A tunable and single-longitudinal-mode Ho:YLF laser |
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| Institution: | 1. National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China;2. Northeast Forestry University, Harbin 150040, China;1. Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;2. University of Chinese Academy of Sciences, Beijing 100039, China;1. National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001, China;2. School of Opto-electronic Information Science and Technology, Yantai University, Yantai 264005, China;3. China Key Laboratory of Transparent and Opto-Functional Inorganic Materials, Artificial Crystal Research Center, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China;1. Key Laboratory of Space Laser Communication and Detection Technology, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China;2. University of Chinese Academy of Sciences, Beijing 100049, China;1. Center for Optical Materials and Technologies, Belarusian National Technical University, 65/17 Nezavisimosti Ave., Minsk 220013, Belarus;2. ITMO University, Kronverkskiy pr., 49, Saint-Petersburg 197101, Russia;3. Física i Cristal·lografia de Materials i Nanomaterials (FiCMA-FiCNA), Universitat Rovira i Virgili (URV), Campus Sescelades, c/ Marcel·lí Domingo, s/n., Tarragona E-43007, Spain;4. Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy, 2A Max-Born-Str., Berlin D-12489, Germany |
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| Abstract: | A 1.94 μm Tm-doped fiber laser pumped tunable single-longitudinal-mode Ho:YLF laser with double etalons was reported for the first time. The maximum single-longitudinal-mode output power of 345 mW at 2051.6 nm was achieved at the absorbed pump power of 11.9 W, corresponding to a slope efficiency of 5.5% and an optical conversion efficiency of 2.9%. By regulating the angle of the F–P etalons, the output wavelength of the laser can be tuned from 2051.6 nm to 2063.3 nm. The single-longitude-mode Ho:YLF laser operating at 2 μm can be used as the seed laser source of coherent Doppler lidar, differential absorption lidar and so on. |
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| Keywords: | Tunable Single-longitudinal-mode operation Ho:YLF laser |
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