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- ½ð±Ò: 10.5
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- ³æºÅ: 4631710
- ×¢²á: 2016-04-27
- ÐÔ±ð: MM
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from camfr import * from matplotlib.pyplot import * from numpy import * set_lambda(1.55) set_N(1) set_polarisation(TE) sio2=Material(1.45) silicon=Material(3.46) air=Material(1.0) w2=arange(0.01,6,0.8) transmission=[] for tw in w2: slab=Slab(sio2(4.995)+silicon(0.01)+sio2(4.995)) slab=Slab(sio2(5-w2/2)+silicon(w2)+sio2(5-w2/2) x=arrange(0,tw,0.8) field1=[slab.mode(0).field((coord(tx,0,0).E1() for tx in x] field2=[slab.mode(0).field((coord(tx,0,0)).E1()*(slab.n(Coord(tx,0,0)))**2 for tx in x] index=[slab.n((coord(tx,0,0)) for tx in x] M=max(field) y=M/2 [m,n]=find(abs(M-y)<0.00001) Q=m-n plot(x,real(Q)) plot(x,absolute(index)) show() ÕâÊÇÎÒдµÄ£¬Ï£ÍûÖ¸µã¡£¡£¡£¡£¡£ |
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