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Linear Imaging Theory duration 1 hour 1 minute Linear Imaging Theory Linear Imaging Theory	Linear Imaging Theory 2017 PARADIM Linear Imaging Theory Robert Hovden d.n.a. dark field aperture size object function total intensity collaboration increases concepts in physics convergence angle area spherical aberration wide range covering today geometric shapes d.n.a. structure central minimum electron microscopy focal point intensity increases linear imaging model wave vectors control theory optical devices collection angle larger aperture electron microscope high angle architectural elements signal processing photography high pass filter transfer function uncorrected system phase shift darkfield regime functional form scattered electrons higher frequency bright field stem egyptian artefact types diffraction pattern science of photography point spread function high intensity probe elementary geometry integrals spatial frequency optics objective lens bright field regime bright spots real space low frequency reciprocal space blurring contribution sphere collaboration uncorrected instrument characteristic dimension incoherent imaging condition surfaces aperture function wave front atomic physics imaging mode contract transfer function white noise scanning transmission electron cohere imaging previous lecture distant plane elementary shapes stem higher angles high resolution incoherent linear image mil rating detector geometries field cone geometry types of functions aberration corrected constant phase length lower frequencies chromatic aberration conic sections amplitude squared aberration free scientific techniques microscopes measuring instruments intensity squared optic axis intensity decreases contrast transfer diffraction limit stem image individual atom radio spectrum incoherent imaging quantum mechanics aberration free probe multivariable calculus people meters focal plane bright field low angle amateur radio systems theory image plane coherent imaging condition collecting electrons blurring function transmission electron microscopy physical quantities digital photography angular spread double integral coherent imaging largest range face shift higher order aberrations raleigh criterion pio fairly interpretable transmission electron microscope square pulse geometrical optics digital signal processing 1st order caption complete probe tails nyquist limit blue curve subroutines broadcasting filter frequency response maximum frequency high frequency caustic curve hand side low pass filter spatial coordinates atoms closer coherent image sparrow criterion structural system pico meter dark background frequency space optimal aperture t.m. complex conjugate contrast transfer function wave function measure ultimately imaging condition annular darkfield incoherent imaging mode atomic number field stem atomic column inelastic interactions nobel prize angle medium chemistry focal imaging probe size From James Overhiser 151 plays
$Thumbnail for Diffraction (Part 2)$ Diffraction (Part 2) duration 1 hour 7 minutes Diffraction (Part 2) Diffraction (Part 2)	Diffraction (Part 2) 2017 PARADIM Diffraction part 2 David Muller central beam noise source aperture size n.c. concepts in physics ideal d.q. 2nd thing readout noise high dynamic range mental plane thermal noise long time channel gain variations quantum electrodynamics digital imaging count rate optical devices fraction pattern pico amps long range biological imaging range electric fields huge amount signal processing geology d.p. photography thin pixel magnetic field hole pez c.c.d. camera electronics poisson distribution diffraction pattern electron hope point spread function 200 kilovolts $16.00 pico amps neighboring pixel square root mass signal standard deviation detective quantum efficiency spatial frequency optics real space research methods energy distribution magnetic ripples d.q. single electron sensitivity particle physics narrow pixel space measurement slowly varying abled sphere atomic physics imaging mode electric field energy deposited minus sigma pretty good emerging technologies electron beam noise dynamic range point $16.00 pico magnetism dock noise soft moon k.v. pulse counting detector lastic imaging modes e.q. low energy pretty darn good electrons arrive micron pixel fire electron random noise microscopes perfectly linear discrete distributions electron produces mass image percent variation technical details electron hole pay q.e. statistics electrostatics electronics terminology quantum mechanics field image single actor ideal detector multiple pixels grain contrast systems theory electron hole 1st time high count rates charge carriers huge number diffraction spot physical quantities digital photography full diffraction pattern noise time pulse counting beam energy high voltages output noise milli 2nd dynamical systems output signal low count rate dimensional data digital signal processing momentum transfer caption complete $150.00 micron information pixel array detector c.c.d. 1000 electrons laboratory equipment cybernetics atomic resolution scientific method finite size fundamental limit noise ratio fraction spot quantum chemistry t.m. data evaluation methods electromagnetism momentum operator incident electron diffraction probability current flow rough rule beam current wave function diffraction work From James Overhiser 143 plays