計算機光學(xué)元件的算法及實驗研究.pdf

1、電子科技大學(xué)碩士學(xué)位論文計算機光學(xué)元件的算法及實驗研究姓名：董梅峰申請學(xué)位級別：碩士專業(yè)：光學(xué)指導(dǎo)教師：李慎20040301電子科技大學(xué)碩士研究生論文ABSTRACTIlathelaser’Sactualapplication，accordingtothedifferentrequest，peopleusuallyneedtoshapetheintensionoflaserbeanaForexample，shapingthelaserb

2、eamtectangleorcircularetcThetraditionalopticalelementsaredifficulttorealizethesekindsofconversion，andtheefficiencyofthecalculationhologramistoolowBecauseofthecomputeropticalelementscanshapethelaserbeamtoarbitraryshape，SO

3、，inthispaperwemainlystudythedesignationandtheexperimentationofthecomputeropticalelementsThispaperwedesignthereliefheightofthecomputeropticalelementsmainlybasedonthegeometricaltheoryandthescalarquantitydiffractivetheoryBa

4、sedonthegeometricaltheoryweachievedtheheightofphasereliefthatcallshapethelaserbeamtosquareframe、rectangleshape、lineshape；Withthecomputersimulationanddrawingprogram，thediffractionpattemsaregotinthispapertheresultsagreedwi

5、ththeanticipateddiffractionpatterns；inthispaperwealsodiscussedtheaffectstothediffractionpatternsbychangetheparametersThispaperalsodesignsthecomputeropticalelementsof16levelbasedonthescalarquantitydiffractivetheoryWemainl

6、yreferencetothealgorithmofGS(Gerchberg—Saxton)andimproveitWiththecomputersimulationanddrawingprogram，thediffractionpatternsaregotinthispapertheresultsagreedwiththeanticipateddiffractionpatterns；inthepaperwealsodesignthec

7、omputeropticalelementsthatCanshapethelaserbeamtectangleshape、thesportsmanshape、thebirdshapeandSOonThesimulationresultsagreedwimtheanticipateddiffractionpatternsInthepaperwecomparedthesinmlationresultsofthecomputeroptical

8、elementsbasedonthetwodifferenttheories，andsummarizedtheadvantageanddisadvantageoft11etwodifferenttheoriesThatwillbringLeadingmeaningtothedesignationofthecomputeropticalelementsInchapter5weprovedtheaccuracyofthedesigntheo