| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Experimental and Numerical Investigation of Single Frequency Amplifier with Photonic Bandgap Fiber at 1178 nm |
| WANG Jian-Hua1,2**, CUI Shu-Zhen1, HU Jin-Meng1, CAO Fen2, FANG Yong2, LU Hui-Ling3 |
1Shanghai Key Laboratory of Solid State Laser and Application, and Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
2Northwest Institute of Nuclear Technology, Xi'an 710024
3The Information Center of Science and Technology, Northwest Institute of Nuclear Technology, Xi'an 710024
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| Cite this article: |
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WANG Jian-Hua, CUI Shu-Zhen, HU Jin-Meng et al 2014 Chin. Phys. Lett. 31 064210 |
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Abstract A single frequency photonic bandgap fiber amplifier at 1178 nm is investigated experimentally and numerically. With a pump power of 81 W, a single frequency 1178 nm fiber laser of 10.3 W is obtained with a 3 W seed laser and a 20 m gain fiber. Numerical simulation is conducted with a rate equation model taking amplified spontaneous emission and stimulated Brillouin scattering (SBS) into consideration. Temperature distribution along the fiber is applied for SBS suppression, more than 50 W single frequency fiber laser at 1178 nm is predicted theoretically with a 5 W seed laser and a 40 m long gain fiber with five temperature steps.
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Published: 26 May 2014
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