Optical dimension measurement equipment is used to accurately measure the dimensions of objects using optical technologies. These systems typically use cameras, lasers, or other light-based sensors to capture images or profiles of an object and then analyze the data to determine dimensions such as length, width, height, and other geometric features.
Linear and nonlinear optics in optics is the study of light and its interaction with matter. In linear optics, the response of a material responds linearly to the intensity of light. In contrast, nonlinear optics involves materials that not only respond to the intensity of light, but do so in a more complex manner.