3.2光波在金属表面的透射和反射ppt课件

1、)1 (QdD)2(0dB) 3(dtBl dE) 4(dtDIl dH)7(tBE)5(D)6(0B)8(tDjH00j和,0 (4) (3) (2) 0(1) 0tEBtBEBEtDjHBDtBE0磁导率介电常数电导率 1 BHEDEj222tEE222tBB22221tAVA1v212100)()(rrvcn(2) 01(1) 012222222222tBvzBtEvzE)()(21vtzfvtzfB)()(21vtzfvtzfE)(vtzfE)(vtzfB是常矢量是一个常数，式中A,A)(2cos)(2cosvtzABvtzAE)cos(trkAE)(exptrkiAE)exp(rk

2、iAE0Ek0BkEkBBEk1BEk,v1BE0cos),(tkrratrA)(exp1tkrirAE)exp(1ikrrAE)(exp1tkrirAE)exp(1ikrrAE)/(212132mJEDEE)/(212132mJBBHmmE)/(1322mJBEmEBES12AI 212AI 2202202121)(cos11AAdttkrASdts0)(0)(0)(0)(21212121HHnEEnDDnBBn211rkrkrk211)exp)(exp)(exp222111111trkiAntrkiAntrkiAn（)sin()sin(coscoscoscos21210000tititit

3、isisrsisrsnnnnAAEEr)sin(cossin2coscoscos22110000tiittiisistsistsnnnAAEEttitipiprpnnnnEErcoscoscoscos121200tiipiptpnnnEEtcoscoscos212100)cos()sin(cossin2)()(titiitptitipttgtgr)sin(cossin2)sin()sin(tiitstitistrnntgB12121210nnnnr21102nnnt2rIIsisrsisrssWWR212coscoscoscossitistsitistsstIIWWTnn2rpiprpiprp

4、pIIWWR212coscoscoscostnnpitipitptiptppIIWWTnnc12sin)exp(coscos2121rssiisiinninnrr)exp(coscos1212rppiipiiirnnnnr12rspsRRRiirpiirsnntgntgcossin2cossin222222nnn12iinpstgtg2221sinsincos220sinsincos22122121npstgtg)(exp)exp(222txkikzAEx112sin2xk11sinvv 1EjtDEHtBEBE000222tEtEE)exp()(),(1tirEtrE22tEitE222)(

5、tEiE0222tEtEEn表明在金属中传播的平面波的波矢量K为复数i)(12iv)(exptrkiAE022ikik)(exp)exp(trirAE0)2(222ii21222)(exp)exp(tzizAE21212222121222)2()11(21)2()11(211210)2(1znmz30v , kn )exp()1icAvcikninknn（n nknnknnnrR21)1 (21)1 (11222222)()()sin()sin(21212121tgtgrrps12sin1sinnn 2221122212)cos()cos(knnknnrRss22122212)cos1()cos1(knnknnrRpp1RR90ps01时,12ps)1 (iknn)(exp)exp()(exptzcnizcknAt