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Abla

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[ÇóÖú] Çó°ïÎÒ¿´¿´Õâ¸ö³ÌÐòÄÄÀï³öÁËÎÊÌⰡΪʲôÊä³öµÄ¶¼ÊÇ1ÕâÌõÖ±Ïß

nh = 2.22
nl = 1.41
c = 3*10^8
dh = (692*10^-9)/(4*nh)
dl = (692*10^-9)/(4*nl)
ps = Cos[Pi/6]
a = Sqrt[1 - (1/(2*2.22))^2]
b = Sqrt[1 - (1/(2*1.41))^2]
p1 = a/2.22
p2 = b/1.41
k1[w_] = w/(3*10^8)*2.22*a
k2[w_] = w/(3*10^8)*1.41*b
MatrixForm[n1[w_] = {{Cos[k1[w]*dh], I*1/p1*Sin[k1[w]*dh]}, {I*p1*Sin[k1[w]*dh], Cos[k1[w]*dh]}}]
MatrixForm[n2[w_] = {{Cos[k2[w]*dl], I*1/p2*Sin[k2[w]*dl]}, {I*p2*Sin[k2[w]*dl], Cos[k2[w]*dl]}}]
n[w_] = n1[w].n2[w].n1[w].n2[w].n1[w].n2[w].n1[w].n2[w].n1[w].n2[ w].n1[w];
x11[w_] = Part[n[w], 1, 1];
x12[w_] = Part[n[w], 1, 2];
x21[w_] = Part[n[w], 2, 1];
x22[w_] = Part[n[w], 2, 2];
t[w_] = (2*Sqrt[3]/2)/(Sqrt[3]/2*x22[w] + Sqrt[3]/2*x11[w] - 3/4*x12[w] - x2[w]);
t1[w_] = Re[t[w]]
t2[w_] = Im[t[w]]
st[w_] = Sqrt[t1[w]^2 + t2[w]^2];

T[w_] = st[w]^2;
Plot[T[w], {w, 0, 2}, AxesOrigin -> {0, 0}]
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[ Last edited by Abla on 2013-1-9 at 14:08 ]
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Abla

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ÒýÓûØÌû:
4Â¥: Originally posted by walk1997 at 2013-01-10 09:22:51
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7Â¥2013-01-10 09:39:30
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Abla

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2Â¥2013-01-09 14:20:36
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mshwangg

ÖÁ×ðľ³æ (ÕýʽдÊÖ)

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jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2013-01-10 10:38:19
Abla: ½ð±Ò+2 2013-01-10 14:29:57
´ÓÏÖÔڵijÌÐòÉÏ¿´£¬ÕâÒ»¾ä
t[w_] = (2*Sqrt[3]/2)/(Sqrt[3]/2*x22[w] + Sqrt[3]/2*x11[w] - 3/4*x12[w] - x2[w]);
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3Â¥2013-01-10 06:34:00
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

walk1997

½ð³æ (ÖøÃûдÊÖ)

¡ï ¡ï
jjdg: ½ð±Ò+2, ÐÁ¿àÁË 2013-01-10 10:38:44
Õâ¸ö³ÌÐòÀïÃæ Äã×Ðϸ¿´Ï ÄãµÄÊäÈë
n1[w]  n2[w]  n[w] ÔÚСwÇé¿öÏ ²î²»¶à¾ÍÊǸöµ¥Î»¾ØÕó Äã×îºóËã³öÀ´µÄ×ÔÈ»²î²»¶àÊǸöÖ±Ïß
°Ñ»­µÄ·¶Î§¸ÄϾͺà ²»¹ý ¹À¼ÆÄãÊäÈëµÄ²ÎÊý¿ÉÄÜÓеãÎÊÌâ
£­--------------------------------------------------------------------------
Clear["Global`*"]
nh = 2.22
nl = 1.41
c = 3*10^8
dh = (692*10^-9)/(4*nh)
dl = (692*10^-9)/(4*nl)
ps = Cos[Pi/6]
a = Sqrt[1 - (1/(2*2.22))^2]
b = Sqrt[1 - (1/(2*1.41))^2]
p1 = a/2.22
p2 = b/1.41
k1[w_] := w/(3*10^8)*2.22*a
k2[w_] := w/(3*10^8)*1.41*b
n1[w_] := {{Cos[k1[w]*dh], I*1/p1*Sin[k1[w]*dh]}, {I*p1*Sin[k1[w]*dh],
    Cos[k1[w]*dh]}}
n2[w_] := {{Cos[k2[w]*dl], I*1/p2*Sin[k2[w]*dl]}, {I*p2*Sin[k2[w]*dl],
    Cos[k2[w]*dl]}}
n[w_] := n1[w].n2[w].n1[w].n2[w].n1[w].n2[w].n1[w].n2[w].n1[w].n2[
    w].n1[w];
x11[w_] := Part[n[w], 1, 1];
x12[w_] := Part[n[w], 1, 2];
x21[w_] := Part[n[w], 2, 1];
x22[w_] := Part[n[w], 2, 2];
t[w_] := (2*Sqrt[3]/2)/(Sqrt[3]/2*x22[w] + Sqrt[3]/2*x11[w] -
     3/4*x12[w] - x21[w]);
t1[w_] := Re[t[w]]
t2[w_] := Im[t[w]]
st[w_] := Sqrt[t1[w]^2 + t2[w]^2];
T[w_] := st[w]^2;
Plot[T[w], {w, 1*10^16, 1*10^16 + 10^15}]
£­----------------------------------------------------------------------------
4Â¥2013-01-10 09:22:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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