diff --git a/shg/modelocksimul.m b/shg/modelocksimul.m
index 2eb0c00..0c6dac7 100644
--- a/shg/modelocksimul.m
+++ b/shg/modelocksimul.m
@@ -4,7 +4,7 @@ str=['load ' file '.txt'];eval(str);
 str=['Ls=1e-3*' file '(:,1);'];eval(str);
 str=['spec=' file '(:,2);'];eval(str);
 
-file='maggio10_1557';
+file='caf2_maggio10_1725';
 str=['load ' file '.dat'];eval(str);
 str=['SHGx=' file '(:,1);'];eval(str);
 str=['SHGy=' file '(:,2);'];eval(str);                
@@ -20,8 +20,10 @@ lambda0=0.786; %lunghezza d'onda centrale in micron
 w0=2*pi*c/lambda0;%pulsazione centrale in fs^-1
 kk=1;
 
+%w=(2.122:5e-5*2*pi:2.75);% fs^-1
 w=(2.122:5e-5*2*pi:2.75);% fs^-1
 
+
 nn=find(Ls<0.6);spec=spec-mean(spec(nn));spec=spec/max(spec);
 specI=interp1(c./Ls*2*pi,spec,w,'linear',0);
 specI2=exp(-4*log(2)*(w-w0).^2/Dw^2);
@@ -30,13 +32,13 @@ figure(1)
 plot(w,specI,'.',w,specI2,'.')
 
 
-L=0;   %micron
+L=3300;   %micron silica e CaF2
 
 % %silica
-n0=1.453;%indice di rifrazione
-d1nl=-0.01728;%derivata prima di n in lambda micron^-1
-d2nl=0.03988; %derivata seconda di n in lambda micron^-2
-d3nl=-0.2388; %derivata terza di n in lambda micron^-3
+% n0=1.453;%indice di rifrazione
+% d1nl=-0.01728;%derivata prima di n in lambda micron^-1
+% d2nl=0.03988; %derivata seconda di n in lambda micron^-2
+% d3nl=-0.2388; %derivata terza di n in lambda micron^-3
 
 % % BK7
 % n0=1.511;%indice di rifrazione
@@ -45,10 +47,10 @@ d3nl=-0.2388; %derivata terza di n in lambda micron^-3
 % d3nl=-0.2877; %derivata terza di n in lambda micron^-3
 
 % % % CaF2
-% n0=1.4306;
-% d1nl=-0.0104;
-% d2nl=0.0304;
-% d3nl=-0.1662;
+n0=1.4306;
+d1nl=-0.0104;
+d2nl=0.0304;
+d3nl=-0.1662;
 
 % % Calcite ordinario
 % n0=1.6488;
@@ -97,7 +99,9 @@ end
 toc
 
 figure(2)
-plot(t,y1)
+plot(t,real(y1))
+% i termini y1^4 sono solo additivi, non si considerano, questo genera
+% l'"artificio" di una funzione risposta negativa.
 shg1=4*xcorr(y1.^2,y1.^2)+1*(4*xcorr(y1.^3,y1)+4*xcorr(y1,y1.^3));
 dimt=length(t)-1;
 SHG1=shg1(dimt/2+1:dimt*3/2+1);
@@ -109,4 +113,9 @@ SHG1filter=real(ifft(A));
 figure(3)
 % plot(t,SHG1/max(SHG1),t,SHG1filter/max(SHG1filter),SHGx,SHGy)
 % plot(t,SHG1/max(SHG1)*4.5,t,SHG1filter/max(SHG1filter),'k',SHGx-0.1,SHGy,'r');xlim([-400 400])
-plot(t,SHG1filter/max(SHG1filter),'k',t,exp(-4*log(2)*t.^2/(2^0.5*Dt)^2),'b',SHGx,SHGy,'r');xlim([-400 400])
\ No newline at end of file
+plot(t,SHG1filter/max(SHG1filter),'k',t,exp(-4*log(2)*t.^2/(2^0.5*Dt)^2),'b',SHGx,SHGy,'r');xlim([-400 400])
+% plot(t,SHG1/max(SHG1),'r',t,SHG1filter/max(SHG1filter),'k');
+if 0, 
+    AA=[t' (yy-Ybkg)']; str=['save ' filecommon '.dat AA -ascii;'];eval(str);
+    AA=[t' (SHG1/max(SHG1))' (SHG1filter/max(SHG1filter))']; str=['save shg_simul.dat AA -ascii;'];eval(str);
+end;
\ No newline at end of file