HW7_soln - In[81]:= Out[86]= In[11]:= Out[11]= In[29]:=...

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In[81]:= lambda = 1.5 × 10^ 4; hnu = 6.625 × 10^ 34 3 × 10^10 ê lambda; tau = 150 × 10^ 9; dnu = 25 10^12 ; n = 1.5; sigma = lambda^2 êH tau 8 dnu Pi n^2 L Out[86]= 1.06103 × 10 16 In[11]:= gammath = H 1 ê 0.4 L Log @ 1 êH .90 .996 0.999^4 LD Out[11]= 0.283426 In[29]:= deltaN = gammath ê sigma Out[29]= 2.67123 × 10 15 l2 = 88 1., 3 < , 8 0, 1. << ; r = 88 1., 0 < , 8 1 ê 5, 1. << ; l3 = 88 1., 6.0 < , 8 0, 1. << ; abcd = l2.r.l3.r.l2 êê N; a = abcd @@ 1, 1 DD ; b = abcd @@ 1, 2 DD ; c = abcd @@ 2, 1 DD ; d = abcd @@ 2, 2 DD ; s = H a + d 2; omega = Sqrt @H lambda êH Pi LL Abs @ b Sqrt @ 1 s^2 DD H I have neglected the 2 mm of transmission through the xtal. L H Because the beam is basically collimated by the time it reaches the xtal, L H this will not cause a problem L Out[27]= 0.014792 beamArea = Pi omega^2; volume = beamArea 0.2; nthreshold = deltaN volume; spontaneouspower
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This note was uploaded on 07/09/2009 for the course M&AE 326 taught by Professor Psiaki during the Spring '08 term at Cornell University (Engineering School).

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HW7_soln - In[81]:= Out[86]= In[11]:= Out[11]= In[29]:=...

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