Optical sensors are successfully used for measurement in many areas, such as the position sensing of moving objects or the measurement of distance. The types of sensor elements used in these ...

The modulation transfer function (MTF) is a critical metric for assessing the performance of optical imaging systems, providing a quantitative measure of how effectively these systems transfer ...

Freeform optical system design and metrology represent a paradigm shift in the development of imaging and sensing technologies. By allowing optical surfaces to depart from traditional rotational ...

The Korea Research Institute of Standards and Science has successfully developed a length measurement system that achieves a level of precision approaching the theoretical limit allowed by quantum ...