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首页> 外文会议>Conference on Lasers and Electro-Optics Europe;European Quantum Electronics Conference >The influence of different seed sources on stimulated Raman scattering in fiber amplifiers
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The influence of different seed sources on stimulated Raman scattering in fiber amplifiers

机译：不同种子源对光纤放大器中受激拉曼散射的影响

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摘要

Fiber based cw laser systems nowadays reach output powers of several kW and often limited by nonlinear effects such as Stimulated Raman Scattering (SRS) [1]. Previously, the influence of the grating spectral width of fiber oscillators on SRS has been investigated [2]. Here we go one step further and compare different seed laser systems that are amplified to a kW level in a single fiber amplifier with regard to SRS. To force SRS, the fiber is made as long as 40m and co-pumped. For the comparison, one and two single-frequency diode laser (ECDL), a commercial fiber laser and a fiber oscillator with varying oscillator length are amplified to about 700W output power as shown in Fig. 1. Detailed comparison of the different seed sources leads to new insights on SRS.
机译：如今，基于光纤的连续波激光系统可达到几kW的输出功率，并且通常受非线性效应（如受激拉曼散射（SRS）[1]）限制。以前，已经研究了光纤振荡器的光栅光谱宽度对SRS的影响[2]。在这里，我们进一步走了一步，比较了在单光纤放大器中针对SRS放大到kW级的不同种子激光系统。为了强制使用SRS，必须将光纤制成长达40m的光纤并共同泵浦。为了进行比较，如图1所示，将一个和两个单频二极管激光器（ECDL），商用光纤激光器和具有可变振荡器长度的光纤振荡器放大到大约700W的输出功率。对SRS的新见解。

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