A digital control for the Ultra-Stable Laser system
We describe a digital control for the ultra-stable laser system. The digital automatic precision control consists of PDH locking loop and cavity temperature loop. The cavity temperature after temperature closed-loop control has been stabled around 293.65 K, and the standard deviation of temperature fluctuation is 0.13 mK based on 22 hours data. Frequency instability of the ultra-stable system is measured 2.66 × 10<sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-15</sup>@1 s after all the loop are locked, while the contribution of PDH photodetector and error signal generation circuit to frequency instability is around 7.1 × 10<sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">-17</sup> @1 s.
Authors
- Qi Shen (ORCID: https://orcid.org/0000-0001-9494-6005)
- Shaomao Wang (ORCID: https://orcid.org/0000-0001-8227-6921)
- Lei Hou (ORCID: https://orcid.org/0000-0002-1312-8930)
- Danyang Zhu (ORCID: https://orcid.org/0000-0003-4669-7512)
- Jian-Yu Guan (ORCID: https://orcid.org/0000-0002-5680-8493)
- Haifeng Jiang (ORCID: https://orcid.org/0000-0002-2768-9325)
- C.J. Xia
Institutions
- University of Science and Technology of China (CN)
- Hefei National Center for Physical Sciences at Nanoscale (CN)
Publication Details
- Published
- 2024-09-22
- DOI
- https://doi.org/10.1109/uffc-js60046.2024.10793563
- Primary Topic
- Laser Design and Applications
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Research and Development