Search for tag: "low angle"

From Einstein's Photoelectric Effect to Band Mapping. (Shen)

2019 Summer School

optical spectroscopyenergy electronic structureconcepts in physicsfermi energykilo voltmodern physics classsimple systemtranslational symmetryelectrons insideelectronic structureangle result photocontinuum mechanicsmeasure thingsperpendicular componenthigh energym.b.e.high energy resolutionteachingphoto electronnuclear physicsgood sampleelectrons comingelectron comingmagnetic fieldphoto motionelectronphoto mission experimentradiobiologymain factorselectronics companies of the united kingdomcolor codedcharge carriersprobing depthelementary geometryphoto missionmaterial propertiesbinding energyresult photo missionenergy electronsenergysingle spectrummeasurementsurface sensitivecrystallographyray diffractionsocial sciencesfree carriersleadtennis ballhigh intensitybasically mapbasic principleplane wavethreshold energyreciprocal lotelectronicspretty popularenergy resolutionmaterial systemsmission experimentmomentum conservationfree electron gasanthropologyphysical propertiesmagnetismformally correctoptical transitionband structureplain wavedeep insidehuge numbercore levelsgeometryphoton energydefined energylow energychannel platekey thingtotal momentumconservation lawsquantum mechanicaldipole matrix elementuniversal curvesymmetrysimple relationshipstep modelpolar anglephoto currentmain thingdecision theoryenergy bandphoto mission processtransition matrix elementenergy conservationband massesfree electronlarge energyaccelerator physics100 electron voltspotential barriersudden approximationphoto mission measurementwork functionradiation shieldphoto electrons comingclassical mechanicsmomentum spacephysical quantitiesballscondensed matter physicsphoto machinedischarge lampsingle atomlow energy electroniccouple slidesvalence bandspectroscopyhigher harmonic generationplane momentumphoto lecturemechanicsactual processfamous yearnanometer probingmission processelectron voltsquantum mechanics classcaption completefree spacefeatureless backgroundsample manipulatorcrystal wrightfermi–dirac statisticsthermodynamicshigher energykinetic energyhighest energyvacuum chamberelectronic band structureselectron analyzerplay momentumvelocityquantum chemistrycorrect answerquantum materialselectron momentumelectromagnetismfermi levelurban studies and planningelectron leavingeducational psychologyenergy rangesi derived unitslow temperaturemassquantum mechanicsnobel prizematerial science
From  James Overhiser on August 7th, 2019 16 plays

Valence EELS, High Energy Resolution

2017 PARADIM SUMMER SCHOOL Low loss EELS David Muller

optical spectroscopyformal sciencesconcepts in physicssilicon richsilicon dioxidechemical elementsband gapscatteringelectron densitylowest energy featurereducing agentsvalence electronsquick rulepyrotechnic fuelselectron microscopewaveguide modenuclear physicspercent radiuselectronreal troubledielectric boundary conditionsnice bigfactorial and binomial topicstightly boundelectric fieldspatial resolutionsingle scatteringopticssample thicknessinterface plasmanano particlesoptical gapdirect bandgapphosphatesparticle physicsfluid dynamicshigh energy electronatomic physicsdielectric responsesbiology and pharmacology of chemical elementsliquid cellmultiple scatteringelectron beamenergy resolutiontiny signalsingle particle transitioncherenkov radiationelectron gasfree electron gasoptical transitionenergy lossenergy lostcharacteristic anglefree electronicenergy filterlow energycharge oscillationsvalence regionsurface plasmatoxicologyfree pathsilicon oxideoptical spectrabulk materialexit haitiancall auspexfourier analysisquantum mechanicsbig backgroundimage chargeelectrostaticslastic scatteringnice thinginteresting standing wavebessel functionboundary conditionsion imagesingle particlestanding wave modesfunny featureelectron statesscattering eventdirect gapgood free electronphysical quantitiesenergy loss functionvector calculusdietary mineralsabsorption and radiative transfer (optics)electrical engineeringthick samplefield lineslength scaleelectronics terminologyelectrodynamicsphoria transformradiation sensitivecaption completehofplasma frequencylog scaleexperimental particle physicshof epsilonsemiconductor materialshigher energyhigh frequencyatomic resolutioninterface modegood newsharmonic oscillatorspecial relativitydielectric functiondiverges logarithmicallyshine lightcouple 100 voltt.m.incredibly complicatedbad newselectromagnetismenergy rangecherenkov modes100 voltspherical modeslinear operators in calculuschemistrybulk plasma
From  James Overhiser on February 15th, 2019 14 plays

Electron Tomography - Practical Aspects

2017 PARADIM SUMMER SCHOOL Practical Tomography Robert Hovden

dimensional spacedegree tilthot pixelsurface renderinglow tiltprojection requirementchemical elementsslab geometrytilt seriessymbols of utahtransparency curvemedium filtervertical directionimage shiftreconstruction qualityoperation sizesignal processingsmall goldhigh quality reconstructionuncorrected systemcenter mass1st thingconvergence angleelectronicssymbolssingle projectionsingle axisoriginal objecttelegraphic reconstructionreal spacehigh valueshand sidepost processingtomography holderstem tomographys.d.o.high tiltslight crescent moon180 degreetypical data setcross correlationhigh intensitycrescent moon shapebiology and pharmacology of chemical elementsnoise filtering segmentationcandy wrapperbounding boxnano particlesdynamic rangegraphic reconstructionmedical imagingintensity valuestilt axiscubic mineralscontour surfacelinear drifthigher resolutiontilt angleassess reconstructiongood alignmentcenter groundnatural feelmorphological operationmanual alignmenthigher intensitycopper barsdemographic reconstructionlengthalignment procedurefocal plane$180.00 degrees3d computer graphicsbilinear operatorsnano cubedata setcarbon supportaberration corrected tooldefined peakscenter particlepeek representingpoliticsdynamic focusingcaption completereconstruction post processingcolor mapfit lotscenter objectdirectional casehigher tiltpeter talkedtilt rangealignment qualitygal shamblerfully opaqueprojection imageminus $75.00gold particleslow valuescovariance and correlationtraditional tomography regimeobject size$32.00 bitmaterialselectrical conductorselementary mathematics
From  James Overhiser on February 15th, 2019 8 plays

Electron Tomography - Theory

2017 PARADIM SUMMER SCHOOL Tomography Theory Ercius

cartesian spacedimensional spacedimensional thingscale tomographydimensional reconstructionprojection requirementsolutionsextremely high resolutionoriginal imagephysical sciencemaximum tiltingtilt serieslong timeelectron microscopyelectron tomographycompressed sensinginverse nanometersscientific techniquesdimensional structurematerials scienceequal anglesignal processingconcepts in physicsphotographylow dose1st thingpoint defecthigher frequencysingle projectiondiffraction patternpretty goodmicroscopyneedle samplebig differencefree transformoriginal objectspatial frequencyvisioncarbon atomreal spaceadam countingreciprocal spaceemerging technologiescatf.f.t.dimensional imageperfect projectionsoriginal projectionatomic physicsprojected densityexperimental projectionsnano particlesstemmedical imaginghigh resolutioncarbongood reconstructionoriginal projection directionunique objectaberration correctedatomic scalebeam electronsexperimental datatilt axisoriginal intensitynanometer depthpseudo polarmicroscopesreconstruction techniqueprojection operationlow frequencyradio spectrumequally slope tomographyquantum mechanicskinematicsconcentric squarescat scanhigher dimensionalquantum dotanalytic geometryiterative loopentire imageequal distanceiterative algorithmclassical mechanicsdigital photographycalled equally slopelinear algebragrand challengesingle particlesimpler interpellationdimensional objectgeometry limitationhigh tiltsnano scalephoria transformenglish alternative rock groupsresolution tomographyreconstruction packagesbuilding blockcaption completedigital geometrycomputer graphicsfree spacereconstruction algorithmimprove reconstructionshigh frequencyatomic resolutionprojection imageshell particlecohen resolutiondimensional picturesine wavecrystallographic defectst.m.advanced algorithmsiterative processmissing wedgeinformation theorycontinuous functionmaterial sciencetomography experimentbroadcastingmasssample thingselementary mathematicschemistryelectron microscopenanomaterials
From  James Overhiser on February 15th, 2019 7 plays

Ronchigrams

2017 PARADIM SUMMER SCHOOL Ronchigrams Peter Ercius

aperture sizedark field detectorconcepts in physicssmaller probespherical aberrationlargest probegraduate schoolguy namedhigher orderstrong magneticlong timeelectron microscopyorder termsphase changezone axispretty easyspecimen opticsoptical devices0.11 nanometersfraction patternlocal magnificationlarger apertureelectron microscopecorrected scopeaberration corrected microscopeprevious imagesphotographymagnetic fieldraunchy gramelectronphase shiftstem probeconvergence angleelectron diffraction patterndiffraction patternscience of photographydiffraction spaceelementary geometrypost specimenrate pathsmall screenengstromopticsobjective lenscirclesaberration shapemicrons leftlow frequencynice probecorrected stemsmall amountsemi anglepost specimen lensesinfinite magnificationfocus seriesmonolithic detectorseabed patternranch grahamflat regionatomic physicsaberration corrected scopeelectron lenspretty closea.t.f.focal seriesdiffraction buttonaberration correctoverlap regionbright field detectorlargest aperturehigh resolutionwine glasscarbonk.v.lot simplerimage correctaberration correctedlengthround lens300 k.v.quote unquotelarge focusradio symmetryfocused probeimage processingbbc radio 4 programmescontrast transferecclesiastical titlescentimetre–gram–second system of unitsf.b.i. techphysical opticsimage shiftflat phasemicron diameter aperture200 k.b.geometrical opticsamorphous materialalpha angleaberration correctorc.s.aberration correctionshadow imagesphere collaborationphysical chemistrydigital photographyhigher order aberrationsbeam electron diffractionf.b.i.100 percent2nd ordercsubcaption completestar aberrationcrystallographyanglehigh anglesc.c.d.virtual detectoroptical axisautomated alignmentparticle physicsaberration functionpixilated detectorcomputer visionlens currentatomic resolutioncentral spikeweird aberrationshigher order termsperfect lenst.m.3rd orderpriest specimen lensesk.b.double overlapsi derived unitscorrected microscopediffractionsingle positiontiny bitorder sphericalchemistryconvergent beam electronstem
From  James Overhiser on February 15th, 2019 17 plays

Linear Imaging Theory

2017 PARADIM Linear Imaging Theory Robert Hovden

d.n.a.dark fieldaperture sizeobject functiontotal intensitycollaboration increasesconcepts in physicsconvergence angleareaspherical aberrationwide rangecovering todaygeometric shapesd.n.a. structurecentral minimumelectron microscopyfocal pointintensity increaseslinear imaging modelwave vectorscontrol theoryoptical devicescollection anglelarger apertureelectron microscopehigh anglearchitectural elementssignal processingphotographyhigh pass filtertransfer functionuncorrected systemphase shiftdarkfield regimefunctional formscattered electronshigher frequencybright field stemegyptian artefact typesdiffraction patternscience of photographypoint spread functionhigh intensity probeelementary geometryintegralsspatial frequencyopticsobjective lensbright field regimebright spotsreal spacelow frequencyreciprocal spaceblurring contributionsphere collaborationuncorrected instrumentcharacteristic dimensionincoherent imaging conditionsurfacesaperture functionwave frontatomic physicsimaging modecontract transfer functionwhite noisescanning transmission electroncohere imagingprevious lecturedistant planeelementary shapesstemhigher angleshigh resolutionincoherent linear imagemil ratingdetector geometriesfield conegeometrytypes of functionsaberration correctedconstant phaselengthlower frequencieschromatic aberrationconic sectionsamplitude squaredaberration freescientific techniquesmicroscopesmeasuring instrumentsintensity squaredoptic axisintensity decreasescontrast transferdiffraction limitstem imageindividual atomradio spectrumincoherent imagingquantum mechanicsaberration free probemultivariable calculuspeople metersfocal planebright fieldlow angleamateur radiosystems theoryimage planecoherent imaging conditioncollecting electronsblurring functiontransmission electron microscopyphysical quantitiesdigital photographyangular spreaddouble integralcoherent imaginglargest rangeface shifthigher order aberrationsraleigh criterionpiofairly interpretabletransmission electron microscopesquare pulsegeometrical opticsdigital signal processing1st ordercaption completeprobe tailsnyquist limitblue curvesubroutinesbroadcastingfilter frequency responsemaximum frequencyhigh frequencycaustic curvehand sidelow pass filterspatial coordinatesatoms closercoherent imagesparrow criterionstructural systempico meterdark backgroundfrequency spaceoptimal aperturet.m.complex conjugatecontrast transfer functionwave functionmeasure ultimatelyimaging conditionannular darkfieldincoherent imaging modeatomic numberfield stematomic columninelastic interactionsnobel prizeangle mediumchemistryfocal imagingprobe size
From  James Overhiser on February 15th, 2019 13 plays