Laser assembly (according to Renishaw documents) | Download Scientific Diagram
Renishaw XL-80 laser interferometer | eBay
Renishaw laser calibration system provides 1 nm resolution | Laser Focus World
Rapid calibration method for measuring linear axis optical paths of computer numerical control machine tools with a laser interferometer | SpringerLink
Renishaw enhanced its Linear diagonal measurement kit with XL-80 laser system - EXPO21XX.com NEWS