磁光調(diào)制偏振測(cè)量.pdf

1、西北大學(xué)碩士學(xué)位論文磁光調(diào)制偏振測(cè)量姓名：李丹申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：光學(xué)指導(dǎo)教師：李小俊20100617ABSTRACTInrecentyears，withthedevelopmentofoptoelectronictechnologytheresearchesandapplications，relatedwithmagnetoopticeffectinphotonics，computerinformationprocessing，o

2、pticalfibercommunication，scientificresearchandmagneticmeasurementmethods，havebecameextensiveandintensiveNowadays，itisinevitablethattheexistingmeasuringmethodsofgeomagneticfieldbasedonmagnetoopticeffectshowssomedefectsIno

3、rdertofurtherimprovetheefficiencyoftheexistinggeomagnetismmeasurement，weputforwardanewmeasuringmethodofthegeomagneticfieldbyusingtheprincipleofmagnetoopticeffect—magneticrotationimagingmethodAccordingtotheprinciple，thism

4、easuringmethodhassomecharacteristicssuchasimagingabilitythree—dimensionalresolution，highmeasurementspeed，nomeasurementblindThemagneticrotationimagingmethodisacompletetechniquesystem，andtherelatedresearchesareimprovingste

5、pbystepSomeexperimentsareexpoundedinthepapertooffersomereliabledataandeffectiveexperimentprogramandexplorethespecificmethodstoachievethetechnologyincludingthefollowingwork：(1)Summarizethedevelopmentandapplicationofthemea

6、suringmethodsofgeomagneticfieldtechnologysystematicallyatpresent；analyzethelimitationsoftheexistingmethods；putforwardanewmeasurementmethodofgeomagneticfield，———magneticrotationimagingmethod，andintroducetheinvolvedtheorie

7、sandfeatures(2)Introducethemagneto—opticeffectbyusingthreekindsofmagnetoopticprinciples，emphasizingtheFaradaymagnetoopticeffectTheseprovidetheoreticalsupportforthemagnetoopticalimagetechnology(3)Performcomputesimulations

8、basedontheprinciplesofmagnetoopticalmodulation一theintegrationofMaLuSlawandlissajous’figure，includingthesinewave，thetriangularwave，thesawtoothwave，andtherectangularwavemagnetoopticalmodulationsmodelingAnalyzeandsummarizet

9、hepropertiesofthefourwavemagnetoopticalmodulationsFocusontheresearchofthesinewavemagneto—opticalmodulation—frequencymultiplicationmethod，andanalyzetheprecisionofthismethod(4)Compareandsummarizesimulationsoftherectangular

10、waveandotherwavemagnetoopticalmodulationsExperimentallystudytherectangularwavemagnetoopticalmodulation，andanalyzethemeasuringprecisionofthismethodTheconclusionshowedthatrectangularwavemagnetoopticalmodulationpossessedpar