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New opportunities for ferroelectric deep-UV nonlinear optical crystals

Science China Materials 2024年第3期67卷 1004-1005页

作者： miriding mutailipu Shilie Pan Research Center for Crystal Materials Xinjiang Technical Institute of Physics and ChemistryChinese Academy of SciencesUrumqi 830011China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China

Deep-ultraviolet(deep-UV)light with the wavelength below200 nm is one of the most crucial elements of both laser-driven industrial and scientific applications in recent years[1].DeepUV light has been produced using a variety of techniques,such as gas discharge lamps,synchrotron radiation,excimer lasers,free electron lasers,and nonlinear frequency conversion.

关键词： nonlinear optical ferroelectric

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(NH4)3B11PO19F3: a deep-UV nonlinear optical crystal with unique [B5PO10F]∞ layers

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National Science Review 2022年第8期9卷 138-143页

作者： Bingliang Cheng Zijian Li Yu Chu Abudukadi Tudi miriding mutailipu Fangfang Zhang Zhihua Yang Shilie Pan CAS Key Laboratory of Functional Materials and Devices for Special Environments Xinjiang Technical Institute of Physics and Chemistry of Chinese Academy of Sciences Xinjiang Key Laboratory of Electronic Information Materials and Devices Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences

Deep-ultraviolet(DUV) nonlinear optical(NLO) crystals that can extend the output range of coherent light below 200 nm are pivotal materials for solid-state lasers. To date, KBe2BO3F2(KBBF) is the only usable crystal that can generate DUV coherent light by direct second harmonic generation(SHG), but the layered growth habit and toxic ingredients limit its application. Herein, we report a new fluoroborophosphate,(NH4)3B11PO19F3(ABPF), containing four different functional units: [BO3],[BO4], [BO3F] and [PO4]. ABPF exhibits a KBBF-like structure while eliminating the limitations of KBBF crystal. The unique [B5PO10F]∞layers enhance ABPF’s performance; for example, it has a large SHG response(1.2 × KDP) and a sufficient birefringence(0.088 at 1064 nm) that enables the shortest phase-matching wavelength to reach the DUV region. Meanwhile, the introduction of strong B-O-P covalent bonds decreases the layered growth habit. These findings will enrich the structural chemistry of fluoroborophosphate and contribute to the discovery of more excellent DUV NLO crystals.

关键词： deep-ultraviolet nonlinear optical materials KBBF-like structure fluoroborophosphate

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Toward the Enhancement of Critical Performance for Deep-Ultraviolet Frequency-Doubling Crystals Utilizing Covalent Tetrahedra

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Accounts of Materials Research 2021年第4期2卷 282-291页

作者： miriding mutailipu Zhihua Yang Shilie Pan CAS Key Laboratory of Functional Materials and Devices for Special Environments Xinjiang Technical Institute of Physics&ChemistryUrumqi 830011China Xinjiang Key Laboratory of Electronic Information Materials and Devices Urumqi 830011China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China

Deep-ultraviolet(deep-UV,λ<200 nm)coherent light is emerging as an indispensable driving force behind the innovation of optics and materials science.The deep-UV-driven applications range from laser interference photolithography to precise micromachining to futuristic ideas such as space propulsion using remotely controlled positioning lasers.Unlike conventional approaches to obtaining deep-UV light,for instance,synchrotron radiation,direct laser excitation,and gas discharge,nonlinear frequency conversion can be regarded as a more attractive way to endow such resource with high photon energy,high photon flux,and high spectral resolution.Actually,the nonlinear frequency conversion can be efficient only with the use of highperforming frequency-doubling crystals,which should be well-suited to the physics of nonlinear optical process.However,the necessary prerequisites for a practical frequency-doubling crystal are extremely strict,and thus very few crystals can be used to generate the deep-UV light.Faced with this,sustained effort has been expended by chemists and materials scientists toward discovering novel deep-UV frequency-doubling crystals.Studies have so far indicated that the main difficulty in finding a perfect candidate comes from the combination of three critical properties(absorption edge,nonlinear optical coefficients,and birefringence)into one crystal because they share the mutual relation of restriction and influence.In this Account,we present recent progress in discovering emergent deep-UV frequency-doubling crystals with the discussion of our efforts to balance the three critical properties by introducing the covalent tetrahedra[MO4−nXn](n=1−3),in which M refers to central atoms such as B,P,Si,S,Al,Zn,and Be and X can be apical atoms such as F,Cl,Br,and N.By analyzing the influence of the covalent tetrahedra on optical properties,we came to the conclusion of how to use the oxidized tetrahedra to achieve the improvement of the absorption edge,nonlinear optical coefficients,and birefringence for deep-UV

关键词： doubling mutual bonds

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共价键合氟优化氟化硼酸盐的深紫外非线性光学性能

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Science Bulletin 2024年第9期69卷 1192-1196页

作者：李富明靳文琪安然米日丁·穆太力普潘世烈杨志华 Research Center for Crystal Materials State Key Laboratory of Functional Materials and Devices for Special Environmental ConditionsXinjiang Key Laboratory of Functional Crystal MaterialsXinjiang Technical Institute of Physics and ChemistryChinese Academy of SciencesUrumqi 830011China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijing 100049China

Nonlinear optical (NLO) crystals are pivotal in laser application technology, which can convert the laser frequency to generate coherent light in the deep-ultraviolet (deep-UV, wavelengthλ≤200 nm) to far-infrared spectral range, and widely used in solid-state system detection, tissue imaging, quantum information,and more [1]. To expand the diversity of optical functional units and then discover novel NLO materials.

关键词：非线性光学性能共价键合硼酸盐深紫外

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Crystal Growth and Optical properties of K3B6O10Br

Crystal Growth and Optical properties of K3B6O10Br

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中国晶体学会第六届学术年会暨会员代表大会（非线性光学及...

作者： Min Zhang Shilie Pan Xiaoyan Liang miriding mutailipu Xinjiang Technical Institute of Physics & Chemistry CAS Shanghai Institute of Optics and Fine Mechanics CAS

The experimental and theoretical analysis of linear and nonlinear optical properties of KBOBr(KBOB),with a moderate birefringence that is suitable for UV coherent light generation and optical parametric oscillators was presented in detail.The second-order nonlinear optical coefficients were firstly measured by Maker fringe method and the refractive indices dispersion curves were deduced,

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