Search for tag: "microscopes"

2017 REU Jacob Waelder PARADIM REU Nano-Convocation

From  James Overhiser on February 18th, 2019 5 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 11 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 17 plays

Diffraction (Part 2)

2017 PARADIM Diffraction part 2 David Muller

central beamnoise sourceaperture sizen.c.concepts in physicsideal d.q.2nd thingreadout noisehigh dynamic rangemental planethermal noiselong timechannel gain variationsquantum electrodynamicsdigital imagingcount rateoptical devicesfraction patternpico ampslong rangebiological imagingrange electric fieldshuge amountsignal processinggeologyd.p.photographythin pixelmagnetic fieldhole pezc.c.d. cameraelectronicspoisson distributiondiffraction patternelectron hopepoint spread function200 kilovolts$16.00 pico ampsneighboring pixelsquare rootmass signalstandard deviationdetective quantum efficiencyspatial frequencyopticsreal spaceresearch methodsenergy distributionmagnetic ripplesd.q.single electron sensitivityparticle physicsnarrow pixelspace measurementslowly varyingabled sphereatomic physicsimaging modeelectric fieldenergy depositedminus sigmapretty goodemerging technologieselectron beamnoisedynamic rangepoint $16.00 picomagnetismdock noisesoft moonk.v.pulse counting detectorlastic imaging modese.q.low energypretty darn goodelectrons arrivemicron pixelfire electronrandom noisemicroscopesperfectly lineardiscrete distributionselectron producesmass imagepercent variationtechnical detailselectron hole payq.e.statisticselectrostaticselectronics terminologyquantum mechanicsfield imagesingle actorideal detectormultiple pixelsgrain contrastsystems theoryelectron hole1st timehigh count ratescharge carriershuge numberdiffraction spotphysical quantitiesdigital photographyfull diffraction patternnoise timepulse countingbeam energyhigh voltagesoutput noisemilli 2nddynamical systemsoutput signallow count ratedimensional datadigital signal processingmomentum transfercaption complete$150.00 microninformationpixel array detectorc.c.d.1000 electronslaboratory equipmentcyberneticsatomic resolutionscientific methodfinite sizefundamental limitnoise ratiofraction spotquantum chemistryt.m.dataevaluation methodselectromagnetismmomentum operatorincident electrondiffractionprobability current flowrough rulebeam currentwave functiondiffraction work
From  James Overhiser on February 15th, 2019 15 plays

Diffraction (Part 1)

2017 PARADIM Diffraction part 1 David Muller

d.n.a.solid poleconcepts in physicsoutgoing spherical wavepositive nucleiray diffraction experimentatomic physicsdiffracted beamnicely linedhigher ordersilicon atomelectron microscopyfocal pointimage intensityzone axissymmetry zone axesoptical devicesfiafraction patternteachingshape factorelectron microscopeaudio engineeringhigh anglenuclear physicsfit scatteringbeautiful thinggood approximationthin sampleimaging methodchip chip chipreciprocal latticephase shiftelastic scatteringdigital audioenglish indie rock groupsdiffraction patterndiffraction spacegeometric opticschemical elementsbig anglesspatial resolutionsmall angle scatteringelementary special functionsbadly tiltedspatial frequencyadam layerreal spacelattice spacingdelta functionsmall anglemeasurementcrystallographyparticle physicsmusical quintetstime frequenciesquantum chemistryscattering happened1st columnscatteringoral communicationplane waveatom columnbiology and pharmacology of chemical elementstitanium columnmulti slicetransmission functionelectron beamfinite objectsurface normalbig spacingperiodic crystalsoft moonforward directionsynchrotron-related techniqueswave numberconstant phaseinfinite serieschange shapetravel parallelinfinitely large crystalscientific techniquesmain thingsolmicroscopesmathematical physicscontrast imagingoptic axisshape facttransition metalsinitial waveforward scatteringstem imagereciprocal spacespherical waveelectronics terminologyquantum mechanicsfield imageneighboring column1st approximationreducing agentsfourier analysisanalytic geometryfurcal wavefocal planetime varyingbright fieldangle scatteringorder spotmulti slice simulationimage planedidacticsscattering eventphysical aperturediffraction spotmomentum spacephysical quantitiesphoria transformtimes worse2nd ringsingle atomobjective aperturedietary mineralsabsorption and radiative transfer (optics)trigonometrystrong phase approximationunit cellfield imagingcarbon nitrogenstem modemetalsdiffraction peakinverse angstromsenglish alternative rock groupsdog fieldgeometrical opticsparallel beam1st ordermomentum transferatomic resolution imageyear transformcrystallography definitionperiodic tablefiber optic waveguidepyrotechnic fuelscentral spotsemiconductor materialsmathematical notationcaption completefinite sizelattice imaged.c.large anglefall fieldsine wavefraction spotfunctional analysisrandom orientationt.m.bad newsinitial wave functioneducational psychologyacousticsinformation theorydiffractionatomic numberlong rodwave function
From  James Overhiser on February 15th, 2019 30 plays

2016 REU Cameron Ruhl CNF & PARADIM REU Convocation

rentinginteresting propertieshigh temperatureinteresting applicationsconcepts in physicsside wallschemical elementsquestionsfilename extensions2nd designelectron microscopygeneration devicesexposure timeelectricityinterestingsystems theorymetallurgypermanentpyrotechnic fuelsmagneticmaterials sciencesuper lotgrain structuresdimensional materialmagnetic fieldoxideselectronnanomaterialsfact data1st thingmatrix theoryscattered electronsprecursor flow$4.00 systemlarge scalehexagon systemcharge carriersmicroscopy groupmicroscopyatomic lotbankingscale imagefourfold symmetrytitanium platinumdetermine1st presenter210 kelvinselenium atomsdesignmeasurementcrystallographyray diffractionparticle physicshuman communication$210.00 kelvinchemical propertiesreucurrentexperimentvast majorityscanning transmission electroncharge carrieremerging technologiesmodel layerenvironmental scienceoxidationagreementmagnetismcomplicatedratiosgrain boundarieslattice orientationpropertiesgraphic orientationlined dotselectrical transportsuperhard materialsthingmisaligned dotsmagnetostaticsalpha psisymmetrymineralogysemiconductorsmagnetic propertyphotographic processesmicroscopesfuture workthin filmhard driveanionshexagonal latticeresolution imagetransition metalshall factartsrural community developmenttemperaturecolor composite imagegrowth processwhite circlesystemquantum mechanicscharge carebusiness lawinorganic silicon compoundstransition metalmolecularquantum dotaccountancyprofessor david$45.00 degreesprevious filmgrain orientationtransmission electron microscopyphysical quantitiessilicon nitridecondensed matter physicscircle representsconfounding variablesmechanicshighly misalignedcall factcrystal structureatomic latticefalse color compositesilicon wafernano wiremetalsdislocation behaviorelectromagnetismnitridescaption completeelectronic propertiesquantum electronicsdarkfield transmission electrondimensional systemchrome goldflower designpotentialatomic resolutionparametersuper latticesingle materialalgebralocal superlattice mismatchscandiumgreen boundariescnfmediasiteaspect ratiostructurearchitectural designaestheticsdiffraction$210.00 calvincarbidesvoltage dropmaterialsphoto resist
From  James Overhiser on February 13th, 2019 14 plays

2016 REU Mark Marsalis CNF & PARADIM REU Convocation

rentinginteresting propertieshigh temperatureinteresting applicationsconcepts in physicsside wallschemical elementssuperhard materials2nd designgeographyelectron microscopygeneration devicesexposure timeelectricitymetallurgyfraction patternpyrotechnic fuelsjudicial remediesmaterials sciencejunctionsuper lotgrain structuresdimensional materialmaterialmagnetic fieldelectronnanomaterialsfact data1st thingscattered electronsprecursor flow$4.00 systemlarge scaleelectronic devicescharge carriersmicroscopy groupmicroscopyatomic lotbankingscale imagecognitionfourfold symmetrytitanium platinumresearch methods1st presenter210 kelvinhexagonal latticedesignmeasurementcrystallographyray diffractionparticle physics$210.00 kelvinchemical propertiesreucnfbiology and pharmacology of chemical elementsvast majorityscanning transmission electroncharge carrieremerging technologiesmodel layermagnetismratiosgrain boundarieslattice orientationcollaboratorsgraphic orientationlined dotselectrical transportmisaligned dotsalpha psimineralogycolorsemiconductorsmagnetic propertymicroscopesfuture workthin filmselenium atomsresolution imagetransition metalshall factartsstatisticscolor composite imagegrowth processwhite circlephotographic processesquantum mechanicscharge careinorganic silicon compoundsmohan professor davidtransition metalcomic resolution imageelectromagnetismquantum dotaccountancyprofessor david$45.00 degreesprevious filmgrain orientationtransmission electron microscopyquantum phasesphysical quantitiessilicon nitridecondensed matter physicscircle representsconfounding variablesdislocationmagnetostaticshighly misalignedcall factcrystal structureatomic latticefalse color compositesilicon wafernano wiremetalsdislocation behaviornitridescaption completeelectronic propertiesquantum electronicsrural community developmentdarkfield transmission electronchristian saints from the old testamentdimensional systemhexagon systemchrome goldflower designatomic resolutionscientific methodsuper latticesingle materialmediasitelocal superlattice mismatchgreen boundariesdataaspect ratiobusiness lawarchitectural designaestheticslight$210.00 calvinvoltage dropphoto resist
From  James Overhiser on February 13th, 2019 14 plays

2016 REU Arthur McCray CNF & PARADIM REU Convocation 2016

rentinginteresting propertieshigh temperatureinteresting applicationsconcepts in physicsside wallsoriented dotschemical elementssuperhard materials2nd designelectron microscopygeneration devicesexposure timeelectricitymetallurgypyrotechnic fuelsmaterials sciencesuper lotgrain structuresdimensional materialmagnetic fieldelectronnanomaterialsfact data1st thingscattered electronsprecursor flow$4.00 systemgeography terminologylarge scalehexagon systemcharge carriersmicroscopy groupmicroscopyatomic lotbankingpolitical philosophyfourfold symmetrytitanium platinum1st presenter210 kelvinselenium atomsdesignmeasurementcrystallographyray diffractionparticle physicsprocedural programming languagesscattering$210.00 kelvinchemical propertiesscale imagereucnfvast majorityscanning transmission electroncharge carrieremerging technologiesmodel layermagnetismratiosgrain boundariesrural community developmentindividualismgraphic orientationlined dotselectrical transportmisaligned dotsalpha psimineralogysemiconductorsmagnetic propertymicroscopesfuture workthin filmhexagonal latticeresolution imagetransition metalshall factartslattice orientationcolor composite imagegrowth processwhite circlephotographic processesquantum mechanicscharge careinorganic silicon compoundstransition metalelectromagnetismquantum dotaccountancyprofessor david$45.00 degreesprevious filmgrain orientationtransmission electron microscopyphysical quantitiessilicon nitridecondensed matter physicscircle representsconfounding variablesmagnetostaticshighly misalignedcall factcrystal structureorientationatomic latticefalse color compositesilicon wafernano wiremetalsdislocation behaviornitridescaption completecomputer graphicselectronic propertiesquantum electronicsdarkfield transmission electrondimensional systemchrome goldflower designatomic resolutionscientific methodsuper latticesingle materiallocal superlattice mismatchgreen boundariesmediasiteaspect ratiobusiness lawarchitectural designaesthetics$210.00 calvinvoltage dropphoto resist
From  James Overhiser on February 13th, 2019 12 plays

2016 REU Betty Hu CNF & PARADIM REU Convocation

rentinginteresting propertieschemical propertieshigh temperatureinteresting applicationsconcepts in physicsside wallschemical elementssuperhard materials2nd designelectron microscopyfold symmetrygeneration devicesexposure timeelectricitymetallurgythermodynamicsreducing agentspyrotechnic fuelsnice square lotmaterials sciencehall barssuper lotgrain structuresdimensional materialmagnetic fieldelectronnanomaterialsfact data1st thingscattered electronsprecursor flow$4.00 systemlarge scaleoriented dotorientation disordercharge carriersmicroscopy groupmicroscopyatomic lotelementary geometryscale imageelectronic devicesfourfold symmetrytitanium platinum1st presenter210 kelvinselenium atomsdesignmeasurementdry edgecrystallographyray diffractionparticle physicsbanking$210.00 kelvinw.c.reucnfc.n.n.vast majorityscanning transmission electroncharge carriercoefficientemerging technologiesmodel layermagnetismratiosgrain boundarieslattice orientationtopologyamerican rock music groupselectrical transport measurementsgeometrygraphic orientationtransitionlined dotselectrical transportmisaligned dotsalpha psimineralogysemiconductorsmagnetic propertymicroscopesfuture workthin filmhard drivehexagonal latticeresolution imagetransition metalshall factartsrural community developmenttemperaturecolor composite imagegrowth processwhite circlenitridesphotographic processesquantum mechanicscharge carebusiness lawinorganic silicon compoundstransition metalelectromagnetismquantum dotaccountancydirectionprofessor david$45.00 degreesprevious filmt.c.m.grain orientationtransmission electron microscopyphysical quantitiessilicon nitridecondensed matter physicscircle representsdensity functional theoryconfounding variablesmagnetostaticshighly misalignedcall factcrystal structureatomic latticefalse color compositesilicon wafernano wiregood agreementmetalsp.c.b.sampledislocation behaviormathematical terminologycaption completegraphics file formatselectronic propertiesbaseline measurementeconomics terminologydarkfield transmission electrondimensional systemhexagon systemchrome goldflower designquantum electronicsatomic resolutionsuper latticesingle materialalgebrakelvinstate functionslocal superlattice mismatchgreen boundariessilicon nitratemediasitefabricationstructurearchitectural designaestheticsaspect ratio$210.00 calvinvoltage dropcontactphoto resist
From  James Overhiser on February 12th, 2019 22 plays