Recent progress on new infrared nonlinear optical materials with application prospect

X Luo, Z Li, Y Guo, J Yao, Y Wu - Journal of Solid State Chemistry, 2019 - Elsevier
Nonlinear optical (NLO) crystals can convert the frequencies of existing lasers to other
favorable wavelength ranges, and are hence important material basis of photoelectron …

Barium nonlinear optical crystals for the mid-IR: characterization and some applications

V Petrov, VV Badikov, DV Badikov, K Kato… - JOSA B, 2021 - opg.optica.org
The linear and nonlinear optical properties of BaGa_4S_7, BaGa_4Se_7, BaGa_2GeS_6,
and BaGa_2GeSe_6 are reviewed, highlighting their potential for frequency …

Barium Chalcogenide Crystals: A Review

N Kostyukova, E Erushin, A Boyko, G Shevyrdyaeva… - Photonics, 2024 - mdpi.com
In recent decades, new nonlinear optical materials have been actively developed to create
coherent tunable light sources in the mid-infrared (mid-IR) part of the spectrum used in a …

[PDF][PDF] 中红外激光器研究进展

程乃俊, 李惟帆, 祁峰 - 激光与光电子学进展, 2023 - researching.cn
摘要中红外波段在基础科学, 生物医学, 环境监测, 军事国防, 安检安防, 通信娱乐等诸多领域都有
极其重要的应用. 作为中红外技术的核心组成部分, 覆盖宽光谱范围, 高能量, 高转换效率 …

Broadband, few-cycle mid-infrared continuum based on the intra-pulse difference frequency generation with BGSe crystals

J Zhang, Q Wang, J Hao, H Liu, J Yao, Z Li, J Liu… - Optics …, 2020 - opg.optica.org
We demonstrate for the first time the generation of octave-spanning mid-infrared using a
BGSe nonlinear crystal. A Cr: ZnS laser system delivering 28-fs pulses at a central …

High energy and tunable mid-infrared source based on BaGa4Se7 crystal by single-pass difference-frequency generation

Y He, Y Guo, D Xu, Y Wang, X Zhu, J Yao, C Yan… - Optics …, 2019 - opg.optica.org
A high-energy and tunable mid-infrared source based on BaGa_4Se_7 crystal was
demonstrated by single-pass difference-frequency generation (DFG). Orthogonally polarized …

Synthesis, Growth of Crack-Free Large-Size BaGa4Se7 Crystal, and Annealing Studies

Y Guo, Z Li, Z Lei, X Luo, J Yao, C Yang… - Crystal Growth & …, 2018 - ACS Publications
The newly developed IR nonlinear optical (NLO) material BaGa4Se7 (BGSe) has aroused
intense research interest owing to its excellent overall properties and outstanding IR laser …

A BaGa4Se7 crystal based pulsed mid-infrared light source with a narrow linewidth in 4–12 µm

Z Xiao, J Gu, Z Wang, W Chu, Q Zhang… - Review of Scientific …, 2023 - pubs.aip.org
We present a BaGa 4 Se 7 (BGSe) crystal based coherent pulsed light source for high
resolution mid-infrared (MIR) spectroscopy in the 4–12 µm region. The all-solid-state system …

Laser-induced damage threshold of BaGa4Se7 and BaGa2GeSe6 nonlinear crystals at 1.053  μm

NY Kostyukova, AA Boyko, EY Erushin, AI Kostyukov… - JOSA B, 2019 - opg.optica.org
We investigated the laser-induced damage threshold of two barium chalcogenides crystals,
BaGa_4Se_7 and BaGa_2GeSe_6, at 1.053 μm radiation with a pulse duration of 7–10 ns …

Continuous-wave difference-frequency generation based on BaGa4Se7 crystal

MG Sun, ZS Cao, J Yao, HL Ma, YW Guo, XM Gao… - Optics …, 2019 - opg.optica.org
A continuous-wave mid-infrared radiation from difference frequency generation by mixing a
continuous-wave Ti: sapphire laser and a continuous-wave YAG laser in a 15 mm long …