Abstract
In this paper, we report a high power of cryogenic cooling Tm(8 at %),Ho(1.4 at %):YLF dual end pumped by two fiber coupled laser diodes at 792nm. Each pumping laser h ead delivers 15W power in an inner fiber core area of 0.4mm and numerical number of 0.3. The highest continuous-wave (cw) power of 10.2W at 2.051μm is attained under pumping power of 30W, corresponding to optical-optical conversion efficiency of 33%, and the slope efficiency is greater than 36%.The maximum acousto-optical Q-switched quasi-continuous wave output power is 9.2 W at pulse repetition frequency of 10kHz, corresponding to greater than 90% extraction efficiency in the full-width half-maximum pulse width of 34ns.
| Original language | English |
|---|---|
| Article number | 24 |
| Pages (from-to) | 142-146 |
| Number of pages | 5 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 5627 |
| DOIs | |
| State | Published - 2005 |
| Event | High-Power Lasers and Applications III - Beijing, China Duration: 8 Nov 2004 → 11 Nov 2004 |
Keywords
- Acousto-optical Q-switched
- Double-end-pumped
- Laser diode
- Tm,Ho:YLF
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