Laser pattern generation using x-y beam deflection

Area of Science:

• Optics and Photonics
• Laser Technology
• Precision Engineering

Background:

• Traditional laser machining systems often lack speed and accuracy over large fields.
• The need for advanced beam deflection techniques is critical for complex pattern generation.

Purpose of the Study:

• To develop a versatile laser pattern generator with high accuracy and speed.
• To enable both random access and raster scan modes for diverse laser machining tasks.

Main Methods:

• Implementation of galvanometers for precise X-Y laser beam deflection.
• Integration of optical beam position detection and digital computer control for random access operation.
• Development of a flying spot scanner mode for raster scanning and simultaneous master copy generation.

Main Results:

• The developed system achieves high accuracy and high-speed laser machining.
• Operation in both random access and raster scan modes is demonstrated.
• Successful simultaneous laser machining of master copies is achieved.

Conclusions:

• The galvanometer-based laser pattern generator offers a significant advancement in laser machining capabilities.
• The system's versatility in operation modes and performance characteristics make it suitable for a wide range of applications.
• This technology enables efficient and precise fabrication of intricate patterns over large areas.