The methods of obtaining the stable high quality focus in large field laser processing
- Received Date: 1999-12-06
- Accepted Date: 2000-06-16
- Available Online: 2001-01-25
Abstract: The influence of the delivery distance on the focus quality of laser beam in large field laser processing machine has been discussed and analyzed theoretically. Several kinds of international leading methods for improving the focus quality of laser beam have been described in this paper.