鍺膜的折射率溫度系數(shù)的理論建模與實驗測量.pdf

1、分類號UDC密級.學校代碼10497Hif^^f學位論文題目鍺膜的折射率溫度系數(shù)的理論建模與實驗測量英文題巨Thetheeticmodelingexperimentalmeasurementofthethermoopticcoefficientfgermaniumfilm研究生姓名姓名黎敏職稱教授學位博士指導教師單位名稱武漢理工大學理學院物理系郵編430070姓名職稱學位副指導教師單位名稱郵編申請學位級別碩士學科專業(yè)名稱

2、光學指導教師論文提交日期2012年4月論文答辯日期2012年5月曰學位授予單位武漢理工大學學位授予日期答辯委員會主席評閱人U^v2012年4月iiABSTRACTThisassayusedKramersKronigfmulatoconnectsemiconductsrefractiveindexwiththeirabsptioncoefficientthusgaveastudyonrefractiveindexthroughthes

3、tudyonabsptioncoefficient.Thisassayproposedatheeticalmodelofthetemperaturecoefficientofasemiconductsrefractivecoefficientatitsabsptionlimit(dndT)bydividingdndTintotwoparts:enhancedpart(dAnldT)unenhancedpart(d△n2dT)thenst

4、udycalculateseparately.Thismodelshowsaconsistanttrendofsemiconudctscalescencecoefficientatstudycondition.Inadditiontotheeticwkthisassayalsoproposedanewlabtestingmethodftemperaturecoefficientofsemiconductsrefractiverate.I

5、nthisnewmethodtheanalyzercanplatethesemiconduct(germaniumwasusedinourtest)asathinfilmontheendofthesinglemodeopticalfibermeasuretherefractivecoefficientwhenthesemiconductisatdifferenttemperaturecalculatethetemperaturecoef

6、ficientoftheconductsrefractiverate.Theauthdiditsanalysisonanemulationalexperimentofsemiconductfilmtheresultshowedthatthefilmthicknesshadagreateffectonexperimentalsensitivityalsothetheeticalcalculation.Tomakesuretheopticq

7、uality(refractiverateandabsption)ofplatedconductfilminthiscaseplategermaniumfilmisclosetostardgermaniumwemadegermaniumfilmsusingdifferentplatingmethodsmethodoneismagronsputteringplatingmethodtwoisvacuumevapatingplating.T

8、hesemiconductsopticalconstantbytwomethodsthenwasanalyzesbyhighprecisionellipsometerytestingresultshowedthatmethodtwoprovidedagermaniumfilmwhoseopticalconstantisclosertostandardgermaniums.KeyWds:thermoopticcoefficientabsp