(self)
return self[1]
The angle with the optical axis.

        Examples
        ========

        >>> from sympy.physics.gaussopt import GeometricRay
        >>> from sympy import symbols
        >>> h, angle = symbols('h, angle')
        >>> gRay = GeometricRay(h, angle)
        >>> gRay.angle
        angle
The angle with the optical axis.
The angle with the optical axis .
def angle(self):
        """
        The angle with the optical axis.

        Examples
        ========

        >>> from sympy.physics.gaussopt import GeometricRay
        >>> from sympy import symbols
        >>> h, angle = symbols('h, angle')
        >>> gRay = GeometricRay(h, angle)
        >>> gRay.angle
        angle
        """
        return self[1]
def angle ( self ) : return self [ 1 ]