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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
Registration and Coffee
Welcome and Overview
1
Welcome
Speaker
:
Dr
Nathan Moody
(
LANL
)
2
Overview of Photocathode Physics
Ivan Bazarov
Speaker
:
Dr
Ivan Bazarov
(
Cornell University
)
3
Overview of Photocathode Applications
Speaker
:
Dr
John Lewellen
(
LANL
)
10:00
Break
Session 2: Application Oriented Research: Low Average Current: Session 3: Application Oriented Research: FEL
4
Review of requirements and challenges for UED/UEM
Speaker
:
Dr
Renkai Li
(
SLAC
)
5
Spatio-temporal quantum limits forUED/UEM from MTE
Speaker
:
Dr
Jared Maxon
(
Cornell University
)
6
<10 meV MTE from Cu
Speaker
:
Dr
Siddharth Karkare
(
Arizona State University
)
7
Laser-triggered, high-coherence electron emitters for femtosecond pulses generation in high-field environments
8
Nanocrystalline diamond cathodes
9
Workshop Discussion
12:15
Working lunch: discussion session (lunch provided)
Session 3: Application Oriented Research: FEL
10
Review of requirements and challenges for FEL
Speaker
:
Dr
Bruce Dunham
(
SLAC National Accelerator Laboratory
)
11
Cathodes for Swiss FEL
Speaker
:
Dr
Romain Ganter
(
Paul Scherrer Institut
)
12
GaN, n-type and 2-photon pump probe studies
Speaker
:
Dr
Christoper Pierce
(
Cornell University
)
13
Measurements of physical and chemical roughness of alkali-antimonides
Speaker
:
Dr
William DeBenedetti
(
Cornell University
)
14
Increase of intrinsic emittance by multiphoton photoemission
Speaker
:
Dr
Rui Zhu
(
Peking University
)
15
Workshop Discussion
16:15
Break
Session 4: Application Oriented Research: Spin Polarized Sources
16
Source requirements and polarization measurements at different energies
17
Absorption enhanced nanostructured GaAs
Speaker
:
Dr
Shukui Zhang
(
Jefferson Lab
)
18
High average current at CEBAF
Speaker
:
Dr
Riad Suleiman
(
Jefferson Laboratory
)
19
BNL activiites on spin polarized sources
Speaker
:
Dr
Wei Liu
(
Brookhaven National Laboratory
)
20
KEK activities on spin polarized sources
21
Improving lifetime of GaAs phtocathode using CsTe on GaAs
Speaker
:
Dr
Luca Cultrera
(
Cornell University
)
22
Spin polarized microscopy
Speaker
:
Dr
Makoto Kuwahara
(
Nagoya University
)
23
SPLEEM
24
Spin filters based photocathode
25
Workshop Discussion
19:21
Poster Session and Networking Reception, Vista A and B Rooms
Tuesday, 16 October
Mon, 15 Oct
Tue, 16 Oct
Wed, 17 Oct
08:00
Coffee
08:25
Welcome and Announcements
Session 5: Application Oriented Research: High Average Current
26
Review of requirements and challenges
27
Cs2Te growth physics
Speaker
:
Dr
Mengjia Gaowei
(
Brookhaven National Laboratory
)
28
Cathode thermal decomposition
Speaker
:
Dr
John Smedley
(
Brookhaven National Laboratory
)
29
Capsule Cathodes
Speakers
:
Dr
Jeffrey DeFazio
(
PHOTONIS
)
,
Dr
Luca Cultrera
(
Cornell University
)
30
Workshop Discussion
10:15
Break
Session 6: Application Oriented Research: Cathode Design
31
Review of requirements and challenges for holistic cathode design
Speaker
:
Dr
Dave Dowell
(
Self
)
32
Blade cathodes
33
Ultra-thin cathodes
Speaker
:
Dr
Linda Spentzouris
(
Illinois Institute of Technology (IIT)
)
34
Etalon Photocathodes
Speaker
:
Dr
Anna Alexander
(
University of California-San Diego
)
35
2D photocathode coatings
Speaker
:
Dr
Enrique Batista
(
Los Alamos National Laboratory
)
36
Cathode surface layers for emittance improvement
37
Workshop Discussion
12:30
Lunch (on own)
Session 7: Operations and Demonstrations - Normal conducting
38
Space charge dominated photoemission from Cs2Te photocathodes in an L-band NC RF gun at PITZ
Speaker
:
Dr
Ye Chen
(
DESY
)
39
Photocathode preparation, characterization, and fundamental study using L-band NCRF guns at the AWA facility
Speaker
:
Dr
Jiahang Shao
(
Argonne National Laboratory
)
40
APEX
41
PEGASUS
42
IHEP
43
Shanghai
44
Tsinghua
45
Workshop Discussion
15:50
Break
Session 8: Operations and Demonstrations - Superconducting & DC
46
Cathode performance for electron cooling
Speaker
:
Dr
Mengjia Gaowei
(
Brookhaven National Laboratory
)
47
Cornell DC cryogun
Speaker
:
Dr
William Li
(
Cornell University
)
48
BerlinPro
Speaker
:
Dr
Julius Kuehn
(
Helmholtz-Zentrum Berlin
)
49
Jlab magnetized gun
Speaker
:
Dr
Md Abdullah Mamun
(
Jefferson Lab
)
50
PKU
Speaker
:
Dr
Huamu Xie
(
PKU
)
51
Workshop Discussion
17:50
Break
18:05
Catered Dinner and Evening Presentation, Vista A and B Rooms
Wednesday, 17 October
Mon, 15 Oct
Tue, 16 Oct
Wed, 17 Oct
08:00
Coffee
08:25
Welcome and Announcements
Session 9: Theory and Computation
52
Review of requirements and challenges
53
High intensity laser & photoemission / Laser heating limits
Speaker
:
Dr
Jai Kwan Bae
(
Cornell University
)
54
Tunneling time
Speaker
:
Dr
Luca Castiglioni
(
University of Zurich, Switzerland
)
55
Density Functional Theory and Surfaces
Speaker
:
Dr
Dan Finkenstadt
(
U.S. Naval Academy
)
56
Density Functional Theory and Surfaces
Speaker
:
Dr
Andreas Schroeder
(
University of Illinois at Chicago
)
57
Quantum Dots and QE
58
(approved by PC) Many-body processes in Photoemission (DFT)
Speaker
:
Dr
J. Kevin Nangoi
(
Cornell University
)
59
(suggested by PC) Computational Screening for New Photocathode Materials
60
Workshop Discussion - combine with Session 10 WD
10:35
Break
Session 10: Theory and Computation - continued
61
Surface Acoustic Waves and enhanced PE
62
Space charge and laser intensity
Speaker
:
Dr
Peng Zhang
(
Michigan State University
)
63
Modeling quantum yield, emittance, and surface roughness effects
Speaker
:
Dr
Dimitre Dimitrov
(
Tech-X Corp.
)
64
(Suggested by Pietro and Sid) Chemical and surface roughness
Speaker
:
Dr
Gevork Gevorkyan
(
CBB - Arizona State University
)
65
Trajectories, beam codes, and delayed emission modeling
66
A predictive QE simulation using DFT input for beam codes
Speaker
:
Dr
Kevin Jensen
(
Naval Research Laboratory
)
67
Workshop Discussion
12:55
Working lunch: discussion session (lunch provided)
Session 11: Novel Research and Applications
68
The accelerator on a chip with a special focus on source requirements
Speaker
:
Dr
Alexander Tafel
(
University Erlangen-Nuremberg (FAU)
)
69
Generation of attosecond electron pulses by inelastic ponderomotive scattering at an optical traveling wave
Speaker
:
Dr
Martin Kozak
(
Charles University
)
70
Quantum well and dot cathodes and their characterization
71
Workshop Discussion
15:45
Break
Session 12: Novel Research and Applications (and concluding discussion)
72
Towards adaptive, automated growth of photocathodes
Speaker
:
Dr
Vitaly Pavlenko
(
Los Alamos National Laboratory
)
73
Fabrication and photoemission results of diamond field arrays
Speaker
:
Dr
Evgenya Simakov
(
Los Alamos National Laboratory
)
74
Cryogenic TEmeter and sample exchange with STM and ARPES system
Speaker
:
Dr
Alice Galdi
(
Cornell University
)
75
Workshop Discussion
17:30
Closeout Discussion: General view of workshop, Next P3, comments and future plans
17:45
Adjourn 2018 P3 Workshop