analysis: analysis::abcd_optics::qparms::__init_

def __init__	(	self,
		lambda0,
		q = `None`,
		w = `None`,
		r = `None`
	)

Definition at line 27 of file abcd_optics.py.

00027                                                      :
00028     if q is None:
00029       if r is Infinity:
00030         rinv=0
00031       else:
00032         rinv=1.0/r
00033       self.q=1.0/ complex(rinv , -lambda0 / (math.pi*w**2) )
00034       self.w=w
00035       self.r=r
00036     else:
00037       self.q=q
00038       qi=1.0/q
00039       self.w=math.sqrt(-lambda0/qi.imag/math.pi)
00040       if abs(qi.real) < 1e-15:
00041         self.r=Infinity
00042       else: 
00043         self.r=1.0/qi.real      
00044     self.lambda0=lambda0
00045   
  def __str__(self):