Compact and fast vibrational displacement sensor with real-time analog electrical output using self-mixing laser diode

被引：0
|
作者：
Iwamoto, A [1 ]
Kakiuchi, Y [1 ]
Shinohara, S [1 ]
Ikeda, H [1 ]
Yoshida, H [1 ]
Sumi, M [1 ]
机构：
[1] Shizuoka Univ, Hamamatsu, Shizuoka 4328561, Japan
来源：
SICE '98 - PROCEEDINGS OF THE 37TH SICE ANNUAL CONFERENCE: INTERNATIONAL SESSION PAPERS | 1998年
关键词：
self-mixing; laser diode; displacement; vibration; sensor; analog;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A compact and fast vibrational displacement sensor using a self-mixing laser diode (SM-LD) is proposed, which has an almost real-time analog output voltage. The sensor's output is proportional to an instantaneous displacement, and the rms amplitude of it becomes an almost real-time electrical output. Being compact, the sensor can be attached to a robot arm and scanned over a device under vibration test in order to measure frequency characteristics of a vibrational amplitude of the device.
引用
收藏
页码：899 / 902
页数：4
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