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| Number | Title | Issue Date |
| 5652756 | Glass fiber laser system using U-doped crystal Q-switch A glass fiber laser system includes a laser resonator cavity having a resonant path and an erbium-doped glass fiber lasing element with an output of from about 1.5 to about 1.6 micrometers within the laser resonator cavity. A light source directed into an... | 07/29/1997 |