SAW Propagation Characteristics in Thin-Film Surface Acoustic Waveguides for Acousto-Optic Devices

Nobuo GOTO; Yasumitsu MIYAZAKI

SAW Propagation Characteristics in Thin-Film Surface Acoustic Waveguides for Acousto-Optic Devices

Nobuo GOTO, Yasumitsu MIYAZAKI

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Two types of surface acoustic waveguides were studied for use in collinear acousto-optic devices. These waveguides are indispensable for integration and improvement of controll efficiency. Ta₂O₅ strip waveguides and Al v/v waveguides placed on optical slab waveguides on Y-X LiNbO₃ were found to improve the SAW propagation properties. In particular, the SAW excited with a focused IDT was coupled into the Ta₂O₅ strip waveguide with the coupling loss less than 2 dB and the propagation loss less than 1 dB. The propagation properties and the beam profiles were measured by optical probing. Furthermore, phase velocities of guided waves were measured in fairly good agreement with the calculated ones.

Publication: IEICE TRANSACTIONS on transactions Vol.E69-E No.1 pp.47-55

Publication Date: 1986/01/25

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Type of Manuscript: PAPER

Category: Optical and Quantum Electronics

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Nobuo GOTO
Yasumitsu MIYAZAKI

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Nobuo GOTO, Yasumitsu MIYAZAKI, "SAW Propagation Characteristics in Thin-Film Surface Acoustic Waveguides for Acousto-Optic Devices" in IEICE TRANSACTIONS on transactions, vol. E69-E, no. 1, pp. 47-55, January 1986, doi: .
Abstract: Two types of surface acoustic waveguides were studied for use in collinear acousto-optic devices. These waveguides are indispensable for integration and improvement of controll efficiency. Ta₂O₅ strip waveguides and Al v/v waveguides placed on optical slab waveguides on Y-X LiNbO₃ were found to improve the SAW propagation properties. In particular, the SAW excited with a focused IDT was coupled into the Ta₂O₅ strip waveguide with the coupling loss less than 2 dB and the propagation loss less than 1 dB. The propagation properties and the beam profiles were measured by optical probing. Furthermore, phase velocities of guided waves were measured in fairly good agreement with the calculated ones.
URL: https://global.ieice.org/en_transactions/transactions/10.1587/e69-e_1_47/_p

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@ARTICLE{e69-e_1_47,
author={Nobuo GOTO, Yasumitsu MIYAZAKI, },
journal={IEICE TRANSACTIONS on transactions},
title={SAW Propagation Characteristics in Thin-Film Surface Acoustic Waveguides for Acousto-Optic Devices},
year={1986},
volume={E69-E},
number={1},
pages={47-55},
abstract={Two types of surface acoustic waveguides were studied for use in collinear acousto-optic devices. These waveguides are indispensable for integration and improvement of controll efficiency. Ta₂O₅ strip waveguides and Al v/v waveguides placed on optical slab waveguides on Y-X LiNbO₃ were found to improve the SAW propagation properties. In particular, the SAW excited with a focused IDT was coupled into the Ta₂O₅ strip waveguide with the coupling loss less than 2 dB and the propagation loss less than 1 dB. The propagation properties and the beam profiles were measured by optical probing. Furthermore, phase velocities of guided waves were measured in fairly good agreement with the calculated ones.},
keywords={},
doi={},
ISSN={},
month={January},}

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TY - JOUR
TI - SAW Propagation Characteristics in Thin-Film Surface Acoustic Waveguides for Acousto-Optic Devices
T2 - IEICE TRANSACTIONS on transactions
SP - 47
EP - 55
AU - Nobuo GOTO
AU - Yasumitsu MIYAZAKI
PY - 1986
DO -
JO - IEICE TRANSACTIONS on transactions
SN -
VL - E69-E
IS - 1
JA - IEICE TRANSACTIONS on transactions
Y1 - January 1986
AB - Two types of surface acoustic waveguides were studied for use in collinear acousto-optic devices. These waveguides are indispensable for integration and improvement of controll efficiency. Ta₂O₅ strip waveguides and Al v/v waveguides placed on optical slab waveguides on Y-X LiNbO₃ were found to improve the SAW propagation properties. In particular, the SAW excited with a focused IDT was coupled into the Ta₂O₅ strip waveguide with the coupling loss less than 2 dB and the propagation loss less than 1 dB. The propagation properties and the beam profiles were measured by optical probing. Furthermore, phase velocities of guided waves were measured in fairly good agreement with the calculated ones.
ER -