In [1]:
from numpy import *
In [2]:
import matplotlib.pyplot as plt
In [3]:
f = genfromtxt("strip-wvg-bands.dat", delimiter=",")
In [4]:
plt.plot(f[:,0],f[:,1:],'b-',f[:,0],f[:,0]/1.45,'k-');
In [5]:
plt.xlabel("wavevector k_x (units of 2\pi\mum^{-1})");
In [6]:
plt.ylabel("frequency (units of 3x10^{14} Hz)");
In [7]:
plt.axis([0,2,0,1]);
In [8]:
plt.show()
