Abstract
We propose a new self-mixing laser diode (SM-LD) speckle velocimeter based on autocorrelation. SM-LD launches and receives reflected light from a moving surface which has a random reflection profile. The speckle signals obtained from SM-LD are processed using autocorrelation. The linear relation between the velocity and the correlation length of the speckle intensity fluctuations allows the determination of the velocity of the target easily. The range of the investigated velocity is 20 mm/s to 450 mm/s.
Original language | English (US) |
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Pages | 1756-1760 |
Number of pages | 5 |
State | Published - 1999 |
Event | Proceedings of the 1999 16th IEEE Instrumentation and Measurement Technology Conference, IMTC/99 - Measurements for the new Millenium - Venice, Italy Duration: Jun 24 1999 → Jun 26 1999 |
Conference
Conference | Proceedings of the 1999 16th IEEE Instrumentation and Measurement Technology Conference, IMTC/99 - Measurements for the new Millenium |
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City | Venice, Italy |
Period | 6/24/99 → 6/26/99 |
All Science Journal Classification (ASJC) codes
- Electrical and Electronic Engineering