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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/1199

Title: 自己結合効果を用いた微小振動センサに関する研究
Other Titles: ジコ ケツゴウ コウカ オ モチイタ ビショウ シンドウ センサ ニカンスル ケンキュウ
Study on Small Vibration Sensor Using Self-Coupled Effect
Authors: 川出, 寿彦
津田, 紀生
山田, 諄
KAWAIDE, Toshihiko
TSUDA, Norio
YAMADA, Jun
Issue Date: 31-Mar-2003
Publisher: 愛知工業大学
Abstract: Small vibration sensors using laser interferometer have been developed. But there are some disadvantages, for example, weakness for external vibration, difficulty for optical alignment, etc. These disadvantages are improved making use of selfcoupling effect of semiconductor laser, because this sensor is composed of only a laser diode and a lens. When a small vibration less than halfwave length of laser is measured, it is needed a reference signal. The reference signal is generated by moving the sensor head quickly. The vibration amplitude is detected from ratio of output signal to reference one. This sensor can detect small vibration with minimum amplitude of 2Onmind average dispersion error is below 2 percent.
URI: http://hdl.handle.net/11133/1199
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