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首页> 外文期刊>Optics Letters >SBS-managed high-peak-power nanosecond-pulse fiber-based master oscillator power amplifier
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SBS-managed high-peak-power nanosecond-pulse fiber-based master oscillator power amplifier

机译:SBS管理的高峰值功率纳秒脉冲光纤为主振荡器功率放大器

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摘要

We report on a compactly packaged Yb-doped fiber-based laser architecture featuring an actively pulse controlled, single-longitudinal-mode seeder and multistage amplifier chain terminated by a "folded" rod-type photonic crystal fiber. In this laser source, stimulated Brillouin scattering (SBS) is the power-limiting factor, but is managed by phase modulating the seeder with a pseudo-random noise signal. Pulse energy/peak power of ~2 mJ/1.5 MW at 10 kHz repetition rate are thus obtained within ~1.55 ns pulses of peak spectral brightness >20 kW cm~(-2) sr~(-1) Hz~(-1).
机译:我们报告了一种紧凑封装的掺Yb光纤光纤激光器结构,该结构具有主动脉冲控制的单纵向模式播种器和由“折叠”杆型光子晶体光纤终止的多级放大器链。在此激光源中,受激布里渊散射(SBS)是功率限制因素,但可以通过使用伪随机噪声信号对播种器进行相位调制来进行管理。因此,在峰值光谱亮度> 20 kW cm〜(-2)sr〜(-1)Hz〜(-1)的〜1.55 ns脉冲内,以10 kHz重复频率获得了〜2 mJ / 1.5 MW的脉冲能量/峰值功率。 。

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