Mobile devices for tracking a radiation disk light source and methods using same

A mobile radiation disk light source tracker system mounted on a platform, the system comprising:

• a first stepper motor and a second stepper motor;
• a first mirror, wherein the first mirror is mounted at a 45° angle on the first stepper motor;
• a second mirror, which is mounted at a 45° angle opposite from the first mirror;
• and wherein the first and second mirrors are mounted onto a rotational stage that is coupled with the second stepper motor, wherein the rotational stage allows for 360° rotation of the first and second mirrors;
• a lens and an aperture plate, which are set up such that light source incoming radiation that is reflected by the first mirror onto the second mirror is then reflected by second mirror onto the lens, wherein the lens focuses the incoming radiation disk onto a front side of the aperture plate;
• a motion compensation system that measures in real time the pitch, roll and heading information (Euler Angles) of the platform, which is used to calculate the light source position relative to the platform in real time;
• an imaging monitoring system that is capable of measuring the position of the incoming radiation disk focused onto the front side of the aperture plate,
• wherein the first and second stepper motors are controlled to ensure that the incoming radiation focused onto the front side of the aperture plate is within the imaging device's field of view.