Relevant bibliographies by topics / Nonlinear borates

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Academic literature on the topic 'Nonlinear borates'

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Published: 25 May 2024

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Journal articles on the topic "Nonlinear borates"

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Yu, Daqiu, and Dongfeng Xue. "Bond analyses of borates from the Inorganic Crystal Structure Database." Acta Crystallographica Section B Structural Science 62, no. 5 (September 18, 2006): 702–9. http://dx.doi.org/10.1107/s0108768106018520.

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Various fundamental building blocks (FBBs) are observed in the crystallographic structures of oxoborates available in the Inorganic Crystal Structure Database, Version 1.3.3 (2004); the occurrence of borate groups with low complexity is dominant. Bond-valence parameters d 0 of B—O bonds in 758 oxoborates with various FBBs have been calculated using the bond-valence sum model. Some discrepancies in the d 0 values obviously occur if the detailed configurations of FBBs in borate crystals are considered; d 0 is sensitive to the chemical bonding structure of B atoms in the crystallographic framework. Moreover, d 0 values are affected by the existence of interstitial atoms and the substitution of other anionic groups. In addition, the d 0 parameters for B—N, B—S, B—P and B—F bonds are also calculated statistically. Some suitable d 0 data for various borate FBBs are recommended according to their particular configurations, especially for those with low complexity. On the basis of the proposed linear relationship between calculated nonlinear optical (NLO) coefficients of borates and the current d 0 values for various FBBs, it is found that the d 0 values may be regarded as a useful parameter for pre-investigating the NLO properties of borates, leading to an efficient structural evaluation and design of novel borates.
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Li, Linyan, Guobao Li, Yingxia Wang, Fuhui Liao, and Jianhua Lin. "Bismuth Borates: One-Dimensional Borate Chains and Nonlinear Optical Properties." Chemistry of Materials 17, no. 16 (August 2005): 4174–80. http://dx.doi.org/10.1021/cm050215d.

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Foldv´ari, Istvan, Katalin Polg´ar, Agnes P´eter, Elena Beregi, and Zsuzsanna Szaller. "Growth and study of nonlinear optical crystals at the Hungarian Academy of Sciences." Journal of Telecommunications and Information Technology, no. 1-2 (June 30, 2000): 37–41. http://dx.doi.org/10.26636/jtit.2000.1-2.15.

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The former Research Laboratory for Crystal Physics continues the growth and defect structure investigation of nonlinear optical single crystals in a new organization, as a part of the Research Institute for Solid State Physics and Optics, Hungarian Academy of Sciences. The aim of the activity is to prepare specific crystals for basic and applied research as well as for applications. We improve the quality or modify the properties of well known nonlinear oxide and borate crystals and develop new materials. The principle nonlinear optical crystals in our profile are the followings: Paratellurite (TeO2), congruent, Mg-doped and stoichiometric lithium niobate (LiNbO3), a variety of sillenite structured crystals (Bi12}MeO20, Me=Si, Ge, Ti, etc.), bismuth tellurite (Bi2TeO5 and nonlinear borates (BBO-b-BaB2O4, LBO-LiB3O5, LTB-Li2B4O7, CLBO-CsLiB6O10 and YAB-YAl3(BO3)4). Details of the crystal preparation and the major achievements are discussed in the paper.
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Plachinda, Paul A., Valery A. Dolgikh, Sergey Yu Stefanovich, and Petr S. Berdonosov. "Nonlinear-optical susceptibility of hilgardite-like borates ; )." Solid State Sciences 7, no. 10 (October 2005): 1194–200. http://dx.doi.org/10.1016/j.solidstatesciences.2005.05.006.

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Volkova, Elena A., Daniil A. Naprasnikov, and Nikolay I. Leonyuk. "Thin Films and Glass–Ceramic Composites of Huntite Borates Family: A Brief Review." Crystals 10, no. 6 (June 6, 2020): 487. http://dx.doi.org/10.3390/cryst10060487.

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Rare-earth aluminum borates, RAl3(BO3)4 (where R = Y, Pr–Lu), are of great interest because of their attractive multifunctional properties, depending on their structure and composition. The combination of desirable physical and chemical characteristics makes them promising materials for lasers and nonlinear optics. Research focusing on RAl3(BO3)4 (RAB) compounds and their solids solutions has continued for more than five decades and has been reflected in numerous articles and several reviews. The last decade’s enhanced interest is being conducted towards epitaxial layers because of the availability of other possible applications, for instance, as scintillators, visible emitting phosphors or optical waveguides and waveguide lasers. On the other hand, the tendency of borate melts to form glasses makes them attractive for research of micro-crystallization processes in these systems and can be effortless towards finding relatively inexpensive optical glass–ceramic materials with similar composition as alternative components to laser systems. This article reviews the recent progress carried out hitherto on epitaxial layers and glass–ceramic composites of huntite-type rare-earth aluminum borates.
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Wu, Chao, Longhua Li, Junling Song, Gang Yang, Mark G. Humphrey, and Chi Zhang. "Solvent-controlled syntheses of mixed-alkali-metal borates exhibiting UV nonlinear optical properties." Inorganic Chemistry Frontiers 4, no. 4 (2017): 692–700. http://dx.doi.org/10.1039/c7qi00001d.

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Reshak, A. H., and S. Auluck. "Two haloid borate crystals with large nonlinear optical response." Physical Chemistry Chemical Physics 19, no. 28 (2017): 18416–25. http://dx.doi.org/10.1039/c7cp02364b.

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The photophysical properties of the noncentrosymmetric haloid borates K3B6O10X (X = Cl or Br) are calculated using density functional theory within the recently modified Becke–Johnson potential.
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Wu, L., Y. Zhang, W. W. Su, Y. F. Kong, and J. J. Xu. "Structural study of nonlinear optical borates K1−xNaxSr4(BO3)3 (x≤0.5)." Powder Diffraction 25, S1 (September 2010): S11—S16. http://dx.doi.org/10.1154/1.3478412.

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X-ray powder diffraction was used for the structural study of nonlinear optical borates K1−xNaxSr4(BO3)3 (x≤0.5). Results show that up to 50% K+ can be substituted by Na+ in orthorhombic K1−xNaxSr4(BO3)3. Isolated BO3 triangles in the Na-substituted compound constrict to adjust to a local distribution of alkali-metal atoms, which explains the large range of structural homogeneity. An expansion of the c axis in a unit cell with increasing Na substitution was found probably caused by the tilted BO3 triangles and asymmetric distortion of (K/Na)O8 polyhedra. As the ratio of ionic radii of alkaline-earth and alkali-metal cations decreases and the electronegative difference between alkaline-earth and alkali-metal cations increases, the crystal system of MM′4(BO3)3 borates changes from cubic to orthorhombic and then to monoclinic.
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Yao, Wenjiao, Ran He, Xiaoyang Wang, Zheshuai Lin, and Chuangtian Chen. "Borates: Analysis of Deep-UV Nonlinear Optical Borates: Approaching the End (Advanced Optical Materials 5/2014)." Advanced Optical Materials 2, no. 5 (May 2014): 410. http://dx.doi.org/10.1002/adom.201470030.

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Kang, Lei, Pifu Gong, Zheshuai Lin, and Bing Huang. "Deep‐Ultraviolet Nonlinear‐Optical van‐der‐Waals Beryllium Borates**." Angewandte Chemie International Edition 60, no. 30 (June 18, 2021): 16680–86. http://dx.doi.org/10.1002/anie.202105789.

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Dissertations / Theses on the topic "Nonlinear borates"

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Corker, Deborah Louise. "Structure-property relationships in new nonlinear optical borates." Thesis, University of Oxford, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320670.

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Gross, Timothy M. "[Beta]-barium borate thin film formation on silicon through metal organic decomposition of two novel precursors, barium dimesitylborinate and barium (18-crown-6) cyclotriboroxane /." Online version of thesis, 2004. http://hdl.handle.net/1850/11802.

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Cassouret, Florent. "Synthèse et étude de cristaux oxydes laser et optique non linéaire pour des sources cohérentes émettant dans l’ultraviolet." Electronic Thesis or Diss., Université Paris sciences et lettres, 2022. http://www.theses.fr/2022UPSLC016.

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Les lasers émettant dans l’ultraviolet trouvent de nombreuses applications dans les domaines de la chirurgie médicale, de l’usinage ou de la microélectronique. Actuellement, le domaine ultraviolet est principalement couvert par des lasers à gaz, encombrants, appelés lasers à excimère. Mais les lasers solides UV basé sur des cristaux convertisseur de fréquence offrent une alternative extrêmement séduisante.Ces travaux de thèses s’articulent autour de deux axes : l’élaboration de cristaux oxydes dopés praséodyme en particulier l’ASL (Sr0.7La0.3Mg0.3Al11.7O19), le LGAGO (LaGa0.6Al0.4Ge2O7) et le CYAM (CaYAl3O7) pour obtenir une émission directe dans le visible. Le second axe concerne la croissance de matériaux non linéaires qui peuvent être utilisés pour convertir cette longueur d’onde visible en UV avec en particulier YAl3(BO3)4 (YAB) ou Ca5(BO3)3F (CBF).Concernant les matériaux dopés praséodyme, des monocristaux ont été obtenu par la méthode Czochralski ou par la méthode de la zone fondue puis leurs propriétés spectroscopiques ont été caractérisées (sections efficaces d’absorption et d’émission, temps de vie de fluorescence, …). Des émissions laser ont également été obtenues dans les domaine du rouge lointain (726 nm) du rouge (640 nm) et de l’orange (620 nm) avec des échantillons de Pr :ASL de très bonne qualité optique.S’agissant des matériaux non linéaires, une optimisation des conditions de croissance du CBF en flux LiF a permis d’obtenir des cristaux totalement transparents et présentant peu d’inclusions. Une étude a également été menée pour trouver de nouveaux candidats comme flux pour la croissance de ce matériau avec notamment SrF2.Pour la croissance du YAB, deux systèmes ont été étudiés : un premier à base du borate de lanthane LaB3O6 et un second à base du tungstate Li2WO4. Plusieurs cristaux de YAB de bonne qualité optique ont pu être obtenu par croissance TSSG avec ces flux
Ultraviolet emitting lasers have many applications in medical surgery, machining, or microelectronics. Currently, the ultraviolet domain is mainly covered by bulky gas lasers, called excimer lasers. However, solid-state UV lasers based on frequency converter crystals give an alternative path to those systems.This PhD thesis focused on two main topics: the growth of new praseodymium oxide hosts such as ASL (Sr0.7La0.3Mg0.3Al11.7O19), LGAGO (LaGa0.6Al0.4Ge2O7) and CYAM (CaYAl3O7) for visible light emission. The second topic is about the growth of nonlinear crystals which can convert this visible light into UV light such as YAl3(BO3)4 (YAB) or Ca5(BO3)3F (CBF).Pr3+ doped crystals were obtained using Czochralski or floating zone method and their spectroscopic properties were investigated (absorption and emission cross sections, fluorescence lifetime, …). Laser emissions in the deep red (726 nm), red (640 nm) and orange (620 nm) domains were obtained using Pr:ASL crystals with good optical quality.The optimisation of the growth parameters of CBF with LiF flux allows to obtain transparent crystal with only few inclusions. New fluxes for CBF growth were also studied such as SrF2.Two systems were investigated for the YAB growth: one based on lanthanum borate LaB3O6 and another based on Li2WO4. Several good quality crystals were obtained with this flux using TSSG method
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Yevstafyev, Oleksandr. "Instabilité explosive des ondes magneto-élastiques." Phd thesis, Ecole Centrale de Lille, 2011. http://tel.archives-ouvertes.fr/tel-00607191.

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Les instabilités paramétriques non linéaires (NL) ont été observées sur les ondes magnéto-élastiques dans le cas d'un couplage de trois quasi-phonons sous pompage électromagnétique. La théorie en prédit une dynamique supercritique explosive, mais limitée expérimentalement par le décalage de fréquence dû aux fortes nonlinéarités. La dynamique supercritique des instabilités paramétriques NL est étudiée dans deux matériaux antiferromagnétiques "plan facile" (AFEP): l'hématite α-Fe2O3 et le borate de fer FeBO3. Ces matériaux possèdent une très grande NL acoustique effective en raison du couplage magnéto-élastique élevé. Les mécanismes de limitation de la dynamique explosive ont été analysés à l'aide de l'approximation anharmonique. La compensation du décalage fréquentiel NL par une modulation de phase singulière du pompage a été proposée et théoriquement vérifiée, puis utilisée pour l'observation expérimentale de la dynamique supercritique explosive des excitations de trois quasi-phonons dans les résonateurs magnéto-élastiques. Les études sur FeBO3 ont été réalisées dans la gamme de température 77 K - 293 K où les paramètres magnéto-élastiques du cristal varient de façon significative. Un modèle fortement non linéaire des excitations de trois quasi-phonons dans les AFEPs a été développé. Les simulations numériques sont en accord avec les résultats expérimentaux. Les études théoriques de couplage de trois ondes magnéto-élastiques progressives ont été effectuées sur la base de modèles théoriques prenant en compte la non-linéarité cubique des cristaux AFEP réels. Les simulations numériques prévoient un comportement explosif et une localisation spatiale des triades générées
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Almeida, Juliana Mara Pinto de. "Propriedades ópticas não lineares e microestruturação em vidros boratos com laser de femtossegundos." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/88/88131/tde-02032012-124757/.

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Pulsos ultracurtos de laser vêm sendo usados tanto para estudar e desenvolver processos ópticos não lineares em materiais, quanto para o seu processamento visando as mais diversas aplicações tecnológicas. Neste trabalho, estas duas áreas (estudos de não linearidades e processamento de materiais) foram exploradas em distintas amostras vítreas. Primeiramente, investigamos o espectro das propriedades ópticas não lineares de terceira ordem de vidros oxifluoroboratos de chumbo (50BO 1,5 - (50-x)PbF2 - xPbO) em função da variação da composição. Os espectros não lineares foram determinados na região do visível e infravermelho próximo pela técnica de varredura-z, utilizando um sistema laser de Ti: safira (775 nm, 150 fs, 1 kHZ) juntamente com um amplificador óptico paramétrico (470 a 2000 nm). Os resultados revelaram que a formação de oxigênios não ligantes favorece a resposta óptica não linear do material; o vidro com x = 50 apresentou as maiores não linearidades de terceira ordem, com índice de refração não linear de aproximadamente 4,7 x \'10 POT.-19\' \'M POT.2\'/W para comprimentos de onda entre 470 a 1550 nm, e coeficiente de absorção de dois fótons da ordem de 1 cm/GW, na região de engrandecimento de ressonância. Estes resultados, associados com a análise do fator de mérito e medidas de limitação óptica, sugerem que esses vidros têm potencialidades para aplicações em limitadores de potência e chaves puramente ópticas. Com relação ao processamento de materiais, utilizamos a técnica de microestruturação com laser de femtossegundos para produzir microestruturas em vidros borato de chumbo e borosilicatos. Foi possível obter linhas na superfície destes materiais, cuja largura pode ser controlada no intervalo de 3 a 35 µm pela alteração das condições de focalização, energia e velocidade de varredura do feixe. Ainda, através da irradiação com pulsos de femtossegundos foi possível produzir nanopartículas de cobre, cujo tamanho está em torno de 15 nm, tanto no volume quanto na superfície de um vidro borosilicato. Observamos que existe uma combinação ótima entre a velocidade de varredura do laser e a temperatura de tratamento térmico que permite a formação dessas nanopartículas apenas nas regiões irradiadas.
Ultrashort laser pulses have been used to study and develop nonlinear optical processes in materials, as well as for their processing, aiming at several technological applications. In this work, both areas (study of optical nonlinearities and materials processing) were exploited for different glass materials. Initially, we have studied the third order nonlinear optical spectrum of lead oxifluoroborate glasses (50BO 1,5 - (50-x)PbF2 - xPbO) as a function of the composition. The optical nonlinearities were determined from the visible to the near infrared employing the Z-scan technique, using a Ti: sapphire laser system (775 nm, 150 fs, 1 kHZ) and an optical parametric amplifier (470 a 2000 nm) as excitation sources. The results revealed that the formation of non-bridging oxygens favors the nonlinear optical properties of the material; the glass with x = 50 presents the higher third order nonlinearities, exhibiting a nonlinear index of refraction of about 4,7 x \'10 POT.-19\' \'M POT.2\'/W at the range of 470 - 1550 nm, and a two-photon absorption coefficient of approximately 1 cm/GW at the resonant enhancement region. Figure of merit analysis and optical limiting measurements suggest that these glasses have potential for applications in optical limiting and all-optical switching. Regarding materials processing, we have used femtosecond laser micromachining to produce microstructures in lead borate and borosilicate glasses. We were able to produce lines with controlled widths, from 3 - 35 µm, on the surface of the glasses by changing the focus, speed and energy of the laser beam. Moreover, using femtosecond laser pulses we obtained copper nanoparticles on the surface as well as in the bulk of a borosilicate glass. We have observed that there is an optimal combination between scanning speed and annealing temperature to promote the formation of nanoparticles at the regions irradiated by the laser.
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Navas, John Alvaro. "Molybdenum nitrosyl tris-(3,5-dimethylpyrazolyl)borato complexes for photochemistry, nonlinear optics and molecular electronics." Thesis, University of Bristol, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.261253.

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Alekel, Theodore. "Synthesis and study of new borate optical hosts." Thesis, 1993. http://hdl.handle.net/1957/36356.

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Wang, Pin-Hao, and 王平皓. "Cation effect on the band gaps of borate nonlinear optical crystals." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/77796910212211706321.

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碩士
淡江大學
物理學系碩士班
104
In this paper,we use CASTEP（Cambridge Serial Total Energy Package）to calculate cation removed borate nonlinear optical crystals (no-L_LBO、no-C_CBO、no-CL_CLBO). DOS (Density of state) and the orbital density are observed in detail, we found difference in the degrees of electron localization,and therefore propose an method effective volume in crystal. By comparing effective volume in crystal, within certain range of orbital density coress-bonding effective is inverse for band gap,it can be used to explain band gap trend of LBO、CBO、CLBO. We apply effctive volume method to other borate crystals (MBO、MBBF、MBOF), we can also find orbital density range which the effective volume is inverse proportional to band gap,this further strencth the feasibility and convincing power of the idea of using effctive volume of framwork to predict band gap trend.
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Hruschka, Michael Archimedes. "A new trigonal huntite material and subgroup relationships between crystallographic space groups." Thesis, 2005. http://hdl.handle.net/1957/31516.

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Karnal, Ashwani Kumar. "Growth And Characterization Of Technologically Important Nonlinear Optical Crystals: Cesium Lithium Borate And Potassium Di-Deuterium Phosphate." Thesis, 2006. https://etd.iisc.ac.in/handle/2005/364.

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Present day advanced technologies heavily rely on one particular class of matter, i.e. the crystals. It is the periodic nature of the atoms and the properties arising due to the periodicity in crystals that is exploited to meet various technological feats. The technological revolutions in the semiconductor, optics and communication industries are the examples. The anisotropy in the crystals gives them enhanced properties as required in the field of non-linear optics. The field of non-linear optics became practically a reality after the invention of lasers. The coherent and monochromatic optical beams in the visible and ultraviolet ranges are in high demand due to their application in the fields like material processing, semiconductor lithography, laser micromachining, laser spectroscopy, photochemical synthesis, inertial confinement fusion and other basic scientific studies. In this thesis, work on the growth and characterization of two technologically important non-linear optical crystals has been carried out after developing the necessary instrumentation and some novel techniques for synthesis and growth. Also, studies on the glassy nature of one of the crystals have been carried out. This thesis consists of seven chapters. The first chapter gives a brief introduction to the nonlinear optical phenomenon, crystal growth and glassy state. Instrumentation is the backbone of crystal research technology. Without precision growth equipments large size crystals cannot be grown and without precision characterization instrumentation no conclusion regarding the quality and usefulness of the grown material can be drawn. The work reported in Chapter 2 describes the instrumentation developed for the growth, processing and characterization of crystals grown by solution and melt growth techniques. In low temperature solution growth, crystal growth workstations have been developed using tanks (made of acrylic), heating elements, and stirring propellers. Cooling coils have been inserted into the designed water bath to grow crystals below ambient also. This bath has an advantage to work over a wide range of temperatures, so that maximum retrieval of the material is possible. The growth of large crystals is usually hindered due to spurious nucleation precipitating during the growth process. A novel nucleation-trap crystallizer has been designed and developed that facilitates the continuation of the growth run in spite of extra nucleation precipitating after seeding. In this crystallizer, the spurious nuclei and any other particles generated after the filtration are forced into a well, and the growth of spurious nuclei is arrested by manipulating the temperature of this trap. Achieving adequate heat flow and mass flow profiles is of vital importance for growing good quality crystals. An optimized stirring procedure for the solution or melt is needed for ensuring the desired supply of growth units to the crystal-nutrient interface, and for transporting away any debris of the crystal-growth process. An ACRT set up has been designed and developed. For the growth of crystals by the flux technique and from direct melt, a crystal puller has been designed and developed. The crystal puller consists of a crystal rotation unit, slow and fast pulling mechanisms and a control unit. The pulling assembly is protected from damage caused by possible human errors through interlock mechanisms. The vibration at the shaft of the seed rotation assembly has been minimized by using a dc motor for rotation. A versatile triangular / square wave oscillator has been designed for developing a dc motor control. By implementing this control, the speed of the motor does not vary with supply-voltage variations. A quarter-step switching logic sequence is introduced for stepper motors, which is used for the slow UP/DOWN movement of the puller. This puller can be controlled locally by a control panel provided with the puller, or through a PC remotely by bypassing the local control. Additionally, for the processing and characterization of the grown DKDP crystals, a closed-loop thread-cutter, a ferroelectric loop tracer, and a computer-controlled system for measuring the half-wave voltage have been developed. A novel mercury encapsulant seeding technique that facilitates the processing of solution with immersed seed is invented and has been described in Chapter 3. This technique allows processing of solution with the seed inside the growth chamber, and still avoids contamination of the solution and formation of crystal clusters that are normally generated when seed is inserted after processing of the solution. DKDP and KAP crystal seeds have been used to check the dissolution of seeds, if any, when immersed in pure water for several hours and at high temperatures after introducing the seal. It has been observed that the mercury seal does not allow creeping of water into the seed holder, and there is no dissolution of the seed. This technique has been practically implemented for the growth of crystals from aqueous solution and its usefulness has been demonstrated by growing ammonium acid phthalate, potassium acid phthalate and potassium di-deuterium phosphate crystals. Nonlinear-optical crystals find major use in inertial-confinement fusion (ICF) experiments. For such applications, nonlinear crystals with very large damage-resistance are needed. Alternatively, crystals with moderate damage resistance but large size can be used for frequency-conversion for efficient plasma experiments. Potassium di-hydrogen phosphate, KH2PO4 (KDP) and its deuterated analog, K(DxH1-x)2PO4 (DKDP) are at present the only nonlinear optical crystals which can be grown to large sizes and are suitable for ICF studies. Also, solid-state light valves, light deflectors, and laser communication devices require large and perfect tetragonal DKDP crystals, with high deuterium concentration for easier operation. Chapter 4 describes the growth and characterization of DKDP crystals. DKDP crystals have been grown by all the three techniques i.e. conventional, platform and novel mercury encapsulant seeding techniques. Details about a new approach for the synthesis of DKDP solution have been given. A comparative study of the grown crystals by mercury-encapsulant technique and other techniques is described. Habit modification was observed due to the placement of seed crystals at an off-centre position and orientation in mercury encapsulant seeding technique and has been discussed. The grown crystals have been characterized for homogeneity, dislocations, transmission, DSC, rockng curve, etc. Due to the higher photon energies and the ability to be more tightly focused, coherent radiations of shorter wavelength (deep-UV) are in demand. The photon energies in this region are sufficient for bond-breaking processes in many materials, and find applications in fields like material processing, semiconductor lithography, laser micromachining, laser spectroscopy, photochemical synthesis, etc. Although excimer lasers (XeCl, KrF, ArF etc.) produce significant power in the deep-UV region, these laser systems involve corrosive gases, and are bulky, apart from requiring regular maintenance. A maintenance-free, compact, solid-state laser is preferable. But this, in turn, requires an efficient NLO crystal in that region. CLBO is one such crystal. Growth of CLBO crystals has been carried out by the flux-growth technique using B2O3-deficient flux, as well as from stoichiometric melt and has been discussed in Chapter 5. It was observed that the nucleation of material on platinum wire or spontaneous nucleation was difficult to achieve in spite of high supercooling. After forcing cracks into the mass deposited on platinum wire nucleation could be achieved. The growth of crystals was carried out on seeds with different orientations. Transmission studies, etch-pit studies and harmonic-generation experiments were performed on the grown crystals. The glass-forming tendency of CLBO has been studied and reported in Chapter 6. DTA experiments show that CLBO melt generally transforms to glass on cooling. Even at a cooling rate as low as 1°C/min, the material does not crystallize but transforms into glass. Ergodicity making and glass transition temperatures were determined for glassy CLBO. Since neither the crystallization peak nor the melting peak was observed in DTA experiments during the heating part of thermal cycle for glassy CLBO, a new approach of seeded crystallization was adopted in the calorimetric experiments to achieve crystallization. Since the size of added nuclei is already above the critical radius, the onset of crystallization peaks is independent of the critical-radius energy barrier. Kissenger method was applied to determine the activation energy of seeded- crystallization process. The transformation of glass CLBO to the crystalline phase is mediated by dendrites. Possibility of bulk crystal growth from the glassy state has been discussed, and a novel idea of surface crystallization is proposed. Chapter 7 summarizes the work carried out and projects the scope for future work.
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Books on the topic "Nonlinear borates"

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Chen, Chuangtian, Takatamo Sasaki, Rukang Li, Yincheng Wu, Zheshuai Lin, Yusuke Mori, Zhangui Hu, et al. Nonlinear Optical Borate Crystals. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527646388.

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Development of new nonlinear optical crystals in the borate series. Chur, Switzerland: Harwood Academic Publishers, 1993.

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Alekel, Theodore. Synthesis and study of new borate optical hosts. 1993.

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Nonlinear Optical Borate Crystals. Wiley-VCH Verlag GmbH, 2012.

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Chen, Chuangtian, Takatamo Sasaki, Rukang Li, Yincheng Wu, and Zheshuai Lin. Nonlinear Optical Borate Crystals: Principals and Applications. Wiley & Sons, Incorporated, John, 2012.

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Chen, Chuangtian, Takatamo Sasaki, Rukang Li, Yincheng Wu, and Zheshuai Lin. Nonlinear Optical Borate Crystals: Principals and Applications. Wiley & Sons, Incorporated, John, 2012.

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7

Chen, Chuangtian, Takatamo Sasaki, Rukang Li, Yincheng Wu, and Zheshuai Lin. Nonlinear Optical Borate Crystals: Principals and Applications. Wiley & Sons, Incorporated, John, 2012.

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Chen, Chuangtian, Takatamo Sasaki, Rukang Li, Yincheng Wu, and Zheshuai Lin. Nonlinear Optical Borate Crystals: Principals and Applications. Wiley & Sons, Limited, John, 2012.

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Book chapters on the topic "Nonlinear borates"

1

Ye, Ning. "Structure Design and Crystal Growth of UV Nonlinear Borate Materials." In Structure-Property Relationships in Non-Linear Optical Crystals I, 181–221. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/430_2011_69.

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2

Chen, Chuangtian. "Development of New Nonlinear Optical Crystals in the Borate Series." In ACS Symposium Series, 360–79. Washington, DC: American Chemical Society, 1991. http://dx.doi.org/10.1021/bk-1991-0455.ch024.

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3

Cheng, Z., and D. Tang. "Borates for Nonlinear Optics." In Encyclopedia of Materials: Science and Technology, 794–99. Elsevier, 2001. http://dx.doi.org/10.1016/b0-08-043152-6/00152-2.

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Chen, C., L. Liu, and X. Wang. "Fluorine-Containing Beryllium Borates as Nonlinear Optical Crystals for Deep-Ultraviolet Laser Generation." In Photonic and Electronic Properties of Fluoride Materials, 113–37. Elsevier, 2016. http://dx.doi.org/10.1016/b978-0-12-801639-8.00006-4.

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"Other Borate Crystals." In Nonlinear Optical Borate Crystals, 261–342. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527646388.ch4.

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"Introduction." In Nonlinear Optical Borate Crystals, 1–13. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527646388.ch1.

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"Theoretical Basis for the Development of Borate Nonlinear Optical Crystals." In Nonlinear Optical Borate Crystals, 15–115. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527646388.ch2.

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"Borate Nonlinear Optical Crystals for Frequency Conversion." In Nonlinear Optical Borate Crystals, 117–260. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527646388.ch3.

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"Applications." In Nonlinear Optical Borate Crystals, 343–76. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527646388.ch5.

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"Front Matter." In Nonlinear Optical Borate Crystals, I—XVIII. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527646388.fmatter.

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Conference papers on the topic "Nonlinear borates"

1

Atuchin, Victor V., and Valery G. Kesler. "Top surface properties of nonlinear optical borates." In 2009 International Conference and Seminar on Micro/Nanotechnologies and Electron Devices (EDM). IEEE, 2009. http://dx.doi.org/10.1109/edm.2009.5173935.

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2

Leonyuk, N. "Nonlinear optical anhydrous borates: the peculiarities of crystal growth." In XIV International Conference on Coherent and Nonlinear Optics, edited by Vyacheslav V. Osiko. SPIE, 1992. http://dx.doi.org/10.1117/12.144984.

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3

Leonyuk, N. I. "Growth and characterisation of NYAB crystals for compact laser systems." In The European Conference on Lasers and Electro-Optics. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/cleo_europe.1994.cwf41.

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Nonlinear optical properties for crystals RAl3(BO3)4 (R = Y and lanthanides) with huntite structure (sp. gr. R32) have been discovered first by authors1 among numerous in composition and structure anhydrous borates. In this group of borates the NdxY1_xAl3(BO3)4 (NYAB) is a new self-frequency-doubling laser crystal.2
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Kolis, Joseph W., Colin D. McMillen, and Henry Giesber. "Single crystals of borates for deep UV nonlinear optics (Conference Presentation)." In Nonlinear Frequency Generation and Conversion: Materials and Devices XVIII, edited by Peter G. Schunemann and Kenneth L. Schepler. SPIE, 2019. http://dx.doi.org/10.1117/12.2514740.

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5

Loiseau, Pascal, and Gérard Aka. "Novel nonlinear borates and fluoroborate for frequency conversion: from crystal growth to nonlinear optical properties." In Nonlinear Optics: Materials, Fundamentals and Applications. Washington, D.C.: OSA, 2007. http://dx.doi.org/10.1364/nlo.2007.wc3.

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6

Giesber, Henry, John M. Ballato, William T. Pennington, Jr., and Joseph W. Kolis. "Synthesis and characterization of optically nonlinear and light-emitting lanthanide borates." In International Symposium on Optical Science and Technology, edited by Alexander J. Marker III and Mark J. Davis. SPIE, 2001. http://dx.doi.org/10.1117/12.446881.

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7

Freegarde, T. G. M., J. Coutts, and A. Corney. "Second Harmonic Generation in β-Barium Borate using Elliptical Focussing." In Nonlinear Optical Properties of Materials. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/nlopm.1988.mf5.

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Haub, J. G., M. J. Johnson, H. D. Barth, and B. J. Orr. "Tunability of an optical parametric oscillator by injection-seeding: nonlinear optical and spectroscopic applications." In Nonlinear Optics. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/nlo.1992.tha3.

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The performance and reliability of optical parametric oscillators (OPO) has improved markedly with the availability of high-quality pump laser sources and of new nonlinear optical materials, such as β-barium borate (BBO).1,2 This yields enhanced OPO conversion efficiency and output power over a wide tuning range. For instance, we have shown3 that a BBO OPO, pumped by pulsed 355-nm radiation from a single-mode injection-seeded Nd: YAG laser, can attain a total (signal + idler) output pulse energy of ≥100 mJ throughout the tuning range 430 nm −2.0 µm, with maximum conversion efficiency >60%.
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9

Ashihara, S., T. Shimura, and K. Kuroda. "Temporal soliton compression in beta-barium borate." In Nonlinear Guided Waves and Their Applications. Washington, D.C.: OSA, 2002. http://dx.doi.org/10.1364/nlgw.2002.nlma4.

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10

Shao, Zhongxing. "Thermal Effect and Deficient Match of Wavelengths in CW Single Frequency Laser SHG." In Nonlinear Optics. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/nlo.1992.tud23.

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There are a number of work on CW intracavity SHG is reported(1-4). Some of them are single frequency operation. However the conversion efficiency P(2ω)/P2(ω) in Ref. 1, 2. and 3 is much lower, even an order of magnitude, than in theoretical evaluation as well as the fundamental beam waists focused on the doublers are thicker in most of the reports than in the optimum focusing parameter given by Ref. 5. In addition our previous work(6), a beta barium borate (BBC) was located at the auxiliary waist ωopt designed to satisfy the optimum focusing parameter inside a CW single frequency ring dye laser cavity, showed also low efficiency. To look into the reasons we redo the experiments and find out it is thermal effect and deficient match of wavelengths that to abate the efficiency, to make the harmonic power can not go very high as well.
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