20193.碳納米管的非線性光學特性研究

1、分類號。UDc密級公開署斌≯／哮碩士研究生學位論文碳納米管的非線性光學特性研究申請人：學號：培養(yǎng)單位：學科專業(yè)研究方向：指導教師：完成日期：王曉旭2100704電子工程學院物理電子學激光超快技術常青教授2015年3月28日黑龍江大學碩士學位論文AbstractInordertofurtherstudyofthird—orderopticalnonlinearityofmulti—walledcarbonnanotubes，wecompo

2、undmulti—walledcarbonnanotubessynthesizedaqueoussolution，multi—walledcarbonnanotubeschloroformsolutionandmulti—walledcarbonnanotubesisopropylalcoholsolutionButduetothestrongvanderWaalsforcebetweencarbonnanotubesandmakeit

3、easytogatherorbundleintertwined，seriouslyrest@tedthenonlineareffectofcarbonnanotubesTherefore，tostudyofthirdordernonlinearopticalpropertiesofcarbonnanotubes，thefirstwemuststudythedecentralizedapproach，tothisend，weusedine

4、xperimentisdodecylbenzenesulfonicacidsodium，andthroughrepeatedmeasurementsitisconcludedthatthebestproportionisabout1：10Inthispaper，wemainlyuseZscantechnologyandpumpdetectiontechnologyresearchofcarbonnanotubesthirdorderop

5、ticalnonlinearanddynamicprocessUsingpicosecondZscantechnologytomeasureisopropylpureenergyofmultiwalledcarbonnanotubessolution，theresultsshowthatwiththecontinuousincreaseofenergy，thesaturatedabsorptionenhancedgradually，th

6、enonlinearrefractionofthevalleyvaluehasbeensuppressed，graduallydisappearandpeakhasbeenenhancedatthesametime，wealsostudiedthedifferentlineartransmittance(S)ofchloroformsolutionandtheeffectofmultiwalledcarbonnanotubesasthe

7、hoursandpeakvalleydifference，whenitsmaller，theresultismoreobvious，whenitbigger，thelowertheaccuracyofmeasurementUsingfemtosecondZscantechnologytomeasuredifferentenergyofmultiwalledcarbonnanotubeschloroformsolution，theresu

8、ltsfoundthatalreadyexistintheprocessoftheexperimentofsaturatedabsorptionandexistthesaturatedabsorption，withthecontinuousincreaseofenergy，thesaturatedabsorptionhasbeenenhanced，thisisduetothegroundstateelectronresonancewit

9、hthecarriertoabsorbtheresultsofthecompetitionTotestthecorrectnessoftheZscanresults，weusethe4fphasetotestcoherentimagingofsamples，theexperimentalresultsshowthepresentofallcenteredaroundthebright，theroundaredarkimages，canb