| 1. | a technique for measuring the shift in frequency between the source and reflected radiation of a laser. |
| 2. | a technique for measuring blood flow through tissue using a laser. |
| 3. | a laser used in these techniques. |
| Doppler laser n. A technique that detects the frequency shift between the source and reflected waves of a laser, used in calculating the relative speed difference between the laser source and reflecting object. |