PPT-Electron lens studies in support of RHIC / LHC

Wolfram Fischer 28 July 2010 Fermilab Accelerator Advisory Committee Meeting Content Headon beambeam compensation for RHIC LHC RHIC luminosity goals and electron lenses LHC beambeam compensation. Basic Introduction. Bob Ashley. 6-14-2013. Overview . Why electrons?. Wavelength and visible light. Effects of diffraction and resolution. Lens design. Defects and distortions. Magnification. Electron Duality. Bob Ashley 6-. 21. -2013. Overview. Systems of the TEM. Illumination. Condenser lens system. Specimen manipulation stage. Imaging system. Image formation. Magnification. Recording system. Reading List. Jim Atherton. Development of Light Microscope. 1590 Hans Zacharias Janssen. 1660 Robert Hook. Onserved. . cells (cork). 1. Klein, Aaron E. The Electron Microscope: A Tool of Discovery. New . Y. ork,McGRaw. Time Meeting. 3/31/2015. Cerberus, monster cruel and uncouth. ,. With . his three gullets like a dog is barking . Over . the people that are there submerged. . RHIC . Status. Simultaneously ran into two RHIC problems, many lost ramps, backed out of luminosity (temporarily). Hugo Pereira Da Costa, CEA Saclay. Quark Matter 2009 – April 4 2009. Contents. 2. Photons and . low mass dileptons. Open Charm. Open Beauty. Heavy Quarkonia. Di-electron invariant mass . spectrum . Peter Jacobs. Lawrence Berkeley National Laboratory. Lecture 2. Initial conditions: . partonic. structure and global observables . 6/20/11. 1. Hot Matter at RHIC and LHC - Lecture 2. Recap from yesterday:. Bob Ashley. 6-14-2013. Overview . Why electrons?. Wavelength and visible light. Effects of diffraction and resolution. Lens design. Defects and distortions. Magnification. Electron Duality. Electrons have a particle and wave nature. Peter Harris. Transmission . electron . microscopy. ► What . is transmission electron microscopy?. . ► TEM in biological science . ► CfAM’s TEMs. ► TEM in physical . science . ► Recent developments in TEM. Alexander Pikin, James G. Alessi, Edward N. Beebe, Andrey Shornikov, Robert Mertzig, Fredrik Wenander and Richard Scrivens. Brookhaven National Laboratory. CERN. BNL: Project . funded by US Department of Energy. . Electron microscopy (EM) . is an electron beam which is focused into a small probe across the surface of a specimen . . The first electromagnetic lens was developed in 1926 by . Hans Busch. .. . Figure 1:Field emitter gun; the electron source in field emission scanning electron microscope. The only electron source designed for highresolution imaging and suitable for various kinds of materials The aims of this course are:. ● . to introduce the principles of scanning electron microscopy. ● . to describe the components of the microscope and explain how they work. ● . to highlight some of the problems which can arise during imaging. Part I:. The microscope. Sample preparation. Imaging/Contrast. Part II:. Diffraction. Defects. Part III. Spectroscopy. . MENA 3100: . TEM. Electron . gun. Condenser. . aperture. Sample holder. Objective. Lecture 1. The Microscope . by. Assistant Lecture. Zahraa. Mahmoud Hussain. The Microscope. It is a scientific equipment . that . magnifies . very small . objects that is not visible to the naked eye to an extent where it can be seen clearly..