Improvements in the QE of photocathodes Peter Townsend University of Sussex Brighton BN1 9QH, UK The basic steps Optical absorption Strongly dependent on composition ...
Polarization comparison of InAlGaAs/GaAs superlattice photocathodes having low ... Valence Band. LH1. D. E. v. D. E. c. Design of a flat conduction band structure ...
... Surfaces and Thermal Emittance ... Matching the lattice parameters of the substrate and film could ... surfaces for deposition of CsK 2 Sb thin films. Film ...
Quantum Efficiency and Noise III-V and II-VI Photocathodes for UV Astronomy Timothy Norton, Bruce Woodgate, Joseph Stock, (NASA GSFC), Kris Bertness (NIST,CO) and R.D ...
180 uA and polarization 80% Parity quality Long experiment Success requires: Superlattice photocathodes High power, reliable modelocked Ti-Sapphire laser
... area CsI photocathodes (PCs) immediately after the deposition: scanning ... All scanning motions and photo-current. readout-electronics are equipped with a ...
... photoemission from a Gallium Arsenside crystal inside a ... Gallium Arsenide Photocathodes ... Optical pumping Gallium Arsenide between P and S. 3/2. 1/2 ...
Gun & Laser Status Joe Grames Updates G0 Tiger Laser High Polarization Photocathodes Mott polarimeter Injector Test Stand G0 Beamline Upgrades to G0 Tiger Laser Tiger ...
Development and Production of Photocathodes for the CLIC Test Facility G. Suberlucq CERN - Geneva CTF experiment Participants of photocathode measurements
... is typical for borosilicate glasses Standard AR coating is bad for LAPD - need re-optimization or don t use AR coating?? Graded Film, Porous Borosilicate, ...
Homemade Ti:Sap lasers or diodes. Vacuum not well understood. Leaks in load-locked gun prototype ... Load locked gun utilizing vacuum improvements will be ...
Polarized Photoguns and Prospects for Higher Current More specifically: What will it take to provide 1 mA at 85% polarization? M. Poelker Jefferson Lab
Development of High-Average-Brightness Sources (Injectors, Cathodes & Lasers) D.C. Nguyen Los Alamos National Laboratory A.M.M. Todd Advanced Energy Systems
Title: PowerPoint Presentation Author: adminccs Last modified by: k. harkay Created Date: 3/7/2006 7:24:44 PM Document presentation format: On-screen Show
The Large-Area Psec Photo-detector Collaboration Henry Frisch Enrico Fermi Institute and Argonne National Laboratory 4 National Labs, 5 Divisions at Argonne, 3 US ...
Bialkali for visible light (Sb-Rb-Cs, Sb-K-Cs) Semiconductors for visible to IR (GaAsP, InGaAs) ... Collection efficiency a. Amplifier. Photomultiplier tubes ...
contract #DE-FG02-07ER86329 (Phase I) contract #DE-FG02-07ER86330 (Phase I and II) ... Antimony-based SLs for Polarized Electron Emitters. Develop structure based on ...
Recent Polarized Photocathode R&D at SLAC D.-A. Luh, A. Brachmann, J. E. Clendenin, T. Desikan, E. L. Garwin, S. Harvey, R. E. Kirby, T. Maruyama, and C. Y. Prescott
A 4th electrode (bleeder) needed to achieve unique mapping. Simulation with MAFIA and SIMION: ... Without bleeder. With bleeder. Apollo Go Development of RICH ...
The Large-Area Psec Photo-detector Collaboration Henry Frisch Enrico Fermi Institute and Argonne National Laboratory 4 National Labs, 5 Divisions at Argonne, 3 US ...
Using Kovar Rings. Moved to a Cu braze design. 9 leaks, 1 major contamination ... Mounting slot (yellow) Kovar. Carousel plate 2mm. Ti (or 316 St.Steel) ...
John Sheppard, Masao Kuriki, Philippe Piot and all the contributors to WG3a. Goals for WG3a ... Propose a timeline for the development of the ILC sources which ...
The system was baked from May 26 to June 2. Vacuum is 6 ... Mott counting rates look OK. Polarization test next. SIMS on IQE sample. New: anodized/stripped ...
Photo emission from photo cathode Q.E. = Np.e./Nphotons. Electron collection. Focusing optics ... best photoelectron collection efficiency. good uniformity ...
Blue light is stronger absorped than red light! semi-transparent cathodes ... channel dynode chains in one vacuum envelope (26x26 mm2) segmented anode: 2x2 mm2 ...
The Photocathode Program of the Large Area Picosecond Photo Detector (LAPPD) Project The PC-group (Klaus Attenkofer) What are the Goals & Milestones: Goals: Bridging ...
Investigated ,e.g., by D. A. Allwood et al. for GaAs epi-ready' surfaces. ... Approval of the 1.5GeV Harmonic Double Sided Microtron (HDSM) as a fourth stage of MAMI ...
Sep. 2002 SBIR Phase II awarded (2 year project) ... provides layer-by-layer growth rate feedback ... Structural Analysis using SIMS (Secondary Ion Mass Spectroscopy) ...
Workshop on Sources of Polarized Electrons and High Brightness ... Yuri A. Mamaev, Yuri P.Yashin, Vitaly V. Kuz'michev, Dmitry A. Vasiliev, Leonid G. Gerchikov ...