Stable passively Q-switched erbium-doped fiber laser based on CuCrO2 nanoparticles saturable absorber
| Autor: | He Zhang, Guanxin Wang, Linlin Shi, Xiaohui Ma, Yonggang Zou, Xiaoyi Wang, Hongda Wu, Xu Li, Xu Yingtian, Liang Jin |
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| Rok vydání: | 2020 |
| Předmět: |
Materials science
Pulse (signal processing) business.industry Nanoparticle Pulse duration Saturable absorption 02 engineering and technology 021001 nanoscience & nanotechnology Laser 01 natural sciences Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials law.invention 010309 optics Optics law Fiber laser 0103 physical sciences Optoelectronics Electrical and Electronic Engineering Physical and Theoretical Chemistry 0210 nano-technology business Ultrashort pulse Polyimide |
| Zdroj: | Optics Communications. 475:126222 |
| ISSN: | 0030-4018 |
| DOI: | 10.1016/j.optcom.2020.126222 |
| Popis: | We demonstrate metal oxides CuCrO2 exhibit considerable nonlinear saturable absorption property in the near-infrared region, and fabricate typical saturable absorber (SA) by wrapping the CuCrO2 nanoparticles(NPs) into a sodium carboxymethylcellulose (NaCMC) film or polyimide (PI) film separately. These SA films could keep stable exposed to air condition for several months. In the CuCrO2-NaCMC (CuCrO2-PI) Q-switched fiber laser, the pulse repetition rate increases from 10.6 kHz (48.5 kHz) to 24.6 kHz (88.7 kHz) and the pulse duration decreases from 19. 08 μ s (3. 85 μ s ) to 3. 91 μ s (1. 18 μ s ) by adjusting the pump power from 53 mW (82.6 mW) to 188.6 mW (184.6 mW). The results suggest that CuCrO2 could be a promising SA for ultrafast lasers generation. |
| Databáze: | OpenAIRE |
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