High-Speed Laser Probing System for Surface Acoustic Wave Devices Based on Knife-Edge Method
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- Kamizuma Hiroshi
- Graduate School of Science and Technology, Chiba University
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- Yang Liyan
- Graduate School of Science and Technology, Chiba University
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- Omori Tatsuya
- Department of Electronics and Mechanical Engineering, Faculty of Engineering, Chiba University
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- Hashimoto Ken-ya
- Department of Electronics and Mechanical Engineering, Faculty of Engineering, Chiba University
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- Yamaguchi Masatsune
- Department of Electronics and Mechanical Engineering, Faculty of Engineering, Chiba University
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This paper describes the development of a high-speed laser probing system for surface acoustic wave (SAW) devices. For the optical detection, the phase-sensitive knife-edge method was employed, by which the system is made very insensitive to low-frequency mechanical vibration. This enables fast stage translation without disturbing the measurement. A fast scanning rate of 240 points/s was realised by continuous stage translation and by successive data acquisitions of instantaneous sampling positions, in addition to the detector output. The position is measured by a high-precision linear-scale installed in the translation stage. Since the measured intervals between two adjacent sampling positions may not be uniform, the measured data are resampled at equal intervals for data processing. By applying the system to the characterisation of spurious resonance modes, it is shown how the present system is effective in designing and developing SAW devices.
収録刊行物
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 44 (6B), 4535-4538, 2005
The Japan Society of Applied Physics
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詳細情報 詳細情報について
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- CRID
- 1390001206265575168
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- NII論文ID
- 10016584655
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- NII書誌ID
- AA10457675
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- ISSN
- 13474065
- 00214922
- http://id.crossref.org/issn/13474065
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- NDL書誌ID
- 7348867
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 使用不可