大学物理学：第二章 光的衍射

1、ESESrSnPdS)2(0trSnPdS)2(rt )2cos()(rtrdSKCdErSnPdSSdEPE)(ES光源光源ESESfABaPfABaP3A1A2AaABC1A2AaAB1AC3 , 2n2) 12(sinka2, 1k22sin ka02) 12(sinka2, 1k22sin kasin)sin(20auuuII,/46. 2,/43. 1sina a,kukasin,/5 . 2,/5 . 1sina asin0IIa23a25a23a25aa0a1sin12faf2kasinf1110tg2fx 0 xak2) 12(sinka22sin kaa01sin2fxl20

2、af211P0 xf1tg2f310101 . 01050005 . 02mm5afl2012sinsinffl)2(aafafmm5 . 2mmaAmfo1 . 050005 . 0ESESr61. 0sin1d22. 11ESsin0IIr610.0r610.0E1S2S1A2AE1S2S1A2AE1S2S1A2A1Rd22. 11E1S2S1A2Ad22. 1RR1d22. 11dR22. 1abxsinddbadsinndE0Psin20ndabxsinddE0Psin)(2ba0A0A0A0A0A0A0NAA kbasin)(2, 1, 0ksin)(2bak2)2( )(kNNkb

3、asin)(,2),12(),1( ,),1(2 , 1 , 0NNNNNk0k12sin)(2bakbasin)(, 2 , 1 , 0,kkNkI,2),12(),1( ,),1(2 , 1 , 0NNNNNk0k12II)sin(sin)sin(sinsin)sin(sin222220ddNaaAI）（01122334455660II011220112233445566kbasin)( sinka)sin(sin)sin(sinsin)sin(sin222220ddNaaAI）（ kabak, 2, 1 k, 2, 1, 0,sin)(kkbaNkbasin)(,2),12(),1( ,

4、),1(2 , 1 , 0NNNNNkkbaksin)(kbaksin)(NkNbak1)sin()()sin(,1)cos(kbaNcos)( ACBkba)sin)(sin(2, 1, 0kACB0, 00, 0kba)sin)(sin(cos)(bakddRkbaNcos)( kba)sin)(sin(ddcos)(bakddkbaNcos)( )(ddkNRkN1sin)sin(sin22）（aasincos4220dAI 02044IAIsincos4220dAI 2cos420 IIsin2bcos22121IIIIIsincos4220dAI sin)(2ba2cossin422

5、20uuIIsinau 200AI kdsintgfxksinfdkfkkxxx1df310104 . 01048002m3104 . 2kdsin5k4, 3, 2, 1, 0k9Nkdsin sinka1 kmmdmma40. 008. 0bamm310250012bakmax331059. 010239. 3kbasin)(, 2, 1, 0kmmba3102)30sin()90)sin(00maxbak08. 5mmba3102kba)sin)(sin(030)30sin()90)sin(00maxbak69. 1mmba3102kba)sin)(sin(030kbasin)(, 1, 0k090bakmax28. 4 kabak 3kk , 2 , 1 k4maxk3kcmdcma4410310AKECPPABCOBCAC sin2d,kkd21sin2,kkd21sin2暗纹 ka22