05
Break
15m
16:05
→
17:50
Session 8: Operations and Demonstrations - Superconducting & DC
16:05
Cathode performance for electron cooling
18m
Speaker
:
Dr
Mengjia Gaowei
(
Brookhaven National Laboratory
)
16:23
Cornell DC cryogun
18m
Speaker
:
Dr
William Li
(
Cornell University
)
16:41
BerlinPro
18m
Speaker
:
Dr
Julius Kuehn
(
Helmholtz-Zentrum Berlin
)
16:59
Jlab magnetized gun
18m
Speaker
:
Dr
Md Abdullah Mamun
(
Jefferson Lab
)
17:17
PKU
18m
Speaker
:
Dr
Huamu Xie
(
PKU
)
17:35
Workshop Discussion
15m
17:50
→
18:05
Break
15m
18:05
→
20:35
Catered Dinner and Evening Presentation, Vista A and B Rooms
2h 30m
Wednesday, 17 October
Mon, 15 Oct
Tue, 16 Oct
Wed, 17 Oct
08:00
→
08:25
Coffee
25m
08:25
→
08:30
Welcome and Announcements
5m
08:30
→
10:35
Session 9: Theory and Computation
08:30
Review of requirements and challenges
10m
08:40
High intensity laser & photoemission / Laser heating limits
15m
Speaker
:
Dr
Jai Kwan Bae
(
Cornell University
)
08:55
Tunneling time
15m
Speaker
:
Dr
Luca Castiglioni
(
University of Zurich, Switzerland
)
09:10
Density Functional Theory and Surfaces
15m
Speaker
:
Dr
Dan Finkenstadt
(
U.S. Naval Academy
)
09:25
Density Functional Theory and Surfaces
15m
Speaker
:
Dr
Andreas Schroeder
(
University of Illinois at Chicago
)
09:40
Quantum Dots and QE
20m
10:00
(approved by PC) Many-body processes in Photoemission (DFT)
15m
Speaker
:
Dr
J. Kevin Nangoi
(
Cornell University
)
10:15
(suggested by PC) Computational Screening for New Photocathode Materials
15m
10:30
Workshop Discussion - combine with Session 10 WD
1m
10:35
→
10:50
Break
15m
10:50
→
12:55
Session 10: Theory and Computation - continued
10:50
Surface Acoustic Waves and enhanced PE
20m
11:10
Space charge and laser intensity
20m
Speaker
:
Dr
Peng Zhang
(
Michigan State University
)
11:30
Modeling quantum yield, emittance, and surface roughness effects
20m
Speaker
:
Dr
Dimitre Dimitrov
(
Tech-X Corp.
)
11:50
(Suggested by Pietro and Sid) Chemical and surface roughness
15m
Speaker
:
Dr
Gevork Gevorkyan
(
CBB - Arizona State University
)
12:05
Trajectories, beam codes, and delayed emission modeling
20m
12:25
A predictive QE simulation using DFT input for beam codes
20m
Speaker
:
Dr
Kevin Jensen
(
Naval Research Laboratory
)
12:45
Workshop Discussion
10m
12:55
→
14:25
Working lunch: discussion session (lunch provided)
1h 30m
14:25
→
15:45
Session 11: Novel Research and Applications
14:25
The accelerator on a chip with a special focus on source requirements
20m
Speaker
:
Dr
Alexander Tafel
(
University Erlangen-Nuremberg (FAU)
)
14:45
Generation of attosecond electron pulses by inelastic ponderomotive scattering at an optical traveling wave
20m
Speaker
:
Dr
Martin Kozak
(
Charles University
)
15:05
Quantum well and dot cathodes and their characterization
20m
15:25
Workshop Discussion
20m
15:45
→
16:00
Break
15m
16:00
→
17:30
Session 12: Novel Research and Applications (and concluding discussion)
16:00
Towards adaptive, automated growth of photocathodes
20m
Speaker
:
Dr
Vitaly Pavlenko
(
Los Alamos National Laboratory
)
16:20
Fabrication and photoemission results of diamond field arrays
20m
Speaker
:
Dr
Evgenya Simakov
(
Los Alamos National Laboratory
)
16:40
Cryogenic TEmeter and sample exchange with STM and ARPES system
20m
Speaker
:
Dr
Alice Galdi
(
Cornell University
)
17:00
Workshop Discussion
30m
17:30
→
17:45
Closeout Discussion: General view of workshop, Next P3, comments and future plans
15m
17:45
→
17:50
Adjourn 2018 P3 Workshop
5m