Nanosecond double-pulse fiber laser with arbitrary sub-pulse combined based on a spectral beam combining system
| Autor: | Jun Zhou, Chun Zhao, Kai Liu, Bing He, Ye Zheng, Yifeng Yang, Yunfeng Qi, Xiaolong Chen, Jianhua Wang, Man Hu |
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| Rok vydání: | 2017 |
| Předmět: |
Femtosecond pulse shaping
Materials science business.industry Physics::Optics Pulse duration 02 engineering and technology 021001 nanoscience & nanotechnology Laser 01 natural sciences Q-switching Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials law.invention Pulse (physics) 010309 optics Optics Multiphoton intrapulse interference phase scan law 0103 physical sciences Electrical and Electronic Engineering 0210 nano-technology business Ultrashort pulse Bandwidth-limited pulse |
| Zdroj: | Optics & Laser Technology. 90:22-26 |
| ISSN: | 0030-3992 |
| Popis: | In order to improve the processing efficiency and quality of nanosecond pulse laser drilling, a new double-pulse technique is put forward. Two single pulse lasers with different pulse duration or different repetition rate are spectrally combined by a home-made polarization-independent multilayer dielectric reflective diffraction grating. The pulse energy of single lasers and the inter-pulse separation can both be set at one's option. Then, double-pulse lasers represent two closely conjoint pulses with tunable pulse duration and tunable repetition rate and tunable pulse energy and tunable inter-pulse separation are obtained. |
| Databáze: | OpenAIRE |
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