PPT-ULTRA-LOW EMITTANCE III-V

SEMICONDUCTOR PHOTOCATHODES Siddharth Karkare Advisor Ivan Bazarov 1 Acknowledgements Prof Ivan Bazarov Dr Luca Cultrera Dr Dimitri Dimitrov Dr Bill Schaff and Tobey Moore. TEAM DUBAWNT. Problem. Lack of Doctors in Nepal. Nepal maternal mortality rates 740 per 100,000 births. Field workers don’t have proper knowledge reading ultra sound image. Solution. Portable Ultra sound reader. ScienceS. and Education (CLASSE) . Emittance. and . photocathodes. Ivan . Bazarov. Cornell University. Where we are today. Injector performance. Ongoing work. Venues for improvements. Next generation gun. 1. Comparison 60MV/m Gun . vs. 50MV/m Gun, Flat Top Laser Pulse. 2. Comparison for the worst case: Gun50+Gauss Laser Pulse. 3. Summary and Outlook . Yauhen Kot. Summary for the S2E Meeting 28.10.2013. Jeremy Perrin, Cornell University. On behalf of the . CesrTA. collaboration. Overview. Experimental . motivation. A basic analytical . model. Simulation . techniques. Comparison of simulation and experiment. growth issues in HT. The problem: . Observed . emittance. growth in Diego’s . multiturn-multikick. HT release, both in presence of a dipolar . wakefield. and a . dipolar+quadrupolar. . wakefield. October, 2015. 2. The Future = More. Sources: Ericsson Mobility Report, Cisco VNI. More . Broadband Uses. Connected devices . per consumer. 2014. (3). 2020. (7). IP traffic per capita. 2014. (8GB). 2019. metals to less than thermal. Jun Feng . Lawrence Berkeley National Laboratory. Acknowledgements. Mike Greaves, W. Wan, D. Dowell, H. . A. . Padmore. Outline. Free . e. lectron metals and surface states. Yannis . PAPAPHILIPPOU. Accelerator and Beam Physics group. Beams Department. CERN. Ninth International Accelerator School for Linear Colliders. 26 October – 6 November 2015, . Whistler BC, Canada. Rohan Dowd. Senior Accelerator Physicist, Australian Synchrotron. 1. Overview. Vertical emittance minimisation method. Early results from lifetime analysis. Vertical . Undulator. results. Refinements: . Alexander Cahill. UCLA Dept. of Physics and Astronomy. For the UCLA/SLAC/INFN collaboration. June 30, 2017. Outline. Motivation. Cryo. RF Experiments. RF Photoinjector Design. Beam Dynamic Studies. Conclusions. Transverse and Longitudinal. V. . Schoefer. RHIC Retreat 2013. Agenda. Part I: Some specific cases. AGS RF phase rollover fix, effects on the . emittances. Conjectures about longitudinal . emittance. 2. . Plans for an upgrade of the Swiss Light Source. Andreas Streun. Paul Scherrer Institut (PSI) Villigen, Switzerland. 1. st. Workshop on Low Emittance Lattice Design. Barcelona, April 23-24, 2015. Input boundary conditions for the design. Main choices on the design. RFQ generation. Performances. Errors Study. Input conditions. “Good” transmission i.e. an internal bunching.. “Low” longitudinal emittance.. Andreas Streun. Swiss Light Source (SLS). Paul Scherrer Institut (PSI) . 5232 Villigen, Switzerland. “Forum Beschleunigerphysik” Workshop. Perspectives for Accelerators and Technology. Darmstadt, Feb. 16-17, 2017.