MAJORRESULTS:• Lenshadconsistentperformanceoutuntil87deg.• Asexpected,thelensperformedworseattheedgesofthe

fieldthantowardsthemiddle.• Duetoconstraintsofthemountofthelens,no

informationwasavailablefrom87-120deg.whichcouldhaveinformedtothedecayoftheresolution.

GOAL/OBJECTIVE:Todesignanapplication-specific,field-varyingresolutionclassificationofthefisheyecameralensforuseinaVR/ARvideostreamingsystem.

TEST:RotatedthelensaroundL-shapedtargetandconductedslantededgeMTFtestsatvariouspointsinthefield.RecordresolutiondataacrosstheentireFOVatspecificlocationsinequallyweightedcirclesaroundthefield.• Took11rhorotationmeasurementsattheanglesacross8

symmetricalthetarotationsevery45°.• Total:88totalmeasurements.

Participants:BarryMagenya (ProjectCoordinator),MikeBrunsman (CustomerLiaison),MitchSoufleris (Scribe),AaronMichalko (FacultyAdvisor);Customer:RaptorVisionLLC

Imaging Characterization of Ultra-Wide Field AR/VR Lenses

05/02/2018

1

FrontandBackviewsoffinaltestset-up(above).

r1 0r2 45r3 54r4 75r5 87r6 120

Diagramofmeasurementsacrossfieldandanglesatwhichmeasurementswillbetaken

(below).

Fromlefttoright:Entaniya fisheyelenswith280°fieldofview,Pixelink PL-E533CUcameraandcircuitboardandsensor.

Readthefullreport:http://www2.optics.rochester.edu/workgroups/knox/myweb/OPT310.html

APPLICATION:MATLABVIStoolcapabilitiesinclude• ProducearetinalimageusingZernikecoefficientsfromapatient.• Accountsforapodization oftheeyetomimictheStiles-Crawfordeffect

attheretina.• ProduceapolychromaticPSFusedtoproduceanRGBimage.• Accountsforthetoric natureofthecorneabyallowingtheuseofan

elliptical-pupilfunction.• ProvidesimagequalitymetricsincludingtheVisualStrehl Ratio.• ComputesanABCDmatrixbasedontheDiazpapertofindthe

effectivefocallengthofthecrystallinegradientindexoftheeye.

References:Abraham,Chandler.“ABeginner'sGuideto(CIE)Colorimetry–ColorandImaging–Medium.”Medium,AugmentingHumanity,10Sept.2016,medium.com/hipster-color-science/a-beginners-guide-to-colorimetry-401f1830b65a.Campbell,F.W.,&Green,D.G.(1965).Opticalandretinalfactorsaectingvisualresolution.JournalofPhysiology,181,576-593.Gobbi,PierGiorgio.“ModelingtheOpticalandVisualPerformanceoftheHumanEye”,SPIEPress.2013Huang,Yanqiao.“HumanLensModelingandBiometricMeasurementTechnique.”DepartmentofBiomedicalEngineering,UniversityofRochester.2008.http://hdl.handle.net/1802/6275Iskander,D.Robert,etal.“ObjectiveRefractionfromMonochromaticWavefrontAberrationsviaZernikePowerPolynomials.”OphthalmicandPhysiologicalOptics,vol.27,no.3,2007,pp.245–255.,doi:10.1111/j.1475-1313.2007.00473.x.J.A.Díaz,“ABCDmatrixofthehumanlensgradient-indexprole:applicabilityofthecalculationmethods,”Appl.Opt.47,195–205(2008).APOPAI0003-6935http://dx.doi.org/10.1364/AO.47.000195KresimirMatkovic.ToneMappingTechniquesandColorImageDierenceinGlobalIllumination.2003L.N.Thibosetal,"Accuracyandprecisionofobjectiverefractionfromwavefrontaberrations,"JournalofVision,vol.4,(4),pp.329,2004.Lindbloom,BruceJustin.“RGB/XYZMatrices.”BruceLindbloom'sWebsite,7Apr.2017,www.brucelindbloom.com/index.html?Eqn_RGB_XYZ_Matrix.html.Schwiegerling,Jim."Scalingpseudo-Zernikeexpansioncoecientstodierentpupilsizes,"Opt.Lett.36,3076-3078(2011)StuartRussellandPeterNorvig.2009.ArticialIntelligence:AModernApproach(3rded.).PrenticeHallPress,UpperSaddleRiver,NJ,USA.Watson,AndrewB.“ComputingHumanOpticalPointSpreadFunctions.”JournalofVision,TheAssociationforResearchinVisionandOphthalmology,1Feb.2015,jov.arvojournals.org/article.aspx?articleid=2213266.Williams,D.R.(2003).Subjectiveimagequalitymetricsfromthewaveaberration.Paperpresentedatthe4thInternationalCongressofWavefrontSensingandAberration-FreeRefractiveCorrection,SanFrancisco,CA.

GOAL:Todevelopadigitalvisualizationimagesimulation(VIS)tooltosimulatehowapatient’seyeswillperforminaroutineeyeexam.

OBJECTIVE:VIStoolwillaidinprovidingaccurateprescriptionsforeyecarewhilereducingthetime,cost,andhumanerrorcurrentlyassociatedwiththecommonexamroutine.

Improved Method of Estimating Required Vision Correction05/04/2018

2

Readthefullreport:http://www2.optics.rochester.edu/workgroups/knox/myweb/opt310-311-files/2017/311/vision-FinalDDD.pdf

Participants:AliHashim (ProjectCoordinator),DiegoMartinez(CustomerLiaison),PerryWang(DocumentHandler),Weidi Liu (Scribe),Dr.JenniferHunter(FacultyAdvisor);Customer:DigitEyez

PSFfoundusingperfectlenswasmodeledwithhard-codedZernikecoefficientsusingCodeV(left)andusingMATLABVIStool(right)toconfirmconsistencyoftheVIStool.BothPSFsareinvertedduetonegativemagnification.

MAJORRESULTS:• Designandbuildaninitialstaticprototype.• Futureplansincludeintegratingamechanical

componentthatwillallowforrotationtoimageatmultipleangles,findingafluidforthefluoroscopyprocedure,anddesigningaswitchprogramtoallowformoreeffectiveimaging.

GOAL:Todesignanearinfrared(NIR)imagingsystemprototypethatcanbeusedinsurgicalsimulationstoaccuratelyreplicatethecurrenttechnologyofx-rays.

OBJECTIVE:Thisprojectwillallowsurgeonstoperformpracticesurgeriesinasaferenvironmentandcouldleadtoahigherrateofsuccess.

TEST:Testedtheprototype'sperformancemetrics:• MTFmeasurementtotesttheresolutionquality.• Spotdiagramstotesttheoff-axisquality.

Also,conductedasamplematerialstudytoanalyzetheeffectofsolutionsinvaryingconcentrationsandtheperformancewithvaryingsettings.

Safe Near-Infrared Surgical Trainer for Urologists05/06/2018

3

Readthefullreport:http://www2.optics.rochester.edu/workgroups/knox/myweb/opt310-311-files/2017/311/trainer-DDDTeamTrainerFINAL.pdf

Participants:KatieArmstrong(ProjectCoordinator),NoraLane(CustomerLiaison),Chih-Hsuan Tsao(DocumentHandler),JosephKelly(Scribe),Dr.GregSchmidt(FacultyAdvisor)

Customer:URUrology/Dr.AhmedGhazi

Opticaldesignoftheprototypesetup(above).

Bartargetandneedleinbetweentwolayersof40%Dimethylsulfoxidesamplewithskinlayerontop(right).

Schematicsoftheopticalprojection.Note:Agratingisprojectedontotheimageplane(below).

MAJORRESULTS:• Presentedaverticallyalignedprototypesystemtoshow

proofofconcept.• Capturedanimageandmanuallyranitthroughprogramto

producea3Dmodelwiththequantitativedatafortheheight,lengthandwidthofthebump.

GOAL:ToimproveaccuracyoftheskintestwithPurifiedProteinDerivative(PPD),thecurrentmeasuringmethodforLatentTuberculosis,viaannovelopticsystemthatwouldcalculatethesurfacetopographyoftheblebafterinjection,andprovideavolumemeasurement.

OBJECTIVE: Toeliminatesubjectivity/amountofhumanerrorassociatedwiththecurrenttest.

TEST:DevelopedaMATLABprogramtoperformFouriertransform,andphaseunwrappingontheimages.Numericaldatawasextractedfromtheshiftsofthelinepatternwhichiscalculatestheheightandwidthofthereactionbump.

Also,conductedin-vivoimagetestingonaraisedskinmoleunderdifferentcolorLEDlighttovalidatetheirdesignandtesttheMATLABcodeprocessing.

Optical Metrology of Skin Bumps in Tuberculosis Testing05/06/2018

4

Readthefullreport:http://www2.optics.rochester.edu/workgroups/knox/myweb/opt310-311-files/2017/311/TBFinalDDD.pdf

Participants:SzeWah Lee(ProjectCoordinator),RebeccaSilver(CustomerLiaison),CocoYang(DocumentHandler),MadilynBeckman(Scribe),YiWenFan(CodingExpert),AndrewBerger(FacultyAdvisor)

Customer:RNTorres

Finalpresentedsystemsetup(above).

References: 1.Mathematic Theory: Tavares, Paulo J., and Mario A. Vaz. “Linear Calibration Procedure for the Phase- to-Height Relationship in Phase Measurement Profilometry.” Optics Communications, vol. 274, no. 2, 2007, pp. 307–314. 2007.02.038. 2. Polarizer Theory: Anderson, R. Rox. “Polarized Light Examination and Photography of the Skin.” JAMA Internal Medicine, American Medical Association, 1 July 1991. 3.Camera: https://www.theimagingsource.com/products/industrial-cameras/firewire-400-monochrome/dmk31bf03/ 4.Collimating Lens: https://www.edmundoptics.com/optics/optical-lenses/double-convex-dcx-spherical-singlet-lenses/15mm-dia.-x-20mm-fl-uncoated-double-convex-lens/ 5.Doublet: https://www.edmundoptics.com/optics/optical-lenses/double-convex-dcx-spherical-singlet-lenses/15mm- dia.-x-20mm-fl-uncoated-double-convex-lens/

MAJORRESULTS:Designeda“invisibleglass”prototypeandwasabletodemonstratetothepublic.

Futureideasincludethepotentialofaddinglasersandcolorforincreasedentertainmentasafinalizedexhibit.

GOAL:Tocreatean“invisibleglass”prototypeexhibitfortheRochesterMuseum&ScienceCenterasaproofofconcept.

OBJECTIVES:TocommemorateKatherineBlodgett’sworkonantireflectivecoatingsandtobeanentertainingandeducationalexhibittothegeneralpublicofallages.

CONCEPT:Creationof“invisibleglass”exhibit• Developmethodforpreventingthetwoliquidsfrom

mixingwhentheglasspieceisusedconsistentlyoveralargeperiodoftimewithpotentialforce.

• Testvariousrefractiveindicestodeterminewhatrefractiveindicessatisfactorilycausestheglasspiecetobecome“invisible.”

• Tocreateacaptionforthedisplaythatoffersasimpleyetinformativeexplanationoftheprocessesathand.

“Invisible Glass” Museum Prototype Exhibit05/04/2018

5

Readthefullreport:http://www2.optics.rochester.edu/workgroups/knox/myweb/opt310-311-files/2017/311/rmsc-DDD_Museum_Final.pdf

Participants:HaleyKnapp(ProjectCoordinator),Zilong Li(CustomerLiaison),StephenChess(DocumentHandler,Scribe),DuncanMoore(FacultyAdvisor)Customer:RochesterMuseum&ScienceCenter

References:1.Whelan,M.,andDr.EdwinReilly.“KatharineBurrBlodgett.”KatharineBurrBlodgett- EngineeringHallofFame,EdisonTechCenter,2014,www.edisontechcenter.org/Blodgett.html.2.“IrvingLangmuirandKatharineBurrBlodgett.”ChemicalHeritageFoundation,30Oct.2015,www.chemheritage.org/historical-profile/irving-langmuir-and-katharine-burr- blodgett.3.Majewski,Janice.“SmithsonianGuidelinesforAccessibleExhibitionDesign.”SmithsonianInstitution,SmithsonianAccessibilityProgram,www.si.edu/Accessibility/SGAED#page_21.4.Nave,R.“RefractionofLight.”RefractionofLight,GeorgiaStateUniversity,hyperphysics.phy-astr.gsu.edu/hbase/geoopt/refr.html.

DemonstrationoftheMATLABreconstructiontool(left).

MAJORRESULTS:• Developedareconstructionalgorithmsforanimported

imageatdifferentdefocuspositionstakenfromtheplenoptic systeminZEMAX.

• Futureworkincludescreatinganalgorithmtocharacterizethesystemdesign,generatingthePSFforimageswithchangingf/#,pixelsize,orotherinputs,andupdatingthescripttodeterminetheboundsofthereconstruction.

GOALS:• Topresentatradestudyofaplenoptic systemwith

regardtomicrolens dimensions,sensortype,andimagespacef/#.

• ToprovidetheimagereconstructiontoolstoimplementNavitar’s plenoptic lenssystem.

CONCEPT:Aplenoptic imagingreliesonasetofmicrolensesinfrontofthesensor.Eachsetofpixelsbehindthemicrolenses makesupamicrolens array.

Themicrolens arrayprovidesadirectionalitycomponentoflight,whichallowsreconstructionoftheimagetodifferentdefocusdepths.However,thereisalossinresolutionthatreconstructstheimagemustaveragesoutamicrolens arraytobeonepixel.

Methodology for Processing Plenoptic System Images05/04/2018

6

Readthefullreport:http://www2.optics.rochester.edu/workgroups/knox/myweb/opt310-311-files/2017/311/pleno-DDDFinal- TeamPleno.pdf

Participants:WenZhou(ProjectCoordinator),StephenWatson(CustomerLiaison),Xiaojing Huang(DocumentHandler),Weichen Yao(Scribe),Dr.ScottCarney(FacultyAdvisor)

Customer:Navitar

Threemonolithicfreeformtelescopedesigns(below).

MAJORRESULTS:• Concludedtheshapeandqualitativepropertiesofthe

focusspots(asshownabove)werestronglycorrelatedandsupportedtheproposedMSFmodel.

• Confirmedtheproposedmodelwithempiricalthrough-focusspotmeasurements.

• Addressedthetolerancing andsensitivityanalysis.

GOAL:TounderstandandmodelhowMid-SpatialFrequency(MSF)erroraffectsthemonolithictelescopes.

PROGRESS:(1) Developmodelthataccuratelysimulatestheeffect

MSFerrorhasonasystem’simagingperformance.(2) Verifythemodelusingempiricalmeasurementsfor

confirmation.(3) ApplytheMSFmodeltotheStage3telescopedesign

toperformsensitivityanalysisandtolerancing.

Modeling Mid-Spatial Frequency Roughness in Freeform Optics

05/06/2018

7

Readthefullreport:http://www2.optics.rochester.edu/workgroups/knox/myweb/opt310-311-files/2017/311/monolith-TeamMonolith_DDD_RevFinal.pdf

Participants:DavidHenryLippman (ProjectCoordinator),KevinKuyk (CustomerLiaison),Wooyoun Kim(DocumentHandler),MatthewPage(Scribe),Dr.JannickRolland(FacultyAdvisor)

Customer:Optimax Systems

References:Tamkin,JohnM.,andTomD.Milster."EffectsofStructuredMid-SpatialFrequencySurfaceErrorsonImagePerformance."AppliedOptics ,vol.49,no.33,2010,pp.6522.Tamkin,JohnM.,WilliamJ.Dallas,andTomD.Milster."TheoryofPoint-SpreadFunctionArtifactsduetoStructuredMid-SpatialFrequencySurfaceErrors."AppliedOptics ,vol.49,no.25,2010,pp.4814.Tamkin,JohnM.,TomD.Milster,andWilliamDallas."TheoryofModulationTransferFunctionArtifactsduetoMid-Spatial-FrequencyErrorsanditsApplicationtoOpticalTolerancing."AppliedOptics ,vol.49,no.25,2010,pp.4825.Rogers,JohnR.SlopeErrorTolerancesforOpticalSurfaces,vol.10316,SPIE,2007,doi:10.1117/12.725057.H.Aryan,C.J.Evans,andT.J.Suleski,"OntheUseofISO10110-8forSpecificationofOpticalSurfaceswithMid-SpatialFrequencyErrors,"inOpticalDesignandFabrication2017(Freeform,IODC,OFT) ,OSATechnicalDigest(online)(OpticalSocietyofAmerica,2017),paperOW4B.2.JasonA.Shultz,Hamidreza Aryan,JosephD.Owen,MatthewA.Davies,andThomasJ.Suleski.“Impactsofsub-aperturemanufacturingtechniquesontheperformanceoffreeformoptics.”

Comparisonofmodeledandmeasuredimagespotsthrough-focusfortheStage1design.Allspotsareonthesamerelativespatialscalebutnotthesamerelativeintensityscale.BothpossesstheexpectedMSFsignatures(above).

MAJORRESULTS:• Inthefinalsystemset-up,awhiteLEDsourceisshinedtoa

mirrorthatistitled45° fromthez-axis.Thelightthenreflectstothesample,adielectricthinfilmonaSiO2wafer,thenbacktothemirror.Finally,thelightisreflectedtoanaperture,throughasinglelensandintoanRBGcamera.

• AcompleteMATLABalgorithmmatchesthereconstructedreflectanceforthe15filmsonthetrainingsampleand61thicknesssamplestoadatabaseoffilmthicknesses.

GOAL:Todevelopandproduceadual- anglecameraimagingsystemfordeterminingdielectricthinfilmthicknessintheRITMicroelectronicsCleanroomLab.

Reference:[1]Kruschwitz,JenniferDT,andRoyS.Berns."Dual-angle,spectralreconstructionimagingmethodforthedeterminationofdielectricthin-filmthickness."Opticsletters42.15(2017):3032-3035.

TASKS:• Finishedcameragammacalibration.• ConductedThicknessesmeasurementonsample

siliconwafersforinitialsystemtestingwithoutalgorithmanalysis.

• Designed,built,andtestedafinalizedsystem.• Developedanalgorithmandtestoncalibration

samples.

Instrument for Precise Measurement of Silicon Dioxide Films

05/05/2018

8

Readthefullreport:http://www2.optics.rochester.edu/workgroups/knox/myweb/opt310-311-files/2017/311/films-Team_Films_Final_DDD.pdf

Participants:YangDeng(ProjectCoordinator),ZhengTan(CustomerLiaison),DianaMagana(DocumentHandler,Scribe),JenniferKruschwitz&ClarkeEastman(FacultyAdvisors);Customer:J.Kruschwitz/RIT

Imagingboardcontainingtheaperture,lens,andcamera(left,up).Twoknobsnexttothemirror

(right,up).Set-upwithoutimaging

board(above).

FinalDesignSet-up(left)andVisibilityPlotofalllabresults(right).

MAJORRESULTS:• Designedasystemtomeasurevisibilityevery10μm and

allowsformeasurementsofthecoherencelengthofvarioussources

• Futureplansincludeinvestigatingartifactsfromthebeamsplitter andaddressingthecompactnessofthedesign.

GOAL:Todesignandassembleaninterferometercapableofmeasuringandreportinginformationregardingthecoherencelengthofalaser.References:[1] Paschotta,Rudiger.“Coherence.”EncyclopediaofLaserPhysicsandTechnology-Coherence,Coherent,Light,SpatialandTemporalCoherence,Monochromaticity,20Feb.2017,www.rp-photonics.com/coherence.html.[2] “PropertiesofLasers.”Worldoflasers.com,6Apr.2015,worldoflasers.com/laserproperties.htm.[3] “7(D.g.).CoherentLight.”AndresRoboticsandScience,www.goodrichscience.com/7-dg-coherent-light.html.[4] Vamivakas,Nick.IntroductiontoWaveOptics.[5] “CoherenceLength.”Wikipedia,WikimediaFoundation,14Mar.2018,en.wikipedia.org/wiki/Coherence_length.[6] “Helium-NeonLasers.”Sam'sLaserFAQ-Helium-NeonLasers,donklipstein.com/laserhen.htm#henmtmhl.[7]CustomerPowerPointPresentation[8]VladimyrosDevrelis,MartinO'Connor,andJesperMunch,"Coherencelengthofsinglelaser

TASKS:• Developedandupdatedaninterferometerprototype.• UsedFREDtomodeltheimpactofdiffractiononthesystem.• Developedasoftwareanalysismethodtocreateaplotofthe

visibilityasafunctionofopticalpathlengthdifferencethroughcalculatingtheimagealongeachlineofthegratingandthoughcalculatingthegratingline.

Instrument for Measurement of Coherence Length of Sources

05/06/2018

9

Readthefullreport:http://www2.optics.rochester.edu/workgroups/knox/myweb/opt310-311-files/2017/311/coherence-Team_Coherence_Final_DDD.pdf

Participants:MaxwellWolfson(ProjectCoordinator),LeiDing(CustomerLiaison),PellegrinoConte(DocumentHandler,Scribe),ThomasBrown(FacultyAdvisor);Customer:ASML

MAJORRESULTS:• Optimizedtheinputpowerat500mWto

increasethesignal.• Recommendedthattoexposethesample

fornomorethan5-6minutestoavoiddamage.

GOAL:TooptimizetheSHGscanningsystemtobetterpredictmetastasisinbreastcancertissue.Themetrictopredictmetastasisistheratiooftheforwardtobackwardratio(F/B)ofscatteredlight.

TEST:• Analyzedthelaserleakageanddarknoisecorrection.• Calculatedthesampledamageathighpowersandover

time.• InvestigatedanHighDynamicRange(HDR)toolboxfor

MATLABtoovercomethedynamicrangelimitations.

Metastatic Cancer Detection with Second Harmonic Imaging

05/06/2018

10

Readthefullreport:http://www2.optics.rochester.edu/workgroups/knox/myweb/opt310-311-files/2017/311/cancer-TeamCancerFinalDDD.pdf

Participants:JordanRabinowitz(ProjectCoordinator),Yuanchao Wang(CustomerLiaison),AvaHurlock(DocumentHandler),JamesEmery(Scribe),WayneKnox(FacultyAdvisor)Customer:Harmonigenic /Dr.RobertHill

ReferencesFrancescoBanterle,AlessandroArtusi,KurtDebattista,andAlanChalmers.AdvancedHighDynamicRangeImaging:TheoryandPractice.AKPeters(CRCPress),Natick,MA,USA,2011.K.Burke,M.Smid,R.P.Dawes,M.A.Timmermans,P.Salzman,C.H.M.canDeurzen,DavidG.Beer,J.A.Foekens,E.Brown.UsingSecondHarmonicGenerationtoPredictPatientOutcomeinSolidTumors.2015,BMCCancer15:929.JuanM.Bueno,FranciscoJ.Avila,PabloArtal,ComparisonofSecondHarmonicMicroscopyimagesofCollaged-basedOcularTissueswith800and1045nm.2017,BiomedicalOpticsVol.8No.11.Pantazis,Periklis etal.“SecondHarmonicGenerating(SHG)Nanoprobes forinVivoImaging.”ProceedingsoftheNationalAcademyofSciencesoftheUnitedStatesofAmerica107.33(2010):14535–14540.PMC.Web.4Feb.2018.Theodossiou T.,G.S.Rapti,V.Hovhannisyan,E.Georgiou,K.Politopoulos,D.Yova,ThermallyInducedIrreversibleConformationalChangesinCollagenProbedbyOpticalSecondHarmonicGenerationandLaser-inducedFluorescence.2002,LasersMedSci 17:34-41.Williams,RebeccaM.,WarrenR.Zipfel,WattW.Webb,2005,InterpretingSecond-HarmonicGenerationImagesofCollagenIFibrils.BiophysicalJournalVol.881377-1386.Xi.Chen,OledNadiarynkh,SergeyPlotnikov,PaulJCampagnola,Secondharmonicgenerationmicroscopyforquantitativeanalysisofcollagenfibrillar structure.2012,NatureAmerica,10.1038/nprot.2012.009.

Fromthegraph,500mWallowsforoptimizedsignalforanextendedperiodoftime(above).

MAJORRESULTS:• Fresnellensshowntohavea

considerablylessattenuationthantheinitialsphericalbiconcavelens.

• However,thelowerattenuationvalueintroducedanartifact:abroadsecondarysignaloccurring~200μsaftertheinitialpeak.

GOALS:(1)Todesignthelenssystemforanimagingprobeusedforinvivo detectionofcancerwithinthethyroid.

(2)To reducethesignalattenuationthatwasaconsequenceofusingabiconcaveplasticlenstofocustheultrasoundsignalbyexploringaFresnellensinthisconfiguration.

TESTS:• DevelopedaninitialdesignbasedonaFresnellens,was

testedinCodeV,andtestedinalabsetting.• LabTest:Bytheemissionofanultrasonicwavefocused

bytheFresnellensontothetransducerarray,whichcapturedasignalpulsethroughtime-gating.

• Updatedthedesignforanewzonesagtoaccountforacleanersignal.

• Testedthesurfacequalitytodemonstratethepotentialinfluenceonthelensperformance.

:

Acoustic Fresnel Lens Design05/05/2018

11

Readthefullreport:http://www2.optics.rochester.edu/workgroups/knox/myweb/opt310-311-files/2017/311/acoustic-TeamAcousticFinalDDD.pdf

Participants:RyanSauer(ProjectCoordinator),NancyAguilera(CustomerLiaison),Yichen Gu(DocumentHandler),DanielGraney(Scribe),WayneKnox(FacultyAdvisor);Customer:URMC/Navalgund Rao

References“MEASUREMENTREPORT:3MHzMatrixArrayTransducer”Imasonic.RIT.3July.2017.Francis,Kalloor Josephetal.“CharacterizationofLensBasedPhotoacousticImagingSystem.”Photoacoustics 8(2017):37–47.PMC .Web.18Nov.2017.“Accura 25(SLA)DataSheet.”3DSystems .2017.“Objet30ProSpecificationSheet.”Stratasys .EdenPrairie,MN.2015.Hadimioglu,B,etal.“High-efficiencyFresnelacousticlenses.”XeroxPaloAltoResearchCenter. 1993.Willis,Karl,etal."Printedoptics:3Dprintingofembeddedopticalelementsforinteractivedevices."Proceedingsofthe25thannualACMsymposiumonUserinterfacesoftwareandtechnology .ACM,2012.“MakerBot Replicator5thGenQuickSpecs”RedStack.“PolyJet MaterialsDataSheet.”Stratasys .EdenPrairie,MN.2017.“AcousticTablesofReference.”Ondacorp .2016.

InitialFresnelSignal(left)andUpdatedFresnelSignal(right)