x,y_real, y_imag 4500,-1.3346e-09,-8.0732e-09 4525,-9.2066e-09,-8.5469e-09 4550,-1.6314e-08,-1.905e-09 4575,-1.6895e-08,1.559e-08 4600,1.9871e-08,3.2061e-08 4625,1.6051e-08,-2.5292e-08 4650,-7.6155e-09,-1.0821e-08 4675,-7.3631e-09,-3.02e-09 4700,-6.2533e-09,6.5598e-10 4725,-2.8841e-09,2.3036e-09 4750,-1.6998e-09,5.3525e-10 4775,-2.9231e-09,-5.4448e-10 4800,-5.2326e-09,1.4867e-09 4825,-3.6496e-09,6.3652e-09 4850,3.1235e-09,4.638e-09 4875,2.0136e-09,-6.2765e-10 4900,-8.0153e-10,4.8726e-10 4925,-7.7201e-10,4.0619e-10 4950,-2.1933e-09,1.6154e-09 4975,-5.2501e-10,4.0158e-09 5000,1.7162e-09,2.7414e-09