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1. 发明授权

US07054055B2 Acousto optic element 失效
标题翻译：声光元件
公开(公告)号：US07054055B2
公开(公告)日：2006-05-30
申请号：US10873333
申请日：2004-06-22
申请人： Kimihiko Shibuya , Toshimi Nishiyama , Yoshiaki Ishimura , Hiroyuki Takeuchi
发明人： Kimihiko Shibuya , Toshimi Nishiyama , Yoshiaki Ishimura , Hiroyuki Takeuchi
IPC分类号： G02F1/33
CPC分类号： G02F1/11 , G02F1/33 , G02F1/332
摘要： An acousto optic element comprises optically transparent acousto optic medium having light incoming plane, light outgoing plane facing light incoming plane, transducer joining plane, and inclined plane tilted to transducer joining plane and piezoelectric transducer on which two opposing planes i.e., electrode layers and are formed and the transducer is connected to transducer joining plane of acousto optic medium through one of the electrode layers, wherein a deposited layer or a coating layer is formed on at least one of ultrasonic transducer or the acousto optic medium, the layer preventing ultrasonic waves generated by oscillation of ultrasonic transducer leaking onto acousto optic medium as a leakage-ultrasonic wave and propagating there, thus obtaining a high light-fading ratio.
摘要翻译：声光元件包括具有光入射平面的光学透明声光介质，面向光入射平面的光出射平面，换能器接合平面以及倾斜于换能器接合面的倾斜平面和压电换能器，其上形成有两个相对的平面即电极层并且所述传感器通过所述电极层之一连接到声光介质的换能器接合面，其中在超声波换能器或声光介质中的至少一个上形成沉积层或涂层，所述层防止由超声波换能器作为泄漏超声波泄漏到声光介质上并在那里传播的振荡，从而获得高的衰减比。

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