Photocathode Physics for Photoinjectors (P3) 2016

Oct 17, 2016, 8:00 AM → Oct 19, 2016, 6:10 PM US/Eastern

F113 Cebaf Center (Jefferson Lab)

Mon, October 17

8:00 AM Coffee/Registration

Welcome & Overview

Conveners: Fay Hannon, Ivan Bazarov

slides P3_Info_Slides.pptx

1 Welcome

Speaker: Fay Hannon (JLab)

Slides WELCOME_To_JEFFERSON_Lab.pptx

2 Overview of Photocathode Physics

Speaker: John Smedley (BNL)

Slides P3.pptx

Video Smedley1.mp4

3 Motivation for photocathode source delvelopment

Speaker: John Lewellen

Slides Lewellen_talk_v2.pptx

Video Lewellen.mp4

10:00 AM Refreshment Break

Semiconductor Manufacture & Measurement

Conveners: John Smedley, Luca Cultrera

4 Update of Cornell recent photocathode studies growth and operations

Speaker: Luca Cultrera

Slides P3-2016-Cultrera.pptx

Video Cultrera1.mp4

5 Study of bialkali antimonide photocathode on niobium substrate at JLab

Speaker: Md. Abdhulla Mamun

Slides P3_Mamun-JLab-2016.pptx

Video Mamun1.mp4

6 BNL sputter growth technique

Speaker: Zihao Ding

Slides Zihao_Ding.pptx

Video Ding.mp4

7 BNL CHESS Activities

Speaker: Mengjia Goawei

Slides P3_presentation_Mengjia_Gaowei_upload.pdf

Video Goawei.mp4

8 CERN Alkali antimonide experience

Speaker: Chris Hessler

Slides hessler-2016-10-17-P3-JLAB-v5.pptx

Video Hessler.mp4

9 DISCUSSION

12:15 PM Lunch (on your own)

Semiconductor Manufacture & Measurement

Conveners: Matt Poelker, Siddharth Karkare

10 Simultaneous element evaporation and deposition of multialkali cathodes

Speaker: Jun Feng

Slides Jun_talk_P3_2016.pptx

Video Feng.mp4

11 A Brief Overview of R&D Efforts towards High Quantum Efficiency and High Polarization Superlattice Photocathodes

Speaker: Shukui Zhang

Slides P3_talk_S_Zhang.pdf

Video SZhang.mp4

12 Ion implantation studies of bulk GaAs with different surface cleave plane orientations

Speaker: Wei Liu

Slides P3_2016_Wei_Liu_ion_implantation.pptx

Video WLiu.mp4

13 DISCUSSION

3:15 PM Refreshment Break

Metals and surface coatings

Conveners: Fay Hannon, Wayne Hess

14 Intrinsic emittance reduction of copper cathodes

Speaker: Eduard Prat

Slides P3pratv2.pptx

Video Prat.mp4

15 Photocathode Endeavours at SLAC

Speaker: Theo Vecchione

Slides Photocathode_Endeavors_at_SLAC.pdf

Video veccione.mp4

16 Emittance growth caused by surface roughness

Speaker: Zhe Zhang

Slides Emittance_Growth_Caused_by_Surface_Roughness_Zhe_Zhang.pdf

Video ZZhang.mp4

17 Surface analysis and n-machining of a copper photocathode at SPARC_LAB

Speaker: Jessica Scifo

Slides Jlab_workshop_jessica_scifo_2.pptx

Video scifo.mp4

18 Pb photocathodes in SRF Guns

Speaker: Jacek Sekutowicz

Slides Pb-Cathodes-NN-P3-2016-10-17.pptx

Video Sekutovicz.mp4

19 DISCUSSION

Poster and Networking Reception

Reception and poster session

Tue, October 18

Coffee

Metals and surface coatings

Conveners: Fay Hannon, Wayne Hess

20 Effects Associated with Ultrashort Pulse Illumination

Speaker: Jared Maxson

Slides P3_2016_maxson_final.pptx

Video Maxon.mp4

21 Progress in photocathode R&D and preparation for the CLARA accelerator at Daresbury Laboratory

Speaker: Tim Noakes

Slides P3_DL.ppt

Video Noakes.mp4

22 Plasmonic cathode from industry

Speaker: Hoson To

Slides Hoson_To_-_Plasmonic_Cathodes_for_Industry.pptx

Video To.mp4

23 DISCUSSION

Theory

Conveners: Dimitre Dimitrov, Kevin Jensen

24 One step photoemission from Ag(111) surface

Speaker: Siddharth Karkare

Slides P3_Ag(111)_1.pptx

Video karkare1.mp4

9:55 AM Refreshment Break

Theory

25 Photoemission of electrons from sharp needle tips driven by femtosecond laser pulses: a tutorial

Speaker: Martin Kozak

Slides Photoemission_physics_nanotips_Kozak.pptx

Video Kozak.mp4

26 DFT-Calculated Properties of Graphene Shield Enhanced Photocathodes

Speaker: Daniel Finkenstadt

Slides P3_Finkenstadt.pdf

Video Finkenstadt.mp4

27 Quantum Dots Tutorial

Speaker: Andrew Shabaev

Video Shabaev.mp4 Shabaev.mp4

28 DFT and Graded Composition, Heterostructures and Graphene

Speaker: Andrew Shabaev

29 DISCUSSION

12:15 PM Lunch (on own)

Theory

30 Transfer Matrix Methods

Speaker: Kevin Jensen

Slides P3pres0916.pdf

Video jensen.mp4

31 Multi-Alkali Cathodes

Speaker: Erdong Wang

Slides From_Erdong_Wang.pptx

Video Wang.mp4

32 PbTe(111): DFT analysis and experimental results

Speakers: Andreas Schroeder, B.L. Rickman, T Li

Slides P3(2016)PbTe111_Schroeder.ppt

Video Schroeder2.mp4

33 DISCUSSION

3:20 PM Refreshment Break

Theory

Convener: Siddharth Karkare

34 Modeling Electron Emission from Controlled Rough Surfaces

Speaker: Dimitre Dimitrov

Slides dimitrovP3JLabOct16.pdf

Video Dimitrov.mp4

35 Delayed, Multiply Scattered Emission Effects

Speaker: John Petillo

Slides P3Petillo.pdf

Video Petillo.mp4

36 Monte Carlo Simulation of Electron Photoemission from Alkali Antimonide Semiconductors

Speaker: Pranav Gupta

Slides P3Draft4Pranav.pptx

Video Gupta.mp4

37 DISCUSSION

The Search for the Elusive Ideal Antimonide Photocathode

Convener: Bob Springer (LANL (former))

slides Abstract.pdf Photocathode_History_Final.pdf

Wed, October 19

8:00 AM Coffee

Ultra-cold sources

Conveners: Ivan Bazarov, Luca Cultrera

38 Ultra-cold and ultra-fast electron sources

Speaker: Jom Luiten

Slides P3-workshop-JLab-Luiten-19102016.pptx

Video Luiten.mp4

39 Cryocooling of alkali antimonide

Speaker: Hyeri Lee

Slides Cryogenically_cooled_photocathode_p3_2016_Lee.pptx

Video Lee.mp4

40 Plasma based sources of cold electrons

Speaker: Klaus Muller-Dethlefs

Slides JLab19Oct16.pptx

Video Dethlefs.mp4

41 Focused tips arrays for production of cold electron beams

Speaker: Soichiro Tsujino

Slides 2016-10-18_P3_STsujino.pdf

Video tsujino.mp4

10:00 AM Refreshment Break

Ultra-cold sources

42 Materials engineering for production of cold electrons

Speaker: Richard Hennig

Slides Materials_Discovery.pdf

Video Hennig.mp4

43 Limitations on emittance from solid photocathodes from chemical and physical roughness

Speaker: Siddharth Karkare

Slides P3_Surface_nonuniformities.pptx

Video karkare2.mp4

44 DISCUSSION

Applications, funding and future.

Conveners: Carlos Hernandez, Dave Dowell

45 Cathode Challenges and update for cathode in CW Operation

Speaker: Adam Bartnik

Slides Bartnik-P3.pptx

Video bartnik.mp4

46 Operation/characterization of alkali antimonide in SRF gun

Speaker: Erdong Wang

Slides Photocathode_preformance_in_SRF_gun.pptx

Video WangE.mp4

12:15 PM Lunch (on own)

Applications, funding and future.

47 Semiconductor cathodes in SRF guns/ Cathode challenges and update for cathode operation in SRF guns

Speaker: Jochen Teichert

Slides P3Workshop_teichert.pdf

Video teichert.mp4

48 LANL Updates and Quantum Dots: photoemission from quantized energy states

Speaker: Nathan Moody

Slides P3_LANL_display_talk.pptx

Video moody2.mp4 Moody.mp4

49 DISCUSSION

Video novel_discussion.mp4

50 Electron source requirements for laser-driven dielectric accelerators

Speaker: Joel England

Slides P3_Jlab_England_DLA_v1_NB.pdf

Video england.mp4

51 DISCUSSION- Future funding

Slides Cornell_CBB.pdf

3:30 PM Refreshment Break

Applications, funding and future.

52 Nanotip electron sources for dielectric laser acceleration

Speaker: Martin Kozak

Slides DLA_source_talk_Kozak.pptx

Video Kozak2.mp4

53 Cathodes for ultrafast electron diffraction and microscopy (UED-UEM) applications

Speaker: Renkai Li

Slides LRK_P3_JLab_cathodes_for_UES.PPTX

Video Li.mp4

54 Tailoring the emissive properties of photocathodes through materials engineering: Ultra-thin multilayers

Speaker: Daniel Velazquez

Slides P3_JLAB_DVelazquez.pptx

Video velazquez.mp4

55 DISCUSSION

Close

Poster Files

56 Hoffbauer

Poster P3_poster_Hoffbauer.png

57 Lewellen

Poster P3_poster_Lewellen.png

58 Mistry

Poster P3Workshop_Preparation_of_Cu_Cathodes_version4.pdf

59 Moody_3

Poster P3_Poster_Moody.png

60 Pavlenko

Poster P3_poster_Pavlenko.png

61 Schroeder

Poster P3-SurfaceRoughness_final.pdf

62 Suleiman

Poster JLab_P3_October2016_MagBeam_poster.pdf