| 摘要 |
A quasi-three level laser system having crystalline YAG or YLF doped with trivalent Dysprosium can be pumped with a laser diode in the UV, and produce a pulsed laser blue emission from the 4 F 9/2 energy level at 490 nm, a red emission at 660 nm, or a yellow emission at 570 nm. The system can operate at room temperature or be cooled. The system can include Q-switching. A suitable laser diode is GaN.
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