Name: Photocathode Physics for Photoinjectors (P3) 2016
Start: 2016-10-17T08:00:00-04:00
End: 2016-10-19T18:10:00-04:00
Location: Jefferson Lab

Monday, October 17, 2016

8:00 AM Coffee/Registration
Coffee/Registration
8:00 AM - 8:30 AM
Room: F113 Cebaf Center
8:30 AM
8:30 AM - 10:00 AM
Room: F113 Cebaf Center
Contributions

8:30 AM Welcome - Fay Hannon (JLab)

8:40 AM Overview of Photocathode Physics - John Smedley (BNL)

9:20 AM Motivation for photocathode source delvelopment - John Lewellen
10:00 AM Refreshment Break
Refreshment Break
10:00 AM - 10:15 AM
Room: F113 Cebaf Center
10:15 AM Semiconductor Manufacture & Measurement
Semiconductor Manufacture & Measurement
10:15 AM - 12:15 PM
Room: F113 Cebaf Center
Contributions

10:15 AM Update of Cornell recent photocathode studies growth and operations - Luca Cultrera

10:40 AM Study of bialkali antimonide photocathode on niobium substrate at JLab - Md. Abdhulla Mamun

10:55 AM BNL sputter growth technique - Zihao Ding

11:10 AM BNL CHESS Activities - Mengjia Goawei

11:25 AM CERN Alkali antimonide experience - Chris Hessler

11:50 AM DISCUSSION
12:15 PM Lunch (on your own)
Lunch (on your own)
12:15 PM - 1:45 PM
1:45 PM Semiconductor Manufacture & Measurement
Semiconductor Manufacture & Measurement
1:45 PM - 3:15 PM
Room: F113 Cebaf Center
Contributions

1:45 PM Simultaneous element evaporation and deposition of multialkali cathodes - Jun Feng

2:00 PM A Brief Overview of R&D Efforts towards High Quantum Efficiency and High Polarization Superlattice Photocathodes - Shukui Zhang

2:15 PM Ion implantation studies of bulk GaAs with different surface cleave plane orientations - Wei Liu

2:30 PM DISCUSSION
3:15 PM Refreshment Break
Refreshment Break
3:15 PM - 3:30 PM
Room: F113 Cebaf Center
3:30 PM Metals and surface coatings
Metals and surface coatings
3:30 PM - 5:45 PM
Room: F113 Cebaf Center
Contributions

3:30 PM Intrinsic emittance reduction of copper cathodes - Eduard Prat

3:55 PM Photocathode Endeavours at SLAC - Theo Vecchione

4:20 PM Emittance growth caused by surface roughness - Zhe Zhang

4:35 PM Surface analysis and n-machining of a copper photocathode at SPARC_LAB - Jessica Scifo

4:50 PM Pb photocathodes in SRF Guns - Jacek Sekutowicz

5:05 PM DISCUSSION
5:45 PM

5:45 PM - 8:00 PM
Room: F113 Cebaf Center
Tuesday, October 18, 2016

8:00 AM

8:00 AM - 8:30 AM
Room: F113 Cebaf Center
8:30 AM Metals and surface coatings
Metals and surface coatings
8:30 AM - 9:30 AM
Room: F113 Cebaf Center
Contributions

8:30 AM Effects Associated with Ultrashort Pulse Illumination - Jared Maxson

8:45 AM Progress in photocathode R&D and preparation for the CLARA accelerator at Daresbury Laboratory - Tim Noakes

9:10 AM Plasmonic cathode from industry - Hoson To

9:20 AM DISCUSSION
9:30 AM
9:30 AM - 9:55 AM
Room: F113 Cebaf Center
Contributions

9:30 AM One step photoemission from Ag(111) surface - Siddharth Karkare
9:55 AM Refreshment Break
Refreshment Break
9:55 AM - 10:15 AM
Room: F113 Cebaf Center
10:15 AM
10:15 AM - 12:15 PM
Room: F113 Cebaf Center
Contributions

10:15 AM Photoemission of electrons from sharp needle tips driven by femtosecond laser pulses: a tutorial - Martin Kozak

10:40 AM DFT-Calculated Properties of Graphene Shield Enhanced Photocathodes - Daniel Finkenstadt

10:55 AM Quantum Dots Tutorial - Andrew Shabaev

11:20 AM DFT and Graded Composition, Heterostructures and Graphene - Andrew Shabaev

11:45 AM DISCUSSION
12:15 PM Lunch (on own)
Lunch (on own)
12:15 PM - 1:45 PM
1:45 PM Theory
Theory
1:45 PM - 3:20 PM
Room: F113 Cebaf Center
Contributions

1:45 PM Transfer Matrix Methods - Kevin Jensen

2:05 PM Multi-Alkali Cathodes - Erdong Wang

2:20 PM PbTe(111): DFT analysis and experimental results - Andreas Schroeder B.L. Rickman T Li

2:35 PM DISCUSSION
3:20 PM Refreshment Break
Refreshment Break
3:20 PM - 3:35 PM
Room: F113 Cebaf Center
3:35 PM Theory
Theory
3:35 PM - 5:00 PM
Room: F113 Cebaf Center
Contributions

3:35 PM Modeling Electron Emission from Controlled Rough Surfaces - Dimitre Dimitrov

4:00 PM Delayed, Multiply Scattered Emission Effects - John Petillo

4:25 PM Monte Carlo Simulation of Electron Photoemission from Alkali Antimonide Semiconductors - Pranav Gupta

4:40 PM DISCUSSION
5:00 PM

5:00 PM - 5:30 PM
Wednesday, October 19, 2016

8:00 AM Coffee
Coffee
8:00 AM - 8:30 AM
Room: F113 Cebaf Center
8:30 AM
8:30 AM - 10:00 AM
Room: F113 Cebaf Center
Contributions

8:30 AM Ultra-cold and ultra-fast electron sources - Jom Luiten

8:55 AM Cryocooling of alkali antimonide - Hyeri Lee

9:20 AM Plasma based sources of cold electrons - Klaus Muller-Dethlefs

9:45 AM Focused tips arrays for production of cold electron beams - Soichiro Tsujino
10:00 AM Refreshment Break
Refreshment Break
10:00 AM - 10:15 AM
Room: F113 Cebaf Center
10:15 AM Ultra-cold sources
Ultra-cold sources
10:15 AM - 11:45 AM
Room: F113 Cebaf Center
Contributions

10:15 AM Materials engineering for production of cold electrons - Richard Hennig

10:30 AM Limitations on emittance from solid photocathodes from chemical and physical roughness - Siddharth Karkare

10:55 AM DISCUSSION
11:45 AM Applications, funding and future.
Applications, funding and future.
11:45 AM - 12:15 PM
Room: F113 Cebaf Center
Contributions

11:45 AM Cathode Challenges and update for cathode in CW Operation - Adam Bartnik

12:00 PM Operation/characterization of alkali antimonide in SRF gun - Erdong Wang
12:15 PM Lunch (on own)
Lunch (on own)
12:15 PM - 1:45 PM
1:45 PM
1:45 PM - 3:30 PM
Room: F113 Cebaf Center
Contributions

1:45 PM Semiconductor cathodes in SRF guns/ Cathode challenges and update for cathode operation in SRF guns - Jochen Teichert

2:00 PM LANL Updates and Quantum Dots: photoemission from quantized energy states - Nathan Moody

2:20 PM DISCUSSION

2:40 PM Electron source requirements for laser-driven dielectric accelerators - Joel England

3:05 PM DISCUSSION- Future funding
3:30 PM Refreshment Break
Refreshment Break
3:30 PM - 3:45 PM
Room: F113 Cebaf Center
3:45 PM
3:45 PM - 5:00 PM
Room: F113 Cebaf Center
Contributions

3:45 PM Nanotip electron sources for dielectric laser acceleration - Martin Kozak

4:10 PM Cathodes for ultrafast electron diffraction and microscopy (UED-UEM) applications - Renkai Li

4:25 PM Tailoring the emissive properties of photocathodes through materials engineering: Ultra-thin multilayers - Daniel Velazquez

4:40 PM DISCUSSION
5:00 PM

5:00 PM - 5:10 PM
Room: F113 Cebaf Center
5:10 PM
5:10 PM - 6:10 PM
Room: F113 Cebaf Center
Contributions

5:10 PM Schroeder

5:10 PM Suleiman

5:10 PM Pavlenko

5:10 PM Moody_3

5:10 PM Lewellen

5:10 PM Hoffbauer

5:10 PM Mistry