Compact resonantly intra-cavity pumped tunable Ho:Sc2SiO5 laser |
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| Institution: | 1. Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan;2. Institute of Ultra High Frequency Semiconductor Electronics of RAS, Moscow 117105, Russia;3. Center for Photonics and Infrared Engineering, Bauman Moscow State Technical University, Moscow 111005, Russia;4. Department of Computer Science and Engineering, University of Aizu, Aizu-Wakamatsu 965-8580, Japan;5. Department of Electrical, Computer, and Systems Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA;1. Institute for Materials Research, Tohoku, University, 2-1-1, Katahira, Aoba-Ku, Sendai, Miyagi 980-8577, Japan;2. New Industry Creation Hatchery Center (NICHe), Tohoku University, 6-6-10, Aoba, Aramaki, Aoba-Ku, Sendai, Miyagi 980-8579, Japan;3. C&A Corporation, 6-6-40, Aoba, Aramaki, Aoba-Ku, Sendai, Miyagi 980-8579, Japan;1. P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russia;2. Moscow Institute of Physics and Technology, Dolgoprudny, Moscow Region 141701, Russia;1. National Institute of Agricultural Sciences, Rural Development Administration, 310 Nonsaengmyeong-ro, Wansan-gu, Jeonju-si, Jeollabuk-do 54875, Republic of Korea;2. Environmental Microbial and Food Safety Laboratory, Agricultural Research Service, US Department of Agriculture, 10300 Baltimore Avenue, Beltsville, MD 20705, USA;3. Department of Biosystems Machinery Engineering, College of Agricultural and Life Science, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea;1. State Key Laboratories of Transducer Technology, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, PR China;2. Key Laboratory of Infrared Imaging Materials and Detectors, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, PR China;3. University of Chinese Academy of Sciences, Beijing 100049, PR China;4. State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Chang Ning Rd., Shanghai 200050, PR China |
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| Abstract: | A compact intra-cavity pumped low threshold continuous-wave Ho:Sc2SiO5 laser is reported. The characteristics of output wavelength tuning are investigated by use a intra-cavity briefringent (BF) filter. A wavelength tunable range of 140 nm from 2020 to 2160 nm is achieved. For the free-running mode, the laser slope efficiency is 24.8%, when the output central wavelength is 2110 nm. The laser threshold is about 820 mW of incident pump power. With the BF filter, a maximum output power of 870 mW is obtained at the incident pump power of 5 W, corresponding to a slope efficiency of 20.3%. The characteristics of output wavelength verse the crystal temperature are also investigated. |
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| Keywords: | Solid-state laser Tunable Intra-cavity pumped SSO |
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