Improving Synthesis Accuracy of Topology Elements in Laser Pattern Generators with Circular Scanning Mode

  • A. V. KiryanovEmail author
  • V. P. Kiryanov
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)


Possible ways of improving the accuracy of topology elements in laser pattern generators based on the circular scanning principle are analyzed. The most important sources of errors induced by the system of radial displacements and by the rotation of the rotor of the mechatronic module are studied. For the image generators with circular scanning, the principles of decreasing the main components of the operation instability are described. The method of improving the accuracy of the same generators is proposed. The result is achieved by using two hybrid angular encoders and two-coordinate deflector in it. The use of hybrid angular encoders allows making measurements of the turning angle and current radial deflections of the angular coordinate laser pattern generator rotor axis simultaneously. For that two measuring patterns, radial raster for measuring angular displacement and ring for measuring linear shift raster in a tangential direction are formed on a single glass basis for one technological process. The use of a two-coordinate deflector allows one to make the correction interaction of the laser beam with the photosensitive material.


Laser pattern generator with circular scanning mode Optoelectronic angular encoder Mechatronic module Hybrid angular encoder 



The authors express their gratitude to Dr. V. E. Zyubin and Chief programmer of the laboratory A. D. Petukhov for providing the results of the numerical simulation of the instantaneous velocities field of the carrier surface displacements and to Dr. V. P. Korolkov for providing microphotography of the distorting influence experimentally registered in the photoresist.


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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Siberian Branch of the Russian Academy of Sciences (IA&E, SB RAS)NovosibirskRussia

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