supported by the National Natural Science Foundation of China(Grant No.12122508);supported by State Key Laboratory of Nuclear Physics and Technology,Peking University(Grant No.NPT2023KFJ11)。
Mid-infrared microcavity lasers have important applications in biosensing,mid-infrared spectroscopy,and environmental monitoring.However,the low output power of existing mid-infrared microcavity lasers hinders their p...
Project supported by the Yunnan Fundamental Research Projects(Grant No.202201AU070065);Natural Science Foundation of China for Young Scholars(Grant No.52002131);Open Fund of the Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques(Grant No.2021-04);the Scientific Research Fund Project of Yunnan Provincial Department of Education(Grant No.2022J0591)
A 135 mW single-frequency distributed Bragg reflector fiber laser at 1.95μm was obtained based on a Tm:YAG ceramic-derived all-glass fiber.The fiber laser achieved an optical signal-to-noise ratio of~77 d B.Moreover,...
supported by the National Natural Science Foundation of China(NSFC,No.61975060);the Fundamental Research Funds for the Central University(HUST,No.2016YXMS213)。
We present a 2 μm Tm:YAG disk laser multi-pass pumped by a 1 μm laser. The transitions in competition of up conversion(UC) and excited state absorption(ESA) are analyzed in detail based on a numerical model that con...
funding from the European Union’s Horizon 2020 research and innovation programme(871124 Laserlab-Europe and 739573);the Thuringian Ministry for Economic Affairs,Science and Digital Society(2016FE9058);Bundesministerium für Bildung und Forschung(BMBF)(03ZIK445,05P15SJFA1,03Z1H531,03VNE2068D);the European Regional Development Fund and the state budget of the Czech Republic(project Hi LASE CZ.02.1.01/0.0/0.0/15006/0000674);the Ministry of Education,Youth and Sports of the Czech Republic(NPU I Project No.LO1602)。
We present a diode-pumped, electro-optically Q-switched Tm:YAG laser with a cryogenically cooled laser crystal at120 K. Output pulses of up to 2.55 mJ and 650 ns duration were demonstrated in an actively Q-switched co...