Research on optimum cut direction of quartz transducer

Xuejing Zhang; Kuanxin Yu; Jingfeng Zhou

doi:10.1117/12.783374

27 November 2007 Research on optimum cut direction of quartz transducer

Xuejing Zhang, Kuanxin Yu, Jingfeng Zhou

Proceedings Volume 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 67232Z (2007) https://doi.org/10.1117/12.783374
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

Abstract

Acousto-optic (AO) technology sprang up at the beginning of 1960s, after the naissance of laser. The electro-acoustic transducer is an important part of acousto-optic device (AOD), and quartz is an important crystal for making the transducer due to its good piezoelectric property. In this paper we calculated two kinds of acoustic velocities, non-strengthened acoustic velocities and strengthened acoustic velocities, for three kinds of acoustic modes, one longitudinal wave and two shear waves, in three coordinate planes of the quartz systematically using Christoffel equations. Then electromechanical coupling coefficients of every acoustic mode are calculated and curves of coefficients in three coordinate planes are pictured. Finally we determined the optimum cut direction of longitudinal wave and shear wave respectively. The results of this paper will play a directional role for the research of AOD.

Citation Download Citation

Xuejing Zhang, Kuanxin Yu, and Jingfeng Zhou "Research on optimum cut direction of quartz transducer", Proc. SPIE 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 67232Z (27 November 2007); https://doi.org/10.1117/12.783374

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KEYWORDS

Acoustics

Crystals

Quartz

Transducers

Acousto-optics

Polarization

Piezoelectric effects

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