Ytterbium-doped fiber laser at 1120nm with narrow linewidth
-
摘要: 为了获得窄线宽、高功率、长波长(相对于1030nm~1080nm)的1120nm光纤激光器,采用普通单模掺镱光纤和一对光纤布喇格光栅构建了该光纤激光器的谐振腔,为保证抽运光的完全吸收和避免非线性效应,对有源光纤的最佳长度进行了理论分析和实验验证。结果表明,激光器的阈值抽运功率为40mW、注入抽运功率为265mW时,激光器输出信号光功率35mW,光光转换效率为13.2%,激光器中心波长为1120.9nm,输出激光的谱线宽度为0.03nm。这种激光器的获得是因为采用了高反射率耦合输出光纤布喇格光栅、短谐振腔结构和低功率运转状态。该激光器可作为种子光注入光纤放大器。
-
关键词:
- 激光器 /
- 1120nm光纤激光器 /
- 掺镱光纤激光器 /
- 窄线宽 /
- 光纤布喇格光栅
Abstract: In order to realize 1120nm ytterbium-doped fiber laser with narrow linewidth, high power level, long wavelength (compared with 1030nm~1080nm), the resonator of fiber laser was composed of a normal single-mode Yb-doped fiber and a pair of fiber Bragg gratings (FBG). The theoretical-optimized active fiber length is used to ensure that pump light is entirely absorbed and nonlinear effect is suppressed. After theoretical analysis and experimental verification, the results show that when laser threshold pump power is 40mW and the launched pump power is 265mW, laser output signal power is up to 35mW with optical-to-optical conversion efficiency of 13.2%, central wavelength of 1120.9nm, output light linewidth of 0.03nm. The performances of the laser contribute to high reflectivity output coupler FBG, short cavity and low power operation. The laser can be injected into fiber amplifiers.-
Keywords:
- lasers /
- 1120nm fiber laser /
- ytterbium-doped fiber laser /
- narrow linewidth /
- fiber Bragg grating
-
-
[1] LI F D, GUO H N, SUN J G, et al. Simulation and experimental study on coherent combination of dual beam fiber laser[J]. Laser Technology,2014, 38(4):509-514(in Chinese).
[2] FANG G, XU X T, QUAN E C, et al. Research progress of Yb-doped double-clad fiber lasers[J]. Laser Technology,2014, 38(2):278-282(in Chinese).
[3] SUPRADEEPA V R, NICHOLSON J W. Power scaling of high efficiency 1.5micron cascaded Raman fiber lasers[J].Optics Letters, 2013, 38(14):2538-2541.
[4] FAN X, CHEN M, SHIRAKAWA A, et al. High power Yb-doped photonic bandgap fiber oscillator at 1178nm[J]. Optics Express, 2012, 20(13):14471-14476.
[5] LIU X J, FU Sh G, HAN K Zh, et al. Recent progress in fiber yellow lasers.[J]. Laser Technology, 2011, 35(2):210-213(in Chinese).
[6] DAJANI I, VERGIEN C, ROBIN C, et al. Investigations of single-frequency Raman fiber amplifiers operating at 1178nm[J]. Optics Express, 2013, 21(10):12038-12052.
[7] WANG J H, ZHANG L, ZHOU J, et al. High power linearly polarized Raman fiber laser at 1120nm[J]. Chinese Optics Letters, 2012, 10(2):021406.
[8] FENG Y, TAYLOR L R, CALIA D B. 150W highly-efficient Raman fiber laser[J]. Optics Express, 2009, 17(26):23678-23683.
[9] CODEMARD C, JI J, SAHU J K, et al. 100W CW cladding-pumped Raman fiber laser at 1120 nm[J]. Proceedings of the SPIE, 2010, 7580:75801N.
[10] DIANOV E M, SHUBIN A V, NELKUNOV M A, et al. High-power cw bismuth-fiber lasers[J]. Journal of the Optical Society of America, 2007, B24(8):1749-1755.
[11] WANG J, HU J, ZHANG L, et al. A 100W all-fiber linearly-polarized Yb-doped single-mode fiber laser at 1120nm[J]. Optics Express, 2012, 20(27):28373-28378.
[12] ZHANG H, XIAO H, ZHOU P, et al.322W single-mode Yb-doped all-fiber laser operated at 1120nm[J] Applied Physics Express, 2014, 7(5):052701.
[13] KABLUKOV S I, ZLOBINA E A, PODIVILOV E V, et al. Output spectrum of Yb-doped fiber lasers[J]. Optics Letters, 2012, 37(13):2508-2510.
[14] MIGNON M, DESURVIRE E. An analytical model for the determination of optimal output reflectivity and fiber length in erbium-doped fiber lasers[J]. IEEE Photon Technology Letters, 1992, 4(8):850-852.
[15] KALITA M P, ALAM S, CODEMARD C, et al. Multi-watts narrow linewidth all fiber Yb-doped laser operating at 1179nm[J]. Optics Express, 2010, 18(6):5920-5925.
计量
- 文章访问数: 5
- HTML全文浏览量: 0
- PDF下载量: 9
下载: