Change default number of RF frequency points per k for absorption calculation from 2000 to 200.

src/tetrax/core/experimental_setup.py

@@ -80,7 +80,7 @@ class ExperimentalSetup:
             self.dispersion = dispersion
             return dispersion
 
-    def absorption(self, auto_eigenmodes=False, fmin=0, fmax=50, Nf=2000, k = None):
+    def absorption(self, auto_eigenmodes=False, fmin=0, fmax=30, Nf=200, k = None):
         if self.sample.mag is None:
             print("Your sample does not have a magnetization field yet.")
         else: