Product Design of Macro Optical Clocking by Ray OpticsV. Vinothkumar, R. C. Thiagarajan ,
 ATOA Scientific Technologies Pvt Ltd, Bangalore, India.
Optical cloaking was considered as fictional. Recent developments shows that macro scale optical cloaking is practical and functional. Brief review of ray optics based macro optical cloaking concepts are given. COMSOL Multiphysics® software simulations of cloaking devices are detailed. The geometric optics principles used to develop cloak for hiding objects are given. Invisibility of both the object and the cloak is demonstrated using simulations of macro scale systems and without meta materials.