Optimal design of integrated acousto-optic tunable filters based on investigation of SAW in acoustic waveguide

Jisheng Yang; Hehua Xu; Chuanjing Wen; Changku Sun

doi:10.1117/12.677631

24 August 2006 Optimal design of integrated acousto-optic tunable filters based on investigation of SAW in acoustic waveguide

Jisheng Yang, Hehua Xu, Chuanjing Wen, Changku Sun

Author Affiliations +

Proceedings Volume 6314, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII; 63140U (2006) https://doi.org/10.1117/12.677631
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

A detailed investigation of surface acoustic wave (SAW) propagating in x-cut y propagation lithium niobate (LiNbO₃) for integrated acousto-optic tunable filters (IAOTF) is reported in this paper. With getting curves of velocities, the walk-off angular (the angular between the power-flux vector and the propagation direction) can be obtained by the cubic spline interpolation method. The electromechanical coupling constant curve is given. Now, an optimal configuration of IAOTF has been designed, in which the direction of interdigital transducer should be inclined about 4.18°.

Citation Download Citation

Jisheng Yang, Hehua Xu, Chuanjing Wen, and Changku Sun "Optimal design of integrated acousto-optic tunable filters based on investigation of SAW in acoustic waveguide", Proc. SPIE 6314, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII, 63140U (24 August 2006); https://doi.org/10.1117/12.677631

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