DocumentCode
2926628
Title
New Optical Vibrometer Using a Self-Mixing Laser Diode Modulated with a Ramp Current
Author
Shinohara, Shigenobu ; Shimizu, M. ; Niwayama, M. ; Yabuzaki, N. ; Lee, Y.
Author_Institution
National University Corporation Shizuoka University, Hamamatsu 432-8561 Japan, tdsshin@ipc.shizuoka.ac.jp
fYear
2005
fDate
30-02 Aug. 2005
Firstpage
1418
Lastpage
1420
Abstract
New optical vibrometer using a self-mixing laser diode is demonstrated experimentally. Peak-to-peak amplitude 20nm-90nm of a piezoelectric transducer (PZT) vibrating at 20kHz was measured with accuracy 2%-17%, and 10% average, while accuracy by simulation about 4%.
Keywords
Coupling Parameter; Laser Diode; Mode-hop; Ramp Current; Self-Mixing; Vibrometer; Amplitude modulation; Calibration; Diode lasers; Frequency; Optical coupling; Optical feedback; Optical modulation; Samarium; Vibration measurement; Vibrometers; Coupling Parameter; Laser Diode; Mode-hop; Ramp Current; Self-Mixing; Vibrometer;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2005. CLEO/Pacific Rim 2005. Pacific Rim Conference on
Print_ISBN
0-7803-9242-6
Type
conf
DOI
10.1109/CLEOPR.2005.1569763
Filename
1569763
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