It is used for the design and analysis of optical systems.
Rather than illuminating objects, they simply measure what is received through the optical system.
The report concluded that the other remaining problem was in the optical and computer systems.
Details of a specific TV set with its optical system can be found here.
Other optical systems do not use the "mirrors" technology, and are considered more robust.
This can be used to determine the state of the optical system at any point in time.
We'll get to the new stuff in a minute, but let's begin with a look at why current optical systems are hitting the wall.
Two such points are called a stigmatic pair of the optical system.
An error of that magnitude is considered huge for a complex optical system.
Single beam machines have simple optical systems and are more compact.