Resonantly pumped micro monolithic nonplanar Er:YAG ring laser with stable single frequency laser output at 1645 nm
We demonstrate a low threshold 0.5 at.%-doped Er: YAG micro-NPRO with a short round-trip path length designed to reduce the effects of Energy-Transfer Upconversion (ETU) and reabsorption. A single-frequency laser output of up to 354 mW at 1645 nm was achieved using a 1470 nm LD with a pump power of 3.5 W through resonant pumping, corresponding to a slope efficiency of 44.6% and threshold pump power of 2.7W.
Authors
- Yuan Gao (ORCID: https://orcid.org/0009-0000-9452-2069)
- Lei Wang (ORCID: https://orcid.org/0000-0002-0961-0441)
- Mingwei Gao (ORCID: https://orcid.org/0000-0002-2976-4421)
- Yibo Ding
- Chunqing Gao
Institutions
- Beijing Institute of Technology (CN)
- China Academy of Space Technology (CN)
Publication Details
- Published
- 2024-11-08
- DOI
- https://doi.org/10.1117/12.3035792
- Primary Topic
- Solid State Laser Technologies
- Type
- article
- Field-Weighted Citation Impact
- 0.00