用于高效产生 1.4-3.5 µm 中红外辐射的高功率单晶 KTA 光参量放大器

IF 1.2 4区物理与天体物理 Q4 OPTICS

Laser Physics Pub Date : 2024-05-21 DOI:10.1088/1555-6611/ad45db

Bianka Csanaková, Ondřej Novák, Lukáš Roškot, Jiří Mužík, Martin Smrž, Helena Jelínková and Tomáš Mocek

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引用次数: 0

摘要

本文介绍了一种基于 KTA（钛胂酸钾，KTiOAsO4）单晶体的皮秒光参量放大器，该放大器由内部制造的 1030 nm Yb:YAG 薄盘激光器泵浦，可调谐波长为 1.46 至 3.5 µm，工作频率为 90 kHz，信号光束和惰性光束的平均功率都很高。1750 纳米信号光束的最高输出功率为 8.9 W，转换效率为 19%；2500 纳米惰轮光束的相应功率为 6.2 W，转换效率为 13%。在 2060 nm 波长变性点，信号和惰波中红外功率之和最高为 17 W。

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High power single crystal KTA optical parametric amplifier for efficient 1.4–3.5 µm mid-IR radiation generation

In this paper, we present a single crystal, KTA (potassium titanyl-arsenate, KTiOAsO4) based picosecond optical parametric amplifier pumped by an in-house built 1030 nm Yb:YAG thin-disk laser, capable of tunability from 1.46 to 3.5 µm, operating at 90 kHz, with high average power in the signal and idler beams. The highest output power of 8.9 W was reached for the 1750 nm signal beam with 19% conversion efficiency and the respective 2500 nm idler beam power was 6.2 W with 13% efficiency. The highest combined signal and idler mid-infrared power was 17 W at the 2060 nm wavelength degeneracy point.

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来源期刊

Laser Physics 物理-光学

CiteScore

2.60

自引率

8.30%

发文量

127

审稿时长

2.2 months

期刊介绍： Laser Physics offers a comprehensive view of theoretical and experimental laser research and applications. Articles cover every aspect of modern laser physics and quantum electronics, emphasizing physical effects in various media (solid, gaseous, liquid) leading to the generation of laser radiation; peculiarities of propagation of laser radiation; problems involving impact of laser radiation on various substances and the emerging physical effects, including coherent ones; the applied use of lasers and laser spectroscopy; the processing and storage of information; and more. The full list of subject areas covered is as follows: -physics of lasers- fibre optics and fibre lasers- quantum optics and quantum information science- ultrafast optics and strong-field physics- nonlinear optics- physics of cold trapped atoms- laser methods in chemistry, biology, medicine and ecology- laser spectroscopy- novel laser materials and lasers- optics of nanomaterials- interaction of laser radiation with matter- laser interaction with solids- photonics