Academic literature on the topic 'I10 Index'
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Journal articles on the topic "I10 Index"
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NDIAYE, Mansoum, and Mouhamadou FALL. "The determinants of the economic and financial situation of the public health establishments in Senegal." Revue d’Economie Théorique et Appliquée 9, no. 1 (2019): 71–86. https://doi.org/10.62519/reta.v9n1a5.
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Abstract: This paper investigates the economic and financial situation of the public health establishments in Senegal and aims to identify the determinants of the hospital operating deficit. We use a panel data (hospital-year) for a sample of public hospitals from 2007 to 2011. The results underline the significant influence of the global budget and the organizational factors (average bed occupancy rate, average length of stay and bed rotation index) on the operating deficit of public health establishments. We propose then the main lines of a reform of the financing of public hospitals. In occurrence an efficient financing should be based on hospital activity, not on global budget policy. Keywords: Health, Hospital, Global budget policy, Senegal. JEL Classification: I10 - I18 - I19. Les déterminants de la situation économique et financière des établissements publics de santé au Sénégal Résumé : Cet article analyse la situation économique et financière des établissements publics de santé au Sénégal, et cherche à identifier les déterminants de leur déficit d’exploitation. Nous utilisons des données de panel (hôpital-année) pour un échantillon d’hôpitaux publics sur la période de 2007 à 2011. Les résultats indiquent l’influence significative de la dotation globale et des facteurs organisationnels (taux d’occupation moyen des lits, durée moyenne de séjour et indice de rotation des lits), sur le déficit d’exploitation des hôpitaux publics. Nous proposons ensuite les grandes lignes d’une réforme du financement des hôpitaux publics. En l’occurrence un financement efficient devrait être basé sur l’activité de l’hôpital, et non sur la politique de budget global. Mots-clés : Santé, Hôpital, Budget global, Sénégal. Codes JEL : I10 - I18 - I19.
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M., Bharathi, and Aditya Sai Srinivas T. "In the Footsteps of Giants: Navigating the World of Citation Indices." Recent Trends in Information Technology and its Application 7, no. 3 (2024): 9–17. https://doi.org/10.5281/zenodo.10951961.
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<em>This paper explores the intricacies of scholarly impact measurement through citation indices, focusing on the widely used H-index and i10 index. Delving into the world of academic metrics, it elucidates how these indices gauge the influence and productivity of researchers. The discussion encompasses the H-index's nuanced evaluation of publications with a specified citation threshold and the i10 index's straightforward count of papers surpassing 10 citations. Emphasizing the significance of these metrics in academia, the abstract guides researchers in understanding and leveraging them effectively. Whether decoding the meaning behind the numbers or navigating platforms like Google Scholar and Scopus for self-assessment, this exploration aims to empower scholars to comprehend and enhance their scholarly impact.</em>
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Nolasco, Barreto Marcelo, and Nunes Cláudio Pinto. "Sobre métricas e indexação: algumas aproximações da Revista Práxis Educacional no Google Acadêmico." Revista Práticas Educativas, Memórias e Oralidades 3, no. 1 (2020): e314418. https://doi.org/10.47149/pemo.v3i1.4418.
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O presente artigo tem como objetivo apresentar a atual composição dos índices H e i10 da Revista Práxis Educacional em seu perfil no Google Acadêmico, bem como também algumas análises resultantes da triangulação de dados advindos dos artigos atribuídos com índice-i10, no período analisado entre 2015 a 2019. Para tanto fora realizado um estudo de caso, utilizando-se uma análise quantitativa a partir dos dados extraídos do perfil da revista, om base em pesquisa das métricas e do estudo comparativo da bibliografia examinada. Os resultados encontrados apontam avanços quanto o incremento desses índices, bem como permitem a implementação de melhores estratégias quanto o acompanhamento e a evolução dos artigos publicados na revista.
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Sangeeta, Namdev Dhamdhere. "Cumulative citations index, h-index and i10-index (research metrics) of an educational institute: A case study." International Journal of Library and Information Science 10, no. 1 (2018): 1–9. http://dx.doi.org/10.5897/ijlis2017.0797.
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Endrawati, Teti. "PETA POTENSI PERPUSTAKAAN LINGKUP PUSAT RISET PERIKANAN." Jurnal Pari 4, no. 2 (2019): 45. http://dx.doi.org/10.15578/jp.v4i2.7865.
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Peta potensi pada lingkup perpustakaan Pusat Riset Perikanan dalam penelitian ini sebatassumberdaya manusia perpustakaan, lokal konten yang dimiliki, dan peringkat lokal konten dalamgoogle scholar, hasil penelitian menunjukkan dari 13 satuan kerja Pusrikan terdapat 19 orangsumberdaya perpustakaan yang terdiri dari 11 orang sudah menjadi pustakawan dan 8 orangbelum menjadi pustakawan (pengelola perpustakaan) hal ini salah satunya dikarenakan masihragu dan belum siapnya mereka menjadi pustakawan sedangkan untuk potensi lokal kontenpusriskan terdiri 12 judul lokal konten yang terdri dari 6 judul dan yang belum 6 judul lagi belumterakreditasi dikarenakan tulisan pada lokal konten tesebut belum ilmiah, sedangkan untukperingkat google scholar kutipan terbanyak adalah Jurnal Penelitian Perikanan Indonesia sebanyak1240 kutipan, Indeks–h 8, dan Indeks-i10 8. Adapun kutipan terendah pada Jurnal KebijakanPerikanan Indonesia dengan 58 kutipan indeks-h 3, Indeks-i10 1. Untuk mengatasi kendalakekurangan peta potensi tersebut dilakukan solusi: 1) untuk SDM pustakawan perlu adanya motivasiseperti mensosialisakan keuntungan menjadi pustakawan 2)untuk akreditasi lokal konten dapatmeningkatkan kualitas tulisan lebih ilmiah sehingga dapat memenuhi substansi yang disyaratkanoleh LIPI. Lokal konten yang terakreditasi tentunya dapat meningkatkan kutipan, indeks-h danIndeks-i 10 sehingga dapat meningkatkan peringkat pada google scholar.Library Potential Map of KP Fisheries Research Center is limited to library human resources, itslocal content, and local content rating in Google Schoral, the research result shows from 13Pusrikan working unit there are 19 library resources which consist of 11 people who have becomelibrarians and 8 people who haven’t (library administrators) the reason behind this is because theyare still hesitant and not ready to be librarians, on the other hand for local content potential Pusriskanconsist of 12 local content titles which consist of 6 titles and the other 6 are not yet credited due tothose local contents are not scientific. Meanwhile, for the rank of Google scholar the most quotationis Jurnal Penelitian Perikanan Indonesia as many as 1240 quotations, -h8 index, and –i10 8 index.Jurnal Kebijakan Perikanan Indonesia got the lowest rank in Google Svholar with 58 quotations -h3 index, -i10 1 index. The solutions to overcome the problem of potential map shortage are: 1) Itis important to socialize the benefit of becoming librarian to library human resource as motivation.2) it is important to make the quality of credited local content more scientific so it can be approvedby LIPI. Credited local content surely increase the quotation, -h index and –I 10 index, therefore theGoogle Scholar rating will increase, too.
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Taylor, Douglas R., Garrett T. Venable, G. Morgan Jones, et al. "Five-year institutional bibliometric profiles for 103 US neurosurgical residency programs." Journal of Neurosurgery 123, no. 3 (2015): 547–60. http://dx.doi.org/10.3171/2014.10.jns141025.
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OBJECT Various bibliometric indices based on the citations accumulated by scholarly articles, including the h-index, g-index, e-index, and Google’s i10-index, may be used to evaluate academic productivity in neurological surgery. The present article provides a comprehensive assessment of recent academic publishing output from 103 US neurosurgical residency programs and investigates intradepartmental publishing equality among faculty members. METHODS Each institution was considered a single entity, with the 5-year academic yield of every neurosurgical faculty member compiled to compute the following indices: ih(5), cumulative h, ig(5), ie(5), and i10(5) (based on publications and citations from 2009 through 2013). Intradepartmental comparison of productivity among faculty members yielded Gini coefficients for publications and citations. National and regional comparisons, institutional rankings, and intradepartmental publishing equality measures are presented. RESULTS The median numbers of departmental faculty, total publications and citations, ih(5), summed h, ig(5), ie(5), i10(5), and Gini coefficients for publications and citations were 13, 82, 716, 12, 144, 23, 16, 17, 0.57, and 0.71, respectively. The top 5 most academically productive neurosurgical programs based on ih(5)-index were University of California, San Francisco, University of California, Los Angeles, University of Pittsburgh, Brigham & Women’s Hospital, and Johns Hopkins University. The Western US region was most academically productive and displayed greater intradepartmental publishing equality (median ih[5]-index = 18, median Ginipub = 0.56). In all regions, large departments with relative intradepartmental publishing equality tend to be the most academically productive. Multivariable logistic regression analysis identified the ih(5)-index as the only independent predictor of intradepartmental publishing equality (Ginipub ≤ 0.5 [OR 1.20, 95% CI 1.20–1.40, p = 0.03]). CONCLUSIONS The ih(5)-index is a novel, simple, and intuitive metric capable of accurately comparing the recent scholarly efforts of neurosurgical programs and accurately predicting intradepartmental publication equality. The ih(5)-index is relatively insensitive to factors such as isolated highly productive and/or no longer academically active senior faculty, which tend to distort other bibliometric indices and mask the accurate identification of currently productive academic environments. Institutional ranking by ih(5)-index may provide information of use to faculty and trainee applicants, research funding institutions, program leaders, and other stakeholders.
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Kumar, Umesh, and Madhusudan Margam. "Enhancing Research Visibility: Analyzing Anesthesia Faculty at AIIMS, New Delhi, on Google Scholar." TULSSAA Journal 12, no. 1 (2025): 19–35. https://doi.org/10.3126/tulssaa.v12i1.77248.
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Research visibility is crucial in enhancing a researcher's academic recognition, accessibility, and impact. This study examines the research productivity and scholarly influence of faculty members in the Anesthesia Department at AIIMS, New Delhi, using Google Scholar metrics, including total publications, citation count, h-index, and i10-index. Among the 48 faculty members, only 27 have a Google Scholar profile, and just 12 have integrated a verified email ID, indicating limited adoption of the platform for academic visibility. The analysis of scholarly output reveals that Associate Professor Dr Anju Gupta has the highest number of publications (532). At the same time, Additional Professor Dr Souvik Maitra leads in citations (5,969), h-index (33), and i10-index (66), reflecting a strong research influence. Mid-career faculty members, particularly additional and associate professors, demonstrate higher engagement in research, while senior professors appear to focus more on mentorship and administrative responsibilities. The study also highlights gender representation in research, with female faculty members making substantial contributions. The findings emphasize the need for increased institutional support and awareness regarding the benefits of Google Scholar to enhance research visibility, foster collaboration, and strengthen the department's academic impact.
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Kumar Singh, Dr Vinay Kumar Singh. "Comparative Evaluation of Academic Quality in Life Sciences: Hirsch's Rule (H-Index) and i10-Index." International Journal of Science, Engineering and Technology 12, no. 6 (2024): 1–7. https://doi.org/10.61463/ijset.vol.12.issue6.399.
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Kaliyadan, Feroze, and Karalikkattil T. Ashique. "Citation indices." Journal of Skin and Sexually Transmitted Diseases 2 (April 17, 2020): 2–4. http://dx.doi.org/10.25259/jsstd_7_2020.
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Impact of research is generally measured through citation counts. For author impact, the most common impact indices considered are the h-index, i10-index, and the g-index, of which the h-index is the most commonly used. There are various resources available for retrieving researcher h-indices. The most common databases used for the same are Scopus, Google Scholar, and “Web of Science.” Ethical issues related to the use of these resources for h-index calculation include – gaming/manipulation and fake citations. An issue which we have noticed cropping up of late, is researchers claiming erroneous h-indices.
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Saginbaev, U., S. Rukavishnikova, T. Akhmedov, O. Kovalenko, E. Nichik, and E. Shostak. "PECULIARITIES OF BLOOD CELL COMPOSITION DEPENDING ON THE SEQUENCE OF MANIFESTATION OF A NUMBER OF DISEASES." Vrach 35, no. 6 (2024): 73–76. http://dx.doi.org/10.29296/25877305-2024-08-15.
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Aging is a process affecting various organ and tissue systems. The development of age-related changes occurs at the molecular, genetic, cellular, organ and organizational levels. At the population level, accelerated aging can manifest itself as an unfavorable upward dynamics of the incidence of age-associated diseases, an early manifestation of pathology. Рurpose. To study the features of the cellular composition of the blood depending on the sequence of manifestation of a number of diseases. Materials and methods. Statistical collections for 2015–2019 acted as materials, clinical blood test (cellular composition of blood) of 17 957 patients hospitalized in Saint-Petersburg City Hospital No 2 from 01.01.2015 to 31.12.2019 with the following diagnoses (ICD-10 codes) is also analyzed: E05, E10, E11, G20, H25, H40, I10, I10–I15, I20, M80–M81, N20–N23. Results. The analysis established a significant correlation with the priority of disease manifestation for only two indicators: lymphocyte count (r=-0.675; p=0.022) and red blood cells (r=-0.639; p=0.033). Correlation analysis demonstrated a significant association between age-specific incidence index (ASII) and absolute lymphocyte and erythrocyte counts. The sequence of manifestation of the considered diseases, compiled on the basis of ASII ranking, is closely related to the age characteristics of the cellular composition of the blood. Conclusion. Thus, features of the cellular composition of the blood were found depending on the manifestation of diseases. The identified patterns corresponding to age-related changes will allow the development of new approaches in the study of the pathophysiological gerontological continuum.
Dissertations / Theses on the topic "I10 Index"
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Lopes, Paula Cristina Loureiro. "Qualidade de vida em saúde : evidência para Portugal." Master's thesis, 2013. http://hdl.handle.net/10071/6984.
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O conceito de qualidade de vida é amplo e complexo. A qualidade de vida em saúde corresponde a uma área específica da qualidade de vida e encontra-se ligada às perceções dos indivíduos face a alterações provocadas pela doença. Torna-se assim cada vez mais importante a avaliação da qualidade de vida para a determinação das necessidades em saúde.
Os instrumentos de medida são desenvolvidos para as mais variadas finalidades permitindo obter indicadores que possibilitam a avaliação das intervenções realizadas e o planeamento de futuras intervenções a nível da saúde. O Inquérito Nacional de Saúde é o instrumento usado para obter informação sobre o estado de saúde da população portuguesa.
Com este estudo pretende-se definir e analisar os fatores que determinam e condicionam a qualidade de vida relacionada com a saúde. Para tal recorreu-se à informação obtida pelo 4º Inquérito Nacional de Saúde. Após uma análise e seleção das questões contidas no inquérito, foram definidos indicadores e foi desenvolvido e estruturado um Índice de Qualidade de Vida em Saúde, numa escala de 0 a 100, o qual foi aplicado a uma determinada amostra previamente estabelecida.
A análise dos resultados evidencia a influência de indicadores sócio económicos e sócio demográficos na qualidade de vida em saúde das populações. Deste modo verifica-se que a localização geográfica, o género, a idade, os anos de escolaridade, a situação civil e conjugal, a ocupação e as horas de trabalho semanal, são variáveis diferenciadoras e que influenciam a avaliação da qualidade de vida em saúde de cada indivíduo.<br>Quality of life is a broad and complex concept. The quality of life in health corresponds to a specific area of quality of life and is connected to the perceptions of individuals to changes caused by the disease. Thus becomes increasingly important to evaluate the quality of life for the determination of health needs.
The measurement instruments are developed for varied purposes allowing us to obtain indicators that enable the evaluation of interventions and the planning of future interventions at a health level. The National Health Survey is the instrument used to obtain information on the health status of its population.
This study aims to define and analyze the factors that determine and affect the quality of life related to health. For this we used the information obtained by the 4th National Health Survey. After an analysis and selection of the questions contained in the survey, indicators were defined and it was structured and developed an Index of Quality in Health, on a scale of 0 to 100, which was applied to a given sample previously determined.
The analysis shows the influence of socio demographic and socio economic quality of life on health populations. Thus it appears that the geographical location, gender, age, years of schooling, marital status and marital occupation and hours worked per week, are differentiating variables that have influence on the assessment of quality of life in health of each individual.
Book chapters on the topic "I10 Index"
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Oliveira, Nuno Ricardo. "Smart Communities." In Open and Social Learning in Impact Communities and Smart Territories. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-5867-5.ch003.
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This chapter presents the ways in which researchers can promote their publications through academic social networks. In the academic world, the visibility of the scientific activity and the impact factor of the publications are extremely important, a challenging and difficult reality that researchers face when they start academic writing. In order to have greater visibility and notoriety in the academic and scientific world, it is necessary to have publications in journals with impact factor. Sharing publications through academic social networks also contributes to a wider recognition and visibility as a researcher. In a society where researchers are dismayed by the need for publications with impact factor, it is important to highlight the concern for an efficient use of academic social networks. Sharing articles through these networks will result in larger visibility of the scientific work of the researcher, projection of his or her scientific writing, and in a higher possibility of being cited by peers, thus enabling an h-index or i10.
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"Index." In Instrument Engineers' Handbook, Fourth Edition, Volume Two. CRC Press, 2005. http://dx.doi.org/10.1201/9781420064001-i1.
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"Index." In Instrument Engineers' Handbook, Third Edition, Volume Three. CRC Press, 2002. http://dx.doi.org/10.1201/9781420064018-i1.
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"Index." In Instrument Engineers' Handbook, Fourth Edition, Volume One. CRC Press, 2003. http://dx.doi.org/10.1201/9781420064025-i1.
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"Index." In IS0 9001 Registration for Small and Medium-Sized Software Enterprises. McGill-Queen's University Press, 1995. http://dx.doi.org/10.1515/9780773573970-009.
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Tóth, Zsuzsanna, Zsolt István Törcsvári, and Judit Lovasné Avató. "A hallgatói motiváció és motiválhatóság alakulása a BGE FOSZK nappali tagozatos hallgatói esetében." In Pedagógiai perspektívák: Új megközelítések és tradicionális értékek a pedagógiában : Ünnepi tanulmánykötet Farkas Julianna tiszteletére. Budapesti Gazdasági Egyetem, 2025. https://doi.org/10.29180/978-615-6886-08-8_1.
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A kereskedelem-marketing, illetve turizmus-vendéglátás szakos felsőoktatási szakképzésben résztvevő hallgatókról az az oktatói vélemény fogalmazódott meg, hogy egyre nehezebb őket eljuttatni az elvárt tudásszintre, készségeiket fejleszteni. Magatartásukban a fokozódó stressz és bizonytalanság jelei növekvő mértékben nyilvánultak meg. A hallgatói attitűdre, tanulás iránti érdeklődésükre, céljaik, esetleges félelmeik megismerése és a tárgyteljesítésük megkönnyítésére, motivációjuk erősítésére 2021-ben, 2022-ben és 2024 tavaszán a Vallerand-féle (1989) motivációs kérdőívet alkalmaztuk. A válaszok alapján meghatározott mutatószámok – Self-Determination Index, átlagos intrinzik (I1, I2, I3), átlagos extrinzik (E1, E2, E3) motivációs indexek – igazolták az oktatói tapasztalatokat. A megismerés öröméért való tanulás (I1), a teljesítményösztönzés (I2) és a kíváncsiság (I3) hatása csökken. Szignifikánsnak bizonyult a hasznos/használható tudás megszerzésének lehetősége (E1), a negatív érzések elkerülésének (E2) és a jutalom megszerzésének/büntetés elkerülésének (E2) fontossága csökken.
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Mahesh, T. R. "Exploring the Role of Big Data in Predictive Analytics." In Demystifying Emerging Trends in Machine Learning. BENTHAM SCIENCE PUBLISHERS, 2025. https://doi.org/10.2174/9789815305395125020050.
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Cardiovascular illness is afflicting enormous monetary and psychological costs. The development of an ASHRO-based model for forecasting healthcare resource use and its link with clinical outcomes was driven by a desire to improve the economy and provide a high-quality evaluation of the healthcare system. Data included in this analysis were taken from a big database that included doctor visits, insurance claims across several years, and results of preventive health screenings. Hospitalized patients with heart illness (ICD-10 I00-I99) comprised the study population. Broadly defined composites compliance served as the explanatory variable, while medical as well as long-term care costs served as the objective variable. Using a combination of random forest learning (AI) and multiple regression analysis, predictive models were calibrated. These models were then used to create ASHRO scores. Two measures, the area under the curve as well as the Hosmer-Lemeshow test, were used to assess the prediction model's effectiveness. After controlling for clinical risk variables, we compared the two ASHRO 50% threshold groups' total morbidity at 48 months of follow-up using matching propensity scores. Heart disease affected 61.9% of the 48,456 patients surveyed, with an average age of 68.3 9.9 years at hospital release. For the purpose of adherence score classification, machine learning was employed to combine eight factors into a single index: generic drug rate, interconnecting outpatient visits/clinical laboratory as well as physiological tests, the proportion of days addressed, secondary mitigation, rehabilitation magnitude, direction, and a single index that adjusted for eight factors. In the end, the multiple regression study yielded a 0.313 (p 0.001) coefficient of determination. Medical as well as long-term care expenditures had a statistically significant total coefficient of determination (p 0.001) in a logistic regression study using 50% along with 25%/75% cut-off values. At the 50% level of significance (2% vs. 7%; p 0.001), the relationship between ASHRO score and mortality rate was statistically significant.
Conference papers on the topic "I10 Index"
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Rajbenbach, H., A. Delboulbé, and J. P. Huignard. "Noise-free Photorefractive Image Amplifiers." In Photorefractive Materials, Effects, and Devices II. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/pmed.1990.j1.
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When a weak optical signal is injected in a photorefractive crystal illuminated with a strong pump beam, it experiences gain via a two-wave mixing process.(1) A problem common to these amplifiers is the presence of noise sources that corrupt the quality of the emerging amplified optical signal. We propose and experimentally demonstrate the first technique, to our knowledge, capable of very significantly reducing the optical noise while maintaining high gain coefficients. Consider two-wave mixing in a slowly rotating crystal. First, we estimate the influence of a crystal rotation (angular velocity Ω around the point O) on the noise intensity in the output plane (Fig. 1a). A noise source located around point A radiates a complex wavefront whose component along the direction of the injected signal is represented by a plane wave of intensity IN (A is a crystal imperfection or interface). It is essential to note that the noise sources are bounded to the crystal and will consequently move with it. This is the basis for the process of discrimination between the noise gratings and the injected signal grating. In the Ox coordinate bounded to the rotating crystal, the interference pattern responsible for the formation of a noise grating around the point A is given by: IN(x,t) = I0 [1 + mN cos KN(t)x], where KN(t) ~ 2π(θ + Ωt)/λ is the time-dependent grating wave vector (we have assumed that the angles inside the crystal are small), I0 is the total incident intensity (I0 ~ IP0), θ is the angle between the beams inside the crystal, λ = λ0/n is the optical wavelength in the crystal with refractive index n, and mN is the fringe modulation.
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Hill, Reginald J. "Two Scintillation Methods of Measuring the Inner Scale." In Laser and Optical Remote Sensing: Instrumentation and Techniques. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/lors.1987.tuc16.
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Let σ2 (L, k, Cn2, ℓo) be the irradiance variance of a monochromatic spherical wave of wavelength λ and wavenumber k = 2π/λ after propagating along a path of length L. The turbulence is assumed isotropic with refractive-index structure constant Cn2 and inner scale ℓo. Similarly let σ122(L, k1, k2, Cn2, ℓo) be the irradiance correlation, <(I1-<I1>) (I2-<I2>)>/<I1><I2> for iradiances I1 and I2 from spherical waves of wavelengths λ1, and λ2. Let σLA2(L, D, Cn2, ℓo) be the irradiance variance of radiation propagating along the same path and transmitted through a circular, uniformly-illuminated, phase-incoherent aperture of diameter D and measured using a receiving aperture of diameter D. It is assumed that D exceeds two Fresnel-zone sizes so σLA2 is approximately independent of the optical wavenumber.
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Andrews, Larry C., and Ronald L. Phillips. "Relating the parameters of the I-K distribution to strength of turbulence parameters." In OSA Annual Meeting. Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.fs3.
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In weak scattering regimes the I-K distribution1,2 is consistent wth the assumptions of the Born approximation coupled with the further assumption of a compound or doubly stochastic field of the electromagnetic wave. Based on a pure power-law Kolmogorov spectrum and well-known results from the Born approximation for plane waves propagating through a turbulent medium, a relationship is established between the two parameters α and ρ of the I-K distribution and the strength of turbulence parameter σ 1 2 = 1.23 C n 2 k 7 / 6 L 11 / 6 , where C n 2 is the refractive-index structure parameter, k is the wavenumber of the electromagnetic wave, and L is the propagation path length. A second independent relation for α in terms of σ 1 2 is developed by using relations from the asymptotic theory for strong turbulence regimes. Combining these results, we obtain expressions for α and ρ that appear to be valid for all conditions of turbulence. By generalizing the power spectral density of the refractive index to include the effects of the inner scale of turbulence I0, we then develop new expressions for α and ρ that also depend on I0. The normalized variance of the irradiance σ I 2 as predicted by the I-K distribution is calculated as a function of σ 1 2 and I0. Comparisons of σ I 2 with that of plane wave data show a very good fit when inner scale corrections are introduced. Further comparisons of the normalized irradiance moments of the I-K distribution with experimental data obtained by propagating a collimated laser beam through a phase screen also show a remarkably good fit.
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Haggans, C. W., H. Singh, W. F. Varner, and J. S. Wang. "Analysis of Narrow Depressed-Cladding Fibers for Minimization of Cladding and Radiation Mode Losses in Fiber Bragg Gratings." In Bragg Gratings, Photosensitivity, and Poling in Glass Fibers and Waveguides. Optica Publishing Group, 1997. http://dx.doi.org/10.1364/bgppf.1997.bmg.11.
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Undesirable losses in highly reflective fiber Bragg gratings due to coupling to bound cladding modes or lossy radiation modes are well documented1-5. Several approaches have been proposed for reducing this coupling, including high LP01 mode confinement fibers (high numerical aperture single-mode fibers6 and two-mode fibers7), fibers with equally photosensitive core and cladding regions8, and, recently, fibers with wide depressed cladding regions5. However, the solution detailed by Komukai, et al.6 is undesirable due to mode-field mismatch losses when splicing to conventional single-mode telecommunication fibers operated at 1550 nm (e.g, Corning SMF-28) and the solution of Okude, et al.7 requires advanced fabrication techniques. Additionally, while the solutions detailed by Dong, et al.5 and Delevaque, et al.8 reduce cladding mode losses for gratings with no variation of the photoinduced index transverse to the fiber axis, it is well known that strong asymmetries in the transverse photoinduced index profile can occur in Type I9 and Type II10 gratings due to the sidewriting process. In fact, elaborate writing schemes have been proposed to reduce this asymmetry11-12. Additionally, in practice, small tilts of the grating fringe planes can be introduced during fabrication due to mask-fiber misalignment. It is demonstrated in this paper that the solutions detailed by Dong, et al.5 and Delevaque, et al.8 are not optimum for azimuthally asymmetric transverse photoinduced index distributions, and a new narrow depressed cladding fiber design that has superior loss suppression characteristics for moderate grating asymmetries is presented.
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Notni, G., and R. Kowarschik. "Image-degradation in a two-wave mixing spatial-light modulator." In Photorefractive Materials, Effects, and Devices II. Optica Publishing Group, 1991. http://dx.doi.org/10.1364/pmed.1991.mb7.
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Optical real-time image processing by spatial light modulators (SLM’s) that utilize photorefractive crystals has attracted much attention /1/. The two-wave mixing SLM is based on the selective spatial erasure of the uniform phase volume hologram created by the two plane coherent beams using an incoherent image bearing beam Iinc(r→) resulting in an additional spatial modulation of the refractive index distribution I1(r→) (commonly with a greater spatial period then the grating period of the hologram). The parameters of these Bragg-type SLM’s are strongly determined by the diffraction properties of the nonuniform volume gratings and are analyzed here by means of the two-wave mixing coupled-wave formalism in it’s two-dimensional description /2/.
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Law, C. T., and A. E. Kaplan. "Instability of dispersive counterpropagating waves in a Kerr nonlinear medium." In OSA Annual Meeting. Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.wm4.
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The temporal instability of counterpropagating beams in a Kerr nonlinear medium due to relaxation is well exploited.1 We demonstrate that another even more fundamental physical parameter, linear dispersion, can lead to instability. We investigate instability in the simplest eigenarrangement2 with the polarization of two counterpropagating beams being linear and parallel to each other. The dynamic equations for forward and backward propagating envelopes E1(z, t) and E2(z, t) are i [ ( − 1 ) j − 1 ∂ E j / ∂ z + v g − 1 ∂ E j / ∂ t ] − μ ∂ 2 E j / 2 ∂ t 2 = − χ 2 k 0 ( 2 I 3 − j + I j ) E j / 2 , where j = 1, 2 and I j = |E j |2 is the intensity of the respective wave, μ = ∂2k/∂ω2 is a linear dispersion parameter, χ2 is third-order susceptibility giving rise to nonlinear refractive index, and v g is the (linear) group velocity. For large dispersion, unstable modes with lowest frequencies are excited first. The threshold intensity I required to excite these unstable modes diminishes as dispersion increases. In the case of I1 = I2= I and sufficiently large parameter p = χ2k0/L/2, this threshold intensity I is determined by p ≃ log ( μ v g 2 / 2 L ) , where L is the total length of the nonlinear medium. More modes are excited when the intensity exceeds this threshold, and their combinations may yield chaotic behavior. The mechanism of the resulting instability can be explained in terms of positive distributed feedback provided by the nonlinear index grating in the situation that the phase speed of small perturbations with slightly different frequencies is altered by linear dispersion.
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Tejada, A., S. Braunger, L. Kegelmann, et al. "Determination of the complex refractive index, optical bandgap and Urbach energy of CH3NH3PbI3 and FA1−yCsyPb(I1−xBrx)3 perovskite thin films." In Latin America Optics and Photonics Conference. OSA, 2018. http://dx.doi.org/10.1364/laop.2018.tu4a.34.
Full textReports on the topic "I10 Index"
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Bhutiani, Rakesh. Decoding Academic Impact: Citation Metrics and Journal Quartile Systems (A Comprehensive Guide 2025). Rakesh Bhutiani, 2025. https://doi.org/10.36953/rbb.8062025.
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With respect to academics, publishing an article is not simply coming up with new knowledge it is ensuring that it is recognized, evaluated, and cited appropriately. This is why different citation metrics and journals ranking systems have been developed. There are tools available for measuring the impact as well as the visibility of a researcher’s work, and these tools are known as citation metrics. As a graduate student or even a newly minted Ph.D. or an established scholar, the metrics are essential to garner funding, institutional standings, and career advancements. In this blog, we will explain the numerous citation metrics as well as their calculations and significance, which include the more prominent indexing and citation databases like Web of Science and Scopus, as well as their research metrics: Impact Factor, SNIP, SJR, IPP, CiteScore, h-index, g-index, i10-index, altmetrics, and so on. Also, journal quartiles and their effect on the perception of quality and credibility will be discussed in detail.