Laser beam control with wideband magnetic-electric scanners: technology and applications

Anatoly S. Boreisho; Alexander F. Leonov

doi:10.1117/12.165200

29 December 1993 Laser beam control with wideband magnetic-electric scanners: technology and applications

Anatoly S. Boreisho, Alexander F. Leonov

Proceedings Volume 1987, Recording Systems: High-Resolution Cameras and Recording Devices and Laser Scanning and Recording Systems; (1993) https://doi.org/10.1117/12.165200
Event: Electronic Imaging Device Engineering, 1993, Munich, Germany

Abstract

Scanning performance defines mainly capabilities of laser display systems. The use of mirror galvanometers provides simple reliable and inexpensive devices for the laser beam scanning. Maximal deflections of mirrors and a frequency band depend on both the mirrors' dimensions and the magnetic system's features. On the other hand the mirrors' areas, their deflections, and frequency band determine the laser beam image performance. An amplitude response of the galvanometers under various mirror designs and different kinds of magnetic materials has been studied over the frequency range from 0 to 6000 Hz and angles of deflection to +/- 7 degrees. Our results demonstrated a small cross-section laser beam's successful control over a frequency range to 3500 Hz without any feedback. The investigation allowed us to develop improved wideband scanners with light-weight mirrors and high residual magnetization magnetic systems.

Citation Download Citation

Anatoly S. Boreisho and Alexander F. Leonov "Laser beam control with wideband magnetic-electric scanners: technology and applications", Proc. SPIE 1987, Recording Systems: High-Resolution Cameras and Recording Devices and Laser Scanning and Recording Systems, (29 December 1993); https://doi.org/10.1117/12.165200

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