Open Access
Table 1
Analysis of on-axis acoustic pressure measurement results for different focusing transducers using a 40 μm hydrophone.
| – | f/MHz | z min/mm | z max/mm | F/mm | a eff/mm | a/mm | δ a/ a |
|---|---|---|---|---|---|---|---|
| Olympus | 30 | 16.67 | 20.54 | 20.74 | 2.908 | 3.175 | 8.4% |
| NIM | 50 | 9.11 | 12.33 | 13.01 | 1.341 | 1.500 | 10.6% |
| NIM | 75 | 8.14 | 11.66 | 12.84 | 0.937 | 1.000 | 6.3% |
| NIM | 100 | 6.48 | 8.31 | 8.57 | 0.887 | 1.000 | 11.3% |
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