Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Beam length, resonant frequencies (fr), and quality factors (Q) in air and in water after the alumina/parylene coating.
| Beam Length (µm) | In air | In water | |||
|---|---|---|---|---|---|
| fr (kHz) | Q | fr (kHz) | Q | ||
| Beam 1 | 443 | 18.8 | 90 | 5.6 | 3.5 |
| Beam 2 | 397 | 23.8 | 47 | 7.1 | 3.9 |
| Beam 3 | 345 | 31.6 | 53 | 9.9 | 4.4 |
| Beam 4 | 300 | 40.8 | 56 | 13.5 | 4.7 |
