diff --git a/examples/FDTD_examples.cpp b/examples/FDTD_examples.cpp
index 994d401..05eff48 100644
--- a/examples/FDTD_examples.cpp
+++ b/examples/FDTD_examples.cpp
@@ -43,15 +43,46 @@ void BuildDipol(ContinuousStructure &CSX)
 
 void BuildPlaneWave(ContinuousStructure &CSX)
 {
-//	CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
-////	mat->SetKappa(0.001);
-//	CSX.AddProperty(mat);
-//
-//	CSPrimBox* matbox = new CSPrimBox(CSX.GetParameterSet(),mat);
-//	matbox->SetCoord(0,-1000.0);matbox->SetCoord(1,1000.0);
-//	matbox->SetCoord(2,-1000.0);matbox->SetCoord(3,1000.0);
-//	matbox->SetCoord(4,-4000.0);matbox->SetCoord(5,4000.0);
-//	CSX.AddPrimitive(matbox);
+	double width = 1000;
+	double hight = 1000;
+	double length = 4000;
+	double abs_l = 200;
+
+	CSPrimBox* box = NULL;
+	//fake pml....
+	CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
+//	mat->SetEpsilon(3.6);
+	double finalKappa = 0.3/pow(abs_l,4);
+	mat->SetKappa(finalKappa);
+	std::ostringstream fct;
+	fct << "pow(abs(z)-" << length/2.0-abs_l << ",4)";
+	mat->SetKappaWeightFunction(fct.str(),0);
+	mat->SetKappaWeightFunction(fct.str(),1);
+	mat->SetKappaWeightFunction(fct.str(),2);
+	mat->SetSigma(finalKappa*__MUE0__/__EPS0__);
+	mat->SetSigmaWeightFunction(fct.str(),0);
+	mat->SetSigmaWeightFunction(fct.str(),1);
+	mat->SetSigmaWeightFunction(fct.str(),2);
+	CSX.AddProperty(mat);
+	box = new CSPrimBox(CSX.GetParameterSet(),mat);
+	box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
+	box->SetCoord(2,hight/-2.0);box->SetCoord(3,hight/2.0);
+	box->SetCoord(4,length/2.0-abs_l); box->SetCoord(5,length/2.0);
+	CSX.AddPrimitive(box);
+	box = new CSPrimBox(CSX.GetParameterSet(),mat);
+	box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
+	box->SetCoord(2,hight/-2.0);box->SetCoord(3,hight/2.0);
+	box->SetCoord(4,length/-2.0+abs_l); box->SetCoord(5,length/-2.0);
+	CSX.AddPrimitive(box);
+
+	CSPropMaterial* mat2 = new CSPropMaterial(CSX.GetParameterSet());
+	mat2->SetEpsilon(2);
+	CSX.AddProperty(mat2);
+	box = new CSPrimBox(CSX.GetParameterSet(),mat2);
+	box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
+	box->SetCoord(2,hight/-2.0);box->SetCoord(3,hight/2.0);
+	box->SetCoord(4,length/-4.0);box->SetCoord(5,length/4.0);
+	CSX.AddPrimitive(box);
 
 	CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet());
 	elec->SetExcitation(1,1);
@@ -61,28 +92,38 @@ void BuildPlaneWave(ContinuousStructure &CSX)
 //	elec->SetDelay(2.0e-9);
 	CSX.AddProperty(elec);
 
-	CSPrimBox* box = new CSPrimBox(CSX.GetParameterSet(),elec);
-	box->SetCoord(0,-500.0);box->SetCoord(1,500.0);
-	box->SetCoord(2,-500.0);box->SetCoord(3,500.0);
-	box->SetCoord(4,-4000.0);box->SetCoord(5,-4000.0);
+	box = new CSPrimBox(CSX.GetParameterSet(),elec);
+	box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
+	box->SetCoord(2,hight/-2.0);box->SetCoord(3,hight/2.0);
+	box->SetCoord(4,0.0);box->SetCoord(5,0.0);
 	CSX.AddPrimitive(box);
 
-	CSPropMetal* metal = new CSPropMetal(CSX.GetParameterSet());
-	CSX.AddProperty(metal);
-	CSPrimCylinder* cyl = new CSPrimCylinder(CSX.GetParameterSet(),metal);
-	cyl->SetRadius(100);
-	cyl->SetCoord(0,0.0);cyl->SetCoord(1,0.0);
-	cyl->SetCoord(2,-250.0);cyl->SetCoord(3,250.0);
-	cyl->SetCoord(4,-0000.0);cyl->SetCoord(5,-0000.0);
-	CSX.AddPrimitive(cyl);
+	//E-field dump
+	CSPropDumpBox* Edump = new CSPropDumpBox(CSX.GetParameterSet());
+	Edump->SetEFieldDump(true);
+	CSX.AddProperty(Edump);
+	box = new CSPrimBox(CSX.GetParameterSet(),Edump);
+	box->SetCoord(0,width/-3.0);box->SetCoord(1,width/3.0);
+	box->SetCoord(2,0.0);box->SetCoord(3,0.0);
+	box->SetCoord(4,length/-2.0+abs_l);box->SetCoord(5,length/2.0-abs_l);
+	CSX.AddPrimitive(box);
+
+//	CSPropMetal* metal = new CSPropMetal(CSX.GetParameterSet());
+//	CSX.AddProperty(metal);
+//	CSPrimCylinder* cyl = new CSPrimCylinder(CSX.GetParameterSet(),metal);
+//	cyl->SetRadius(100);
+//	cyl->SetCoord(0,0.0);cyl->SetCoord(1,0.0);
+//	cyl->SetCoord(2,-250.0);cyl->SetCoord(3,250.0);
+//	cyl->SetCoord(4,-0000.0);cyl->SetCoord(5,-0000.0);
+//	CSX.AddPrimitive(cyl);
 
 	CSRectGrid* grid = CSX.GetGrid();
 
-	for (int n=-500;n<=500;n+=20)
+	for (int n=width/-2.0;n<=width/2;n+=20)
 		grid->AddDiscLine(0,(double)n);
-	for (int n=-500;n<=500;n+=20)
+	for (int n=hight/-2.0;n<=hight/2.0;n+=20)
 		grid->AddDiscLine(1,(double)n);
-	for (int n=-4000;n<=4000;n+=20)
+	for (int n=length/-2.0;n<=length/2.0;n+=20)
 		grid->AddDiscLine(2,(double)n);
 
 	grid->SetDeltaUnit(1e-3);
@@ -100,7 +141,7 @@ void BuildMSL(ContinuousStructure &CSX)
 	//substrate....
 	CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
 //	mat->SetEpsilon(3.6);
-	double finalKappa = 3.0/pow(abs_l,4);
+	double finalKappa = 0.3/pow(abs_l,4);
 	mat->SetKappa(finalKappa);
 	std::ostringstream fct;
 	fct << "pow(abs(z)-" << length/2.0-abs_l << ",4)";
diff --git a/main.cpp b/main.cpp
index 681dfe7..737cc87 100644
--- a/main.cpp
+++ b/main.cpp
@@ -23,8 +23,8 @@ int main(int argc, char *argv[])
 	cerr << "Create Geometry..." << endl;
 	ContinuousStructure CSX;
 
-	//BuildPlaneWave(CSX);
-	BuildMSL(CSX);
+	BuildPlaneWave(CSX);
+//	BuildMSL(CSX);
 
 	//*************** setup operator ************//
 	cerr << "Create Operator..." << endl;
@@ -39,7 +39,7 @@ int main(int argc, char *argv[])
 	time_t OpDoneTime=time(NULL);
 
 	cop.ShowSize();
-	bool bnd[] = {1,1,0,1,0,1};
+	bool bnd[] = {1,1,0,0,0,0};
 	cop.ApplyMagneticBC(bnd);
 
 	cerr << "Nyquist number of timesteps: " << cop.GetNyquistNum(fmax) << endl;