Telescope

Telescope is a simple model of a telescope, consisting of a circular aperture, with or without an inner obscuration, and an applied focus, corresponding to a specified focal distance. At present it does not include a magnification, because we have generally found it convenient to describe optical system dimensions in output space. It has two Light inputs and two Light outputs, used to model both incoming and outgoing light.

C++ type	name	value	description
Parameters
double	focusDistance	1.0e20	Focus distance (m)
double	apertureRadius	1.0	Aperture radius (m)
double	annulusRadius	0.0	Radius of the inner obscuration (m) (set to 0.0 for no obscuration)
Inputs
Light	incomingIncident	Light()	Describes all light incident from the "incoming" direction
Light	outgoingIncident	Light()	Describes all light incident from the "outgoing" direction
Outputs
Light	incomingTransmitted		Describes all light transmitted in the "incoming" direction
Light	outgoingTransmitted		Describes all light transmitted in the "outgoing" direction