Consideration of the principle for rectilinear scanning of a parabolic mirror in front of the objective lens
- Received Date: 1990-06-11
- Available Online: 1991-07-25
Abstract: To form the clear image in a wider view-field,the focus objective of the laser scanning system is either fθ lens or a parabolic mirror in front of the objective.In this paper,the imaging characters and design methods of the parabolic mirror scanning system are analyzed theoretically.