Search for tag: "electron lens"

2 Media

01:16:04 Ronchigrams Ronchigrams	Ronchigrams 2017 PARADIM SUMMER SCHOOL Ronchigrams Peter Ercius aperture size dark field detector concepts in physics smaller probe spherical aberration largest probe graduate school guy named higher order strong magnetic long time electron microscopy order terms phase change zone axis pretty easy specimen optics optical devices 0.11 nanometers fraction pattern local magnification larger aperture electron microscope corrected scope aberration corrected microscope previous images photography magnetic field raunchy gram electron phase shift stem probe convergence angle electron diffraction pattern diffraction pattern science of photography diffraction space elementary geometry post specimen rate path small screen engstrom optics objective lens circles aberration shape microns left low frequency nice probe corrected stem small amount semi angle post specimen lenses infinite magnification focus series monolithic detector seabed pattern ranch graham flat region atomic physics aberration corrected scope electron lens pretty close a.t.f. focal series diffraction button aberration correct overlap region bright field detector largest aperture high resolution wine glass carbon k.v. lot simpler image correct aberration corrected length round lens 300 k.v. quote unquote large focus radio symmetry focused probe image processing bbc radio 4 programmes contrast transfer ecclesiastical titles centimetre–gram–second system of units f.b.i. tech physical optics image shift flat phase micron diameter aperture 200 k.b. geometrical optics amorphous material alpha angle aberration corrector c.s. aberration correction shadow image sphere collaboration physical chemistry digital photography higher order aberrations beam electron diffraction f.b.i. 100 percent 2nd order csub caption complete star aberration crystallography angle high angles c.c.d. virtual detector optical axis automated alignment particle physics aberration function pixilated detector computer vision lens current atomic resolution central spike weird aberrations higher order terms perfect lens t.m. 3rd order priest specimen lenses k.b. double overlap si derived units corrected microscope diffraction single position tiny bit order spherical chemistry convergent beam electron stem From James Overhiser 118 plays
39:59 Introduction to Electron Microscopy Introduction to Electron Microscopy	Introduction to Electron Microscopy 2017 PARADIM Intro to TEM David Muller aperture size observational astronomy data sets big objects scattering individual atoms long time electron microscopy optical devices fraction pattern molecules electromagnetic potential electron microscope big fat spot atomic force microscope strong lens 1000000 volts concepts in physics photography magnetic field c.c.d. camera numerical aperture 1st thing diffraction limited zation damage diffraction pattern huge cross sections charge carriers spherical aberration microscopy big angles optics objective lens chip failed 1st electron bacteria optical microscope radiation damage atomic physics imaging mode uniformly illuminated electron lens electron beam aberration correct magnetism lens action energy loss s.c.m. magnetic lens scientific techniques microscopes optic axis statistics accelerator physics transmission electron microscope geometrical optics science of photography scanning electron microscope incredibly incredibly tiny knowledge representation projectile lenses diffraction spot physical quantities digital photography diffraction blur objective aperture viewing screen magnetostatics condenser lens caption complete free space c.c.d. scattering mechanism particle physics electron gun great amount small spot atomic resolution single transistor time varying field elastic scattering high voltage t.m. electromagnetism charged particles electron military equipment academic administration losses equation From James Overhiser 128 plays