顆粒光散射能力的評(píng)價(jià)及散射反饋的激光特性研究.pdf

1、復(fù)旦大學(xué)博士學(xué)位論文顆粒光散射能力的評(píng)價(jià)及散射反饋的激光特性研究姓名：朱九皋申請(qǐng)學(xué)位級(jí)別：博士專(zhuān)業(yè)：光學(xué)指導(dǎo)教師：李富銘2001.4.1ABSTRACTInthispaperwestudytheevaluationofextinctionabilityscatteringabilityandabsorptionabilityofparticleandthelaseractionwhichfeedbackwasrealizedbv●’SO

2、a甜ererInChap1，thebackgroundandoutlineofthisthesiswereintroducedbrieflyInChap2，webrieflyintroducetwowell—knownscatteringtheories，RayleightheoryandMietheoryandoriginalmethodtoevaluatetheextinctionabilityscatteringabilityan

3、dabsorptionabilityofparticleInChap3，SwansonexperimentwasbrieflyintroducedfirstlySwansonexperimentindicatesthatlightattenuationcanbeunderstoodbyMietheoryinwiderrangethanoriginalviewpointOnthebasisofit，weintroduceanideatha

4、tusingvolumeratiotoevaluatetheextinctionabilityscatteringabilityandabsorptionabilityofparticleandSwansonmethod，whichalsoproposedbySwansonThenwepointtheshortcomingofSwansonmethodandproposeanewmethodtoevaluatetheextinction

5、abilityscatteringabilityandabsorptionabilityofparticleinscatteringsystemItsadvantagewasexplainedanditwascomparedwithoriginalmethodwithexamplesNewmethodmaybeusedtOdetermineoptimumscatteringmaterialsandsizesforstronglyscat

6、teringsystemsuchaslightlocalizationInChap4westudytheextinctionpropertyofrefractivematerialparticle，metalparticleandsemiconductorparticlebythenewmethodproposedinChap3Theextinctionpropertyofrefractivematerialparticlewasgen

7、erallystudiedAlsowediscusstheimpactofdistributionofparticlesizetolightextinctionandtherealizationoflightlocalizationItshowsthatsemiconductorparticleisaidealscatteringmaterialforlongwavelengthlightandrefractiveparticlefor

8、otherwavelengthlightInChap5，weintroducedtherealizationoflaseractioninstronglyscatteringgainmediafirstlyThen，werealizedthelaseractionincolloidcomposedby1702particleandpyrromethene一567solution，whichpumpedby532HmlaserThenth