基于色散管理的飞秒光参量振荡器稳定性增强技术

IF 2 3区物理与天体物理 Q3 OPTICS

Applied Physics B Pub Date : 2024-10-14 DOI:10.1007/s00340-024-08336-4

Hui Tong, Hua Wang, Wenlong Tian, Qian Li, Xuan Tian, Yanming Huang, Jiangfeng Zhu, Zhiyi Wei

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引用次数: 0

摘要

本文展示了一种具有稳定功率的色散管理飞秒光参量振荡器（OPO）。该 OPO 基于 LiB3O5 (LBO) 晶体，由倍频、Kerr 透镜锁模的 Yb.CGYA 激光器同步泵浦：CGYA 激光器同步泵浦。输出信号的波长调谐范围为 680 ~ 740 nm，最大平均功率为 1.1 W，最短脉冲持续时间为 105 fs。通过在腔体中插入紫外熔融石英（UVFS）窗口以引入额外的法向色散，双信号波长输出得到抑制，功率稳定性显著提高。一小时功率波动的均方根值下降到原来的七分之一，从 2.47% 降至 0.38%。这项工作对促进飞秒 OPO 的工程应用具有特别重要的意义。

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Stability enhancement of femtosecond optical parametric oscillator based on dispersion management

A dispersion-managed femtosecond optical parametric oscillator (OPO) with stable power is demonstrated in this article. The OPO, based on LiB₃O₅ (LBO) crystal, was synchronously pumped by a frequency-doubled, Kerr-lens mode-locked Yb: CGYA laser. The output signal had a wavelength tuning range of 680 ~ 740 nm, a maximum average power of 1.1 W, and a minimum pulse duration of 105 fs. By inserting ultraviolet fused silica (UVFS) windows into the cavity to introduce additional normal dispersion, the dual-signal-wavelength output was suppressed, and the power stability was significantly enhanced. The RMS of the one-hour power fluctuation decreased to one seventh of its original value, from 2.47% to 0.38%. This work is of particular significance for promoting the engineering application of femtosecond OPOs.

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来源期刊

Applied Physics B 物理-光学

CiteScore

4.00

自引率

4.80%

发文量

202

审稿时长

3.0 months

期刊介绍： Features publication of experimental and theoretical investigations in applied physics Offers invited reviews in addition to regular papers Coverage includes laser physics, linear and nonlinear optics, ultrafast phenomena, photonic devices, optical and laser materials, quantum optics, laser spectroscopy of atoms, molecules and clusters, and more 94% of authors who answered a survey reported that they would definitely publish or probably publish in the journal again Publishing essential research results in two of the most important areas of applied physics, both Applied Physics sections figure among the top most cited journals in this field. In addition to regular papers Applied Physics B: Lasers and Optics features invited reviews. Fields of topical interest are covered by feature issues. The journal also includes a rapid communication section for the speedy publication of important and particularly interesting results.