Optical metrology is a crucial tool used in industrial automation to increase productivity and quality levels via 100% inspection rates. Thanks to the latest leaps towards higher resolution and frame rates of image sensors accompanied by mature high-bandwidth camera interfaces like USB3.0, optical metrology today allows for very fast analysis of 2-D and 3-D objects with unprecedented accuracy. This article provides considerations and reasoning on how to select the right key system components, especially cameras, for different metrology applications.
System Parameters and Accuracy in Optical Metrology