Definition at line 197 of file general_optics.py. 00197 : 00198 "get the radius of curvature r and the spot size w for a given inverse qi assuming our wavelength and index of refraction" 00199 w=math.sqrt(-self.lambda0/qi.imag/math.pi/self.medium_index) 00200 if abs(qi.real) < 1e-15: 00201 r=Infinity 00202 else: 00203 r=1.0/qi.real 00204 return r, w 00205 def next_waist(self):
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1.5.4