Relevant bibliographies by topics / Judd Oflet parameters

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Academic literature on the topic 'Judd Oflet parameters'

Author: Grafiati
Published: 5 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "Judd Oflet parameters"

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Ameer, Ali Hassan, F. Hasheem Haider, and F. AL-Ruwashdi Mohsin. "Studying the Absorption and Fluorescence Parameters of Ho: YAP Laser Using the Judd-Oflet Model." Indian Journal of Science and Technology 17, no. 5 (2024): 418–25. https://doi.org/10.17485/IJST/v17i5.2866.

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Abstract <strong>Objectives:</strong>&nbsp;Study and find the absorption and fluorescence parameters for the Ho: YAP laser crystal, such as branching ratios, intensity parameters, oscillation strength, fluorescence line strength, absorption line strength, the spontaneous emission factor, the time life of the upper irritated level, the emission cross-section, and the absorption cross-section and prove that this laser is Ho: YAP laser.&nbsp;<strong>Method:</strong>&nbsp;Absorption and fluorescence parameters are calculated by employing the equations of the Judd-Oflet model and using the absorpti
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Hassan, Ameer Ali, Haider F. Hasheem, and Mohsin F. AL-Ruwashdi. "Studying the Absorption and Fluorescence Parameters of Ho: YAP Laser Using the Judd-Oflet Model." Indian Journal Of Science And Technology 17, no. 5 (2024): 418–25. http://dx.doi.org/10.17485/ijst/v17i5.2866.

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Objectives: Study and find the absorption and fluorescence parameters for the Ho: YAP laser crystal, such as branching ratios, intensity parameters, oscillation strength, fluorescence line strength, absorption line strength, the spontaneous emission factor, the time life of the upper irritated level, the emission cross-section, and the absorption cross-section and prove that this laser is Ho: YAP laser. Method: Absorption and fluorescence parameters are calculated by employing the equations of the Judd-Oflet model and using the absorption coefficient to calculate the area under the curve. Find
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Vyas, Alok, Mahendra Vyas, and Manoj S. Shekhawat. "Photo-physical properties of Pr (III) chelates of substituted nitrobenzoic acid and nitrophenols." Journal of Condensed Matter 1, no. 01 (2023): 28–40. http://dx.doi.org/10.61343/jcm.v1i01.7.

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Electronic absorption and emission spectra were recorded for chelates of Pr (III) with 2-hydroxy-4-nirobenzoic acid, 3-hydroxy-4-nitrobenzoic acid, 4-hydroxy-3-nitrobenzoic acid, 4-methyl-2-nitrophenol, 4-chloro-2-nitrophenol and 5-fluoro-2-nitrophenol in various M: L stoichiometry and for different pH. Intensity and energy of intraconfigurational 4fn transitions have been determined from the absorption spectra. The spectroscopic parameters like Slater-Condon (Fk), Racah (Ek), Lande (ζ4f) and Judd-Oflet parameters Ωλ (λ=2, 4, 6) have been computed using statistical method like partial regressi
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Shubh, Laxmi, Ojha Mukta, and S.N. Jatolia. "Effect of Medium on Hypersensitive Transition and Calculation of Judd-oflet Intensity Parameters to Explore the Interaction between Sm(III)- Imidazole Derivative in Different Environment." European Journal of Advances in Engineering and Technology 10, no. 11s (2023): 54–57. https://doi.org/10.5281/zenodo.10638754.

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<strong>ABSTRACT</strong> Thermodynamic parameters in micellar and alcoholic medium has been computed for Sm(III)- Imidazole systems. Various energies and intensities parameters for all the transitions were calculated using Judd-Ofelt relation which are perfectly matches with observed value.<strong> </strong>Eight bands <sup>6</sup>H<sub>5/2</sub>&rarr; H<sub>9/2 </sub>,<sub>&nbsp;&nbsp; </sub><sup>6</sup>H<sub>5/2</sub> &rarr;<sup>4</sup>D<sub>3/2</sub>,<sub>&nbsp; </sub><sup>6</sup>H<sub>5/2</sub> &rarr; <sup>6</sup>P<sub>3/2</sub>,<sub>&nbsp; </sub><sup>6</sup>H<sub>5/2</sub>&rarr;&nbsp;&nb
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Mukta, Ojha, Kumar Sanjay, Laxmi Shubh, and S.N. Jatolia. "Review on Ln (III) Metal Complexes with N, S and 'O' Containing Heterocyclic Ligands." Chemistry Research Journal 8, no. 5 (2023): 35–39. https://doi.org/10.5281/zenodo.11382351.

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<strong>Abstract </strong> The spectroscopic properties of the Ln (III) ions are unique due to shielding of the 4f orbitals by the filled 5s<sup>2</sup> and 5p<sup>6</sup> sub-shells. The electronic, in 4 f orbitals are Laporte forbidden.&nbsp; Most of the sharp lines like 4f&harr;4f transitions originating within the 4f-configuration of the lanthanide (III) ions are little affected by the environment of the lanthanide ions. Such transitions have been called hypersensitive transitions by Jorgensen and Judd.&nbsp; In lanthanides, transitions involve only a redistribution of electrons within the
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Verma, Om Prakash, N. Kumar Swamy, Anup Kumar Mishra, and Mekh Ram Meshram. "Role of Dysprosium in In2-xDyxO3 to Enhance White Light Emission in OLED." Current Materials Science 14, no. 2 (2021): 110–13. http://dx.doi.org/10.2174/2666145414666210607160241.

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Background: OLED material is always having much science to explore in them. The role of rare earth Dy as a dopant material in well studied In2O3 is studied. Objective: The candidature of the white light emission from the Organic light emitting diode is explored in the present work. Methods: The doping concentration effect and the corresponding emission is shown in the present work. It is emphasized that the doping at nearly x = 1 mol% of dysprosium could alter the transition states and the output of the emission is pure white which is corresponds to the luminescence peaks. Color purity and co-
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Shubh, laxmi, S.N. Jatolia, N. Bhojak, and O.P Regar. "Variation in Spectral Parameter of Gd (III) ion with Bioactive N, O-Containing -Heterocyclic Aromatic Ligand." International Journal of Novel Research in Physics Chemistry & Mathematics 9, no. 2 (2022): 1–5. https://doi.org/10.5281/zenodo.6575560.

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<strong>Abstract:</strong> The importance and versatility of derivatives of quinolines is well established in many forms of drugs, potential use of lanthanide complexes as diagnostic molecule have also been reported in literature but studies on biological aspects of complexes of lanthanides related with bioactive species are lesser.&nbsp; The constructions and characterizations of lanthanide complexes are currently of great interest because of their unique physico-chemical properties and various applications in medical field. The present work describes the synthesis, spectral and biological in
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Alhussan, Amel A., Mohamed S. Gaafar, Mafawez Alharbi, et al. "Prediction of the Judd–Ofelt Parameters of Dy3+-Doped Lead Borosilicate Using Artificial Neural Network." Electronics 11, no. 7 (2022): 1045. http://dx.doi.org/10.3390/electronics11071045.

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Developments in the field of glass research necessitate the mimicking of the optical properties of glass materials before melting the raw materials, as they are very expensive nowadays. An artificial neural network (ANN) was utilized during this work to train and predict the Judd–Ofelt parameters of various glasses, such as Ω2, Ω4 and Ω6, and the radiative lifetimes of many different types of rare-earth-doped glasses. The optimized ANN architecture for forecasting the Judd–Ofelt parameters were found to be very near to the experimentally measured parameters. Then, the conferred ANN model was e
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Xu, Qing, Yun Zhang та De-Long Zhang. "Comment on “A universal approach for calculating the Judd–Ofelt parameters of RE3+ in powdered phosphors and its application for the β-NaYF4:Er3+/Yb3+ phosphor derived from auto-combustion-assisted fluoridation” by B. Chen, S. Xu et al., Phys. Chem. Chem. Phys., 2018, 20, 15876". Physical Chemistry Chemical Physics 21, № 20 (2019): 10834–39. http://dx.doi.org/10.1039/c8cp07577h.

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We show that the Judd–Ofelt parameters depend mainly on the strong instead of the weak transitions as reported previously in Phys. Chem. Chem. Phys., 2018, 20, 15876. More reliable Judd–Ofelt analysis method is suggested.
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Silva, Valdeir A., José W. Silva, Paulo C. de Morais, and Noelio O. Dantas. "Judd−Ofelt Parameters via Bayesian Inference." Brazilian Journal of Physics 48, no. 2 (2017): 119–25. http://dx.doi.org/10.1007/s13538-017-0549-1.

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Dissertations / Theses on the topic "Judd Oflet parameters"

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Cordeiro, Neto Marcelino. "Espectroscopia óptica dos vidros PZABP dopados com terras-raras e nanopartículas semicondutoras." Universidade Federal de Juiz de Fora (UFJF), 2014. https://repositorio.ufjf.br/jspui/handle/ufjf/5356.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2017-06-27T20:21:11Z No. of bitstreams: 1 marcelinocordeironeto.pdf: 92399516 bytes, checksum: 0d59ef50bab71144a1450179047a4f30 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-08-07T21:07:35Z (GMT) No. of bitstreams: 1 marcelinocordeironeto.pdf: 92399516 bytes, checksum: 0d59ef50bab71144a1450179047a4f30 (MD5)<br>Made available in DSpace on 2017-08-07T21:07:35Z (GMT). No. of bitstreams: 1 marcelinocordeironeto.pdf: 92399516 bytes, checksum: 0d59ef50bab71144a1450179047a4f30 (MD5) Previ
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Silva, Geraldo Henriques. "Estudo das propriedades termo-ópticas em sistemas vítreos PZABP dopados com nanocristais semicondutores ZnTe e íons Eu3+." Universidade Federal de Juiz de Fora (UFJF), 2014. https://repositorio.ufjf.br/jspui/handle/ufjf/4910.

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Submitted by Renata Lopes (renatasil82@gmail.com) on 2017-06-08T20:19:50Z No. of bitstreams: 1 geraldohenriquessilva.pdf: 20536600 bytes, checksum: 9b626b89b88c550fa0fff1dcca169621 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-06-26T20:29:26Z (GMT) No. of bitstreams: 1 geraldohenriquessilva.pdf: 20536600 bytes, checksum: 9b626b89b88c550fa0fff1dcca169621 (MD5)<br>Made available in DSpace on 2017-06-26T20:29:26Z (GMT). No. of bitstreams: 1 geraldohenriquessilva.pdf: 20536600 bytes, checksum: 9b626b89b88c550fa0fff1dcca169621 (MD5) Previ
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Faraco, Thales Alves. "Estudo das propriedades térmicas, ópticas e estruturais de vidros fosfato de silício dopados com érbio e prata para aplicação em telecomunicação." Universidade Federal de Juiz de Fora (UFJF), 2015. https://repositorio.ufjf.br/jspui/handle/ufjf/6141.

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Submitted by Geandra Rodrigues (geandrar@gmail.com) on 2018-01-26T17:16:54Z No. of bitstreams: 1 thalesalvesfaraco.pdf: 2957993 bytes, checksum: bfe51ef9cf732341f404484ab0aaea79 (MD5)<br>Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2018-01-29T10:56:06Z (GMT) No. of bitstreams: 1 thalesalvesfaraco.pdf: 2957993 bytes, checksum: bfe51ef9cf732341f404484ab0aaea79 (MD5)<br>Made available in DSpace on 2018-01-29T10:56:06Z (GMT). No. of bitstreams: 1 thalesalvesfaraco.pdf: 2957993 bytes, checksum: bfe51ef9cf732341f404484ab0aaea79 (MD5) Previous issue date: 20
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Book chapters on the topic "Judd Oflet parameters"

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Dinerman, B. "Spectroscopy of Er3+:GGG and Calculation of the Judd-Ofelt Lifetime Parameters." In Optical Properties of Excited States in Solids. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3044-2_28.

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Dubey, Neha, Jagjeet Kaur, Vikas Dubey, and Manish Kumar Mishra. "Determination of Spectroscopic Parameters via Judd–Ofelt Analysis of Eu3+ Doped La2Zr2O7 Phosphor." In International Conference on Intelligent Computing and Smart Communication 2019. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0633-8_83.

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"Growth and characterization of TmF3 doped fluorite crystals." In Book of Abstracts - RAD 2025 Conference. RAD Centre, Niš, Serbia, 2025. https://doi.org/10.21175/rad.abstr.book.2025.16.9.

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Rare-earth-doped fluorite crystals are of significant interest due to their optical properties and wide-ranging applications, particularly in laser technology and scintilators. Among these materials, CaF2 and BaF2 crystals doped with TmF3 stand out for their versatile luminescent characteristics, positioning them as promising candidates for advanced optical applications. This study explores the luminescence of Tm³⁺ and Tm²⁺ ions in fluorite crystals grown in our Crystal Growth Laboratory using the vertical Bridgman method. A detailed Judd–Ofelt analysis was conducted on Tm³⁺-doped crystals to
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"Chapter 2 Reinterpreting the Judd–Ofelt parameters based on recent theoretical advances." In Luminescent Materials. De Gruyter, 2023. http://dx.doi.org/10.1515/9783110607871-002.

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Conference papers on the topic "Judd Oflet parameters"

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Hassan, Ameer Ali, Haider F. Hasheem, Ali J. Khalaf, and Kahtan A. Mohammed. "Studying the fluorescence and absorption parameters of Er: YAG laser using Judd-Oflet model." In 3RD INTERNATIONAL CONFERENCE ON MATHEMATICS, AI, INFORMATION AND COMMUNICATION TECHNOLOGIES: ICMAICT2023. AIP Publishing, 2025. https://doi.org/10.1063/5.0258527.

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Sardar, D. K., and R. C. Velarde-Montecinos. "Spectroscopic and laser properties of Nd3+ in CaF2 and YLF." In OSA Annual Meeting. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.mjj9.

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Optical absorption and emission intensities are investigated for trivalent neodymium ions in single crystals of CaF2 and YLF. Oscillator strengths for numerous transitions are measured from absorption spectra recorded at room temperature. Corresponding oscillator strengths are calculated by using the Judd–Ofelt theory and are compared with the measured values. A least-squares fitting of the measured and calculated line strengths of the absorption spectra yields the values of the phenomenological intensity (Judd–Ofelt) parameters Ω 2 , Ω4, and Ω6 for the chosen ionhost combinations. The Judd–Of
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Chacaliaza-Ricaldi, J., J. L. Clabel H., G. Lozano C., V. A. G. Rivera, and E. Marega. "Study of optical properties of zinc-tellurite glasses doped with Yb3+, Tm3+ and Er3+: Analysis of the influence of rare-earth ions doping on host matrix modification." In Latin America Optics and Photonics Conference. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/laop.2022.w4a.45.

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By means of UV-VIS absorption measurements to zinc-tellurite glasses doped with Yb, Tm and Er, we obtained the band gaps, Urbach energies, the polarizability values and the Judd-Ofelt parameters, which indicated an increase in the structural disorder in the host matrix.
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Choi, Ju H., Frank G. Shi, Alfred A. Margaryan, and Ashot Margaryan. "Spectral properties of Nd3+ion in new fluorophosphates glasses: Judd-Ofelt intensity parameters." In High-Power Lasers and Applications, edited by L. N. Durvasula. SPIE, 2003. http://dx.doi.org/10.1117/12.478306.

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Nanda, Kirti, R. S. Kundu, R. Punia, Sarita Sharma, and N. Kishore. "Judd-Ofelt intensity parameters of Nd3+ ions doped in BaO-ZnO-B2O3 glasses." In ADVANCES IN BASIC SCIENCE (ICABS 2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5122411.

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Lima, Ana Gabrielly Almeida de, Keyla Mirelly Nunes de Souza, Juliana Angeiras Batista da Silva, and Ricardo L. Longo. "MODELAGEM COMPUTACIONAL DE PROPRIEDADES LUMINESCENTES DEPENDENTES DA TEMPERATURA DE COMPLEXOS CONTENDO ÍONS TRIVALENTES DE LANTANÍDEOS." In VIII Simpósio de Estrutura Eletrônica e Dinâmica Molecular. Universidade de Brasília, 2020. http://dx.doi.org/10.21826/viiiseedmol20201590.

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Lanthanide-containing complexes have been extensively studied because of their structural diversity and wide applications as in luminescent, catalytic, and magnetic materials. Considering the emission intensities of Eu3+ ion and its spectral features, we propose to investigate the photophysical properties associated with luminescence thermometry of the [Eu(hfa)3(bpyO2)] and [Eu(bpyO2)4]3+ complexes, where hfa = hexafluoroacetilacetonate and bpyO2 = 2,2'-Bipyridine-N,N'-dioxide, to obtain the relation between the Judd-Ofelt parameters ΩJ (J = 2 and 4) and the temperature from structural changes
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Tanabe, S., T. Hanada, J. Kang, and N. Soga. "Yellow/blue Iuminescences of Dy3+ doped borate glasses and their anomalous temperature variations." In Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides. Optica Publishing Group, 1997. http://dx.doi.org/10.1364/bgppf.1997.jsue.22.

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Dysprosium-doped borate glasses were prepared and their physical properties, optical absorption and fluorescence characteristics were investigated. Among three Judd-Ofelt parameters, the O2 increased and the O6 decreased with an increasing Na2O content. The Branching ratio of blue/yellow emission from the 4F9/2 level increased and its lifetime decreased with Na2O content. The lifetime of the 4F9/2 level increased with increasing temperature, which is unusual for most rare earth levels. Moreover, the branching ratio of blue/yellow emissions also changed with temperature. These behaviors could b
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Krasteva, V. M., G. H. Sigel, S. L. Semjonov, and M. M. Bubnov. "Pr3+ and Dy3+-doped Ge-S-I glasses suitable for active fiber optic devices." In Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides. Optica Publishing Group, 1997. http://dx.doi.org/10.1364/bgppf.1997.jsue.25.

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Pr3+ and Dy3+-doped Ge-S-I glasses were synthesized and their optical properties studied for active photonic device applications, such as optical fiber amplifiers at 1.31 μm and mid-IR fiber lasers. Absorption and emission spectra in the near-IR, recorded in doped Ge-S-I samples, are very similar to these observed in Ge-Ga-S glasses. Judd-Ofelt analysis of Dy3+-doped Ge-S-I glasses was used to evaluate their radiative properties. The measured high quantum efficiencies of 1.31 μm transitions (82% for Pr3+-doped and 17% for Dy3+-doped Ge-S-I bulk glass samples) place them among the glass candida
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Allik, T. H., L. D. Merkle, and B. H. T. Chai. "Crystal growth, spectroscopy, and laser properties of Yb, Er, and Nd doped materials." In OSA Annual Meeting. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.mjj8.

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Recent results on new solid state laser materials that are pumpable with AlGa As and InGaAs laser diodes will be discussed. For laser applications near 1.06 μm, Nd-doped KYF4 boules (5 cm long by 2 cm diameter) have been grown by the top-seeded solution method with concentrations as high as 3% while maintaining excellent optical quality. The broad absorption spectra near 800 nm and the long (&gt;500 μs) fluorescence lifetime of the 4F3/2 laser state in this host are attractive features over both YAG and YLF for Q-switch applications. Polarized optical spectra, fluorescence lifetimes, Judd–Ofel
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de Rochemont, L. Pierre. "High-speed optical image processing with rare-earth-doped fluoride glasses." In OSA Annual Meeting. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.mi7.

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Stimulated photon echoes from optically active ions in glasses have long been used to study effects related to the molecular dynamics of the host medium in the immediate vicinity of the active site. Recently, photon echoes have been suggested for use in high speed optical circuitry and in optical memory storage. This technology offers unique systems potential because it permits analog spatial information to be processed at digital-gate intervals. Because active ions can be incorporated into the matrix of a glass in higher concentrations than they can be doped into the lattice of a crystal, amo
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