具有良好光束质量的 Er:Yb 玻璃平面波导放大器发出的单频高能脉冲

IF 2.3 4区物理与天体物理 Q3 PHYSICS, APPLIED

Applied Physics Express Pub Date : 2024-04-17 DOI:10.35848/1882-0786/ad3a2e

Junia Nomura, Kenichi Hirosawa and Nobuo Ohata

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引用次数: 0

摘要

我们展示了一种主振荡器功率放大器系统，该系统利用波导归一化频率为 4.4 的铒、镱：玻璃平面波导放大器在 1539 纳米波长处发射单频高能光脉冲。在 500 Hz 的重复频率下，可观测到 9.7 mJ 的最大脉冲能量。信噪比为 25 dB，与 100 至 500 Hz 的重复频率无关。由于平面波导的归一化频率较小，输出的光束质量因子 M2 为 1.03。

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Single-frequency high-energy pulses from an Er:Yb glass planar waveguide amplifier with good beam quality

We demonstrate a master oscillator power amplifier system that emits single-frequency, high-energy optical pulses at 1539 nm using an Er, Yb:glass planar waveguide amplifier with a normalized frequency of the waveguide of 4.4. A maximum pulse energy of 9.7 mJ is observed at a repetition frequency of 500 Hz. The signal to noise ratio is 25 dB and is independent of the repetition frequency from 100 to 500 Hz. The beam quality factor M2 of the output is 1.03 thanks to the small normalized frequency of the planar waveguide.

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来源期刊

Applied Physics Express 物理-物理：应用

CiteScore

4.80

自引率

8.70%

发文量

310

审稿时长

1.2 months

期刊介绍： Applied Physics Express (APEX) is a letters journal devoted solely to rapid dissemination of up-to-date and concise reports on new findings in applied physics. The motto of APEX is high scientific quality and prompt publication. APEX is a sister journal of the Japanese Journal of Applied Physics (JJAP) and is published by IOP Publishing Ltd on behalf of the Japan Society of Applied Physics (JSAP).