Directional Laser Doppler Velocimetry Using Self-Mixing Effect of Semiconductor Laser Diode

Shigenobu SHINOHARA, Edson Toshiaki SHIMIZU, Hirofumi YOSHIDA, Masao SUMI

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Summary :

The self-mixing type laser Doppler velocimter gives a simple method of directional velocimetry. The beat signal comprises the fundamental Doppler frequency as well as its harmonics, so that the waveform is like a sawtooth in which the sign of inclination reverses as the target changes the direction of its movement.

Publication
IEICE TRANSACTIONS on transactions Vol.E70-E No.2 pp.100-103
Publication Date
1987/02/25
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Instrumentation

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