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Transducer Information and Characteristics.
| Center frequency (MHz) |
−10-dB bandwidth (MHz) |
Wavelength at center frequency (μm) |
f-number | −6-dB depth of field (mm) |
−6-dB beam width (μm) |
|---|---|---|---|---|---|
| 20 | 11–33 | 75.0 | 3.0 | 4.0 | 230 |
| 40 | 26–65 | 37.5 | 3.0 | 2.4 | 113 |
| 80 | 49–105 | 18.8 | 3.0 | 1.2 | 56.4 |
