Abstract
A sensitive density diagnostic based on the deflection of a laser beam by refractive index gradients is discussed. It is found that the method is used to investigate stress waves in plexiglass. With a resolution of the apparatus of 50 μrad, the measured laser deflection angles are of the order of 1 mrad. The results show that the deflection technique is superior to an imaging interferometer in terms of sensitivity and simplicity.
| Original language | English |
|---|---|
| Pages (from-to) | 1268-1273 |
| Number of pages | 6 |
| Journal | Review of Scientific Instruments |
| Volume | 75 |
| Issue number | 5 PART 1 |
| DOIs | |
| State | Published - May 2004 |
| Externally published | Yes |