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clear all; clc; as=0.075;L=8;T=0.96;d=10;sigma=2.5e-24;ts=0.8e-3;h=6.63e-34;n=1.46; c=3e08;lamdaP=975e-9;aa=1.2;lamdaS=1064e-9; delta=2*as*L-log(1-T); deltaNt=(pi*delta*d^2)/(8*sigma); tc=2*n*L/(c*delta); Pin=1:1:1000; syms E deltat Pin eq1='deltaNin=(ts*lamdaP/(h*c))*(1-exp(-L*aa))*Pin'; eq2='deltaNf/deltaNin=1+(deltaNt/deltaNin)*log(deltaNf/deltaNin)'; eq3='E=(h*c*T/(lamdaS*delta))*(deltaNin-deltaNf)'; eq4='deltat=tc*(deltaNin-deltaNf)/(deltaNt*log(deltaNt/deltaNin)-(deltaNt-deltaNin))'; Pin=solve('eq1','eq2','eq3','eq4',E,deltat); plot(Pin,E); ÏëÓÃPinÕâ¸ö±äÁ¿À´±íʾEºÍdeltatµÄ£¬È»ºóÔÙ»³öPin-EÇúÏߺÍPin-deltatÇúÏߣ¬³ÌÐò±¨´í£¬²»ÖªµÀÔõô¸ÄÁË ËùÓнð±Ò·îÉÏ£¡ |
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