Nonlinear Optical Borate Crystals

Chen, Chuangtian; Sasaki, T.; Li, Rukang; Wu, Yincheng; Lin, Zheshuai; Mori, Yusuke; Hu, Zhanggui; Wang, Jing; Uda, Satoshi; Yoshimura, Masashi; Kaneda, Yushi

doi:10.1002/9783527646388

Cited by 329 publications

(247 citation statements)

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“…We further made the calculations of those crystals by decomposing their structural units into the smallest possible ones of BO 3 and BO 4 . Apart from a sign change in the smallest SHG coefficient of LBO, the final results (Table 3) showed the same level of agreement to the experimental ones [29]. Table 3.…”

Section: Resultssupporting

confidence: 76%

On the Anionic Group Approximation to the Borate Nonlinear Optical Materials

2017

Crystals

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Abstract:In this mini-review type of article, a brief summary of the anionic group approximation as it relates to the borate nonlinear optical (NLO) crystals, an idea firstly proposed by Professor Chen, is presented. The basic idea, calculation method, tabulated coefficients of various common borate, as well as nitrate or carbonate groups, in their ideal geometries will be presented. New practices reveal that those parameters can still give very accurate predicted NLO coefficients for recently found NLO crystals without any adjustment of parameters.

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Section: Resultssupporting

confidence: 76%

On the Anionic Group Approximation to the Borate Nonlinear Optical Materials

2017

Crystals

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“…The anharmonic vibrations of the Li atom are weaker in Li2B4O7 (Figure 3b), and the vibrations of the Ba atoms in β-BaB2O4 are the weakest (Figure 3с). It is remarkable that the NLO properties are also expressed weaker in Li2B4O7 than in LiB3O5 [12,15], etc. This can be caused by the stronger anharmonicity of the Li atoms' vibrations.…”

Section: Anharmonicity Of Atomic Vibrations In Nlo Materialsmentioning

confidence: 99%

“…Hence, at first we will consider thermal vibrations of the single BO 3 triangles. As an example, we discuss the Ca 4 REEO(BO 3 ) 3 family [12] which is related to NLO borates based on isolated BO 3 triangles where REE = Gd (# 39716-ICSD) or Y, as well as K 2 Al 2 B 2 O 7 [21] and BaBiBO 4 [24]. We have investigated K 2 Al 2 B 2 O 7 (see Section 4.3) and BaBiBO 4 [58].…”

Section: Systematic Variations With Temperature Of Boron-oxygen Bond mentioning

confidence: 99%

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Borates—Crystal Structures of Prospective Nonlinear Optical Materials: High Anisotropy of the Thermal Expansion Caused by Anharmonic Atomic Vibrations

et al. 2017

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Abstract:In the present study the thermal structure evolution is reviewed for known nonlinear optical borates such as β- (98-348 K). In addition to the established criteria for nonlinear optical (NLO) properties of crystals, here the role of the anisotropy and anharmonicity of the thermal vibrations of atoms is analysed as well as changes in their coordination spheres and the anisotropy of the thermal expansion of the crystal structure. Non-centrosymmetric borates, especially those that have NLO properties, often show distinct anisotropies for each cation in comparison to centrosymmetric borates. All considered NLO borates contain BO 3 triangles, which are the principal cause of the strong anisotropy of the thermal expansion.Keywords: NLO borates; crystal structures at low and high temperatures; rigid boron-oxygen groups; anisotropic and anharmonic atomic vibrations; thermal expansion; low-and high-temperature single-crystal and powder X-ray diffraction

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“…Continuous-wave (cw) single-frequency sources in the ultraviolet (UV) are of great interest for many applications in science and industry including optical data storage, semiconductor wafer inspection, fiber Bragg grating fabrication, UV photolithography, holography, biomedicine, as well as absorption and fluorescence spectroscopy [1]. The predominant laser sources available in the UV region are excimer lasers, ion lasers, and free-electron lasers, with the associated limitations of non-solid-state design, bulky and complex architecture, large power comsumption, and high cost [2].…”

Section: Introductionmentioning

confidence: 99%

Continuous-wave, single-pass, single-frequency second-harmonic-generation at 266 nm based on birefringent-multicrystal scheme

Devi¹,

Parsa²,

Ebrahim-Zadeh³

2016

Opt. Express

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Abstract:We report the implementation of a compact cascaded multicrystal scheme based on birefringent crystals in critical phasematching, for the generation of continuous-wave (cw) radiation in the deep ultraviolet (UV). The approach comprises a cascade of 4 single-pass second-harmonic-generation (SHG) stages in β-BaB 2 O 4 (BBO) pumped by a single-frequency cw green source at 532 nm. A deep-UV cw output power of 37.7 mW at 266 nm has been obtained with a high passive power stability of 0.12% rms over more than 4 hours. Characterization and optimization of the system in each stage has been systematically performed. Angular phase-matching acceptance bandwidth under tight focusing in BBO, and spectral properties of the deep-UV radiation, have been studied. Theoretical calculations for SHG in the cascaded scheme based on birefringent phase-matching have been performed, and enhancement in UV power compared to single-stage single-pass scheme are studied. Theoretical comparison of BBO with other potential crystals for deep-UV generation in cascaded multicrystal scheme is also presented. 32-34 (1976). 16. J. Reintjes and A. C. Eckardt, "Efficient harmonic generation from 532 to 266 nm in ADP and KD*P," Appl. #260670Phys. Lett. 30(2), 91-93 (1977)

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Nonlinear Optical Borate Crystals

Cited by 329 publications

References 0 publications

On the Anionic Group Approximation to the Borate Nonlinear Optical Materials

On the Anionic Group Approximation to the Borate Nonlinear Optical Materials

Borates—Crystal Structures of Prospective Nonlinear Optical Materials: High Anisotropy of the Thermal Expansion Caused by Anharmonic Atomic Vibrations

Continuous-wave, single-pass, single-frequency second-harmonic-generation at 266 nm based on birefringent-multicrystal scheme

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