Optics and Spectroscopy最新文献_第9页

Simulation of the Two-Photon Young’s Experiment within the Framework of the Photon Quantum Mechanics and in the Quasi-Classical Approach in the Electric-Dipole Approximation 在光子量子力学和电偶极子近似的准经典方法框架内模拟双光子杨氏实验

IF 0.8 4区物理与天体物理

Optics and Spectroscopy Pub Date : 2024-05-02 DOI: 10.1134/S0030400X24700152

A. P. Davydov, T. P. Zlydneva

引用次数: 0

On the Methodology of the Quantitative Analysis of Fe–Cr–Mn–Mo–N–C Steels Reinforced with Oxide and Nitride Particles Using an Energy Dispersive X-Ray Fluorescence Spectrometer BRA-135F 使用 BRA-135F 型能量色散 X 射线荧光光谱仪定量分析用氧化物和氮化物颗粒强化的 Fe-Cr-Mn-Mo-N-C 钢的方法论

IF 0.8 4区物理与天体物理

Optics and Spectroscopy Pub Date : 2024-05-02 DOI: 10.1134/S0030400X24700127

M. S. Konovalov, V. I. Lad’yanov, M. I. Mokrushina

{"title":"On the Methodology of the Quantitative Analysis of Fe–Cr–Mn–Mo–N–C Steels Reinforced with Oxide and Nitride Particles Using an Energy Dispersive X-Ray Fluorescence Spectrometer BRA-135F","authors":"M. S. Konovalov, V. I. Lad’yanov, M. I. Mokrushina","doi":"10.1134/S0030400X24700127","DOIUrl":"10.1134/S0030400X24700127","url":null,"abstract":"A quantitative analysis technique has been developed, based on multiple regression of Fe–Cr–Mn–Mo–N–C composite steels reinforced with oxide and nitride particles using a BRA-135F spectrometer, to determine the concentrations of chromium, manganese, molybdenum, aluminum, and iron. The problem of the selection of peaks for the analysis at a total content of chromium (11.50–15.03 wt %), manganese (7.56–12.18 wt %), and iron (66.54–74.08 wt %) is considered. Optimal lines of the spectra of the steels under study are proposed to obtain satisfactory results in qualitative analysis with account for the peak overlap. It is shown that due to the overlap of the peaks, chromium should be determined by the peak relating to the CrKα line; manganese, by the peak relating to the MnKα line; and iron, by the peak relating to the FeKβ line. An approach to selecting peaks to determine molybdenum concentrations is described. It has been found that due to the absence of a reliable separation of the peaks relating to the MoKβ1 and MoKβ2.5 lines, the molybdenum content should be determined by the peak relating to the line MoKα. The ingots used as calibration samples were preliminary chemically analyzed to determine the content of metals on an atomic emission spectrometer with the inductively coupled plasma Spectroflame Modula S, which provides high stability and reproducibility of the analysis results in a wide concentration range of elements, including those with a low limit of d-etection. The analysis for determining the concentrations of nitrogen and oxygen in the calibration samples was performed using a METAVAK-VAK analyzer, and the carbon content was determined on a METAVAK CS-30 analyzer.","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"131 12","pages":"1200 - 1208"},"PeriodicalIF":0.8,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140882863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation of the Extraordinary Phase Transition in Antiferromagnetic Thin Films: Computer Simulation 研究反铁磁性薄膜中的非凡相变：计算机模拟

IF 0.8 4区物理与天体物理

Optics and Spectroscopy Pub Date : 2024-05-02 DOI: 10.1134/S0030400X24700243

S. V. Belim, E. V. Bogdanova

引用次数: 0

The Influence of Surface Roughness on Photonic-Nanojet Parameters of Dielectric Microspheres 表面粗糙度对介质微球光子纳米射流参数的影响

IF 0.8 4区物理与天体物理

Optics and Spectroscopy Pub Date : 2024-04-10 DOI: 10.1134/S0030400X24700097

Yu. E. Geints, E. K. Panina

{"title":"The Influence of Surface Roughness on Photonic-Nanojet Parameters of Dielectric Microspheres","authors":"Yu. E. Geints, E. K. Panina","doi":"10.1134/S0030400X24700097","DOIUrl":"10.1134/S0030400X24700097","url":null,"abstract":"All naturally found and man-made solid microparticles have a rough surface. Upon optical radiation scattering from such particles, in addition to geometric shape, the surface texture becomes an important morphological factor of the scatterer that determines its optical properties. We present the results of numerical FDTD simulation of an optical-wave focusing by a dielectric microsphere with a randomly distributed surface roughness. The cases of azimuthally symmetric and asymmetric distortions of the particle surface are analyzed. It is demonstrated that the key parameters of the near-field focal region (intensity, longitudinal and transverse dimensions, focal distance) referred to as the photonic nanojet (PNJ) turn out to be sensitive to changes in the sphere-surface texture. In the process, two parameters, the peak intensity of the PNJ and its length, experience the largest changes. The influence of the optical contrast (the relative refractive index) of the microsphere that scatters radiation on PNJ characteristics is analyzed, and the possibility of reducing the influence of surface roughness on the quality of the near-field focusing by means of microsphere watering (water-uptake) is demonstrated.","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"131 11","pages":"1113 - 1121"},"PeriodicalIF":0.8,"publicationDate":"2024-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140561876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evaluation of Luminescent and Mesogenic Properties of Europium(III) Binuclear Complexes According to Quantum Chemical Calculations 根据量子化学计算评估铕（III）双核配合物的发光和介电性质

IF 0.8 4区物理与天体物理

Optics and Spectroscopy Pub Date : 2024-04-10 DOI: 10.1134/S0030400X24700103

K. A. Romanova, Yu. G. Galyametdinov

引用次数: 0

Formation of Photonic Nanojets by Two-Dimensional Microprisms 二维微棱镜形成光子纳米射流

IF 0.8 4区物理与天体物理

Optics and Spectroscopy Pub Date : 2024-04-10 DOI: 10.1134/S0030400X24700115

V. D. Zaitsev, S. S. Stafeev, V. V. Kotlyar

{"title":"Formation of Photonic Nanojets by Two-Dimensional Microprisms","authors":"V. D. Zaitsev, S. S. Stafeev, V. V. Kotlyar","doi":"10.1134/S0030400X24700115","DOIUrl":"10.1134/S0030400X24700115","url":null,"abstract":"The focusing of laser radiation with triangular dielectric prisms has been numerically studied using the finite element method implemented in the COMSOL Multiphysics software package. It has been shown that two-dimensional triangular prisms make it possible to focus light in free space into spots smaller than the scalar diffraction limit. For example, a quartz glass prism with a base width of 60 μm and a height of 28.5 μm illuminated by light with a wavelength of 4 μm produces a photonic nanojet with the maximum intensity that exceeds the incident radiation intensity by a factor of 6 and has a full width at half maximum of 0.38 of the focused radiation wavelength. The focal spot size can be decreased by selecting the height of the prism so as to the maximum intensity was located inside it. In particular, a barium titanate prism with a height of 21 μm and a base width of 60 μm forms a focal spot directly behind its apex with a width at half maximum equal to 0.25 of the focused radiation wavelength. It has been shown that the use of a prism weakens the wavelength dependence of the focal spot width as compared with the case of a microcylinder. In particular, for a quartz glass microcylinder 60 μm in diameter, a change in the wavelength from 3 to 5 μm leads to the spot width variation by 0.09 of the focused radiation wavelength, while for a prism, by 0.05 of the focused radiation wavelength on average.","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"131 11","pages":"1130 - 1136"},"PeriodicalIF":0.8,"publicationDate":"2024-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140562262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation of Parameters of Transparent Conducting Periodic Structures Manufactured by Laser Ablation 激光烧蚀制造透明导电周期结构的参数研究

IF 0.8 4区物理与天体物理

Optics and Spectroscopy Pub Date : 2024-04-01 DOI: 10.1134/S0030400X23060139

S. A. Ostrikov, P. A. Nosov, P. A. Mikhalev, M. O. Makeev, A. S. Provatorov, A. V. Korolkov

引用次数: 0

Determination of Individual and Average Characteristics of Native Blood Erythrocytes by the Static Spectral Digital Microscopy Method 用静态光谱数字显微镜方法确定原血红细胞的个体和平均特征

IF 0.8 4区物理与天体物理

Optics and Spectroscopy Pub Date : 2024-04-01 DOI: 10.1134/S0030400X23070044

V. A. Doubrovski, S. O. Torbin, I. V. Zabenkov

{"title":"Determination of Individual and Average Characteristics of Native Blood Erythrocytes by the Static Spectral Digital Microscopy Method","authors":"V. A. Doubrovski, S. O. Torbin, I. V. Zabenkov","doi":"10.1134/S0030400X23070044","DOIUrl":"10.1134/S0030400X23070044","url":null,"abstract":"The method of static (non-flow) spectral digital microscopy (SSDM) method to identify, to count and to determine the standard and individual characteristics of native blood erythrocytes is suggested. The object to study was the whole donor blood diluted by saline and placed into the counting Goryaev camber. Among the standard characteristics of erythrocytes, the following were determined: the concentration of erythrocytes in a blood sample RBC (Red Blood Cells concentration), the scatter of erythrocytes by volume RDW (Red cells Distribution Width), including RDW-SD and RDW-CV, hematocrit HCT, mean erythrocyte volume MCV (Mean Cell Volume). n addition, the possibility of measuring the average hemoglobin content in erythrocyte MCH (Mean Cell Hemoglobin), MCHC (Mean Corpuscular Hemoglobin Concentration), as well as the total content of hemoglobin HGB in the blood sample (Hemoglobin) was investigated. The peculiarity of SSCM method proposed lies in the fact that it fundamentally allows to determine not only the general hematological characteristics of blood samples (RBC, RDW-SD and RDW-CV, HGB), but also the mean values of the characteristics of native blood erythrocytes (MCV, MCH, MCHC), and also, and most importantly, the individual characteristics of each erythrocyte. The latter permitted the authors to introduce a new type of erythrocyte characteristics ICV, ICH, ICHC (Individual Cell Volume, Individual Cell Hemoglobin, Individual Corpuscular Hemoglobin Concentration). In turn, this made it possible to obtain the histograms of hemoglobin distribution in erythrocytes of a blood sample along with the traditional distribution of their volumes, which can serve as an additional tool in the field of hemodiagnostics. Thus, the paper shows that SSCM method makes it possible to compile an individual metrological “passport” for each erythrocyte of the blood sample under study—this is the main feature of this work.","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"131 9","pages":"803 - 814"},"PeriodicalIF":0.8,"publicationDate":"2024-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142409189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Spectral Study of the Structure and Properties of Complexes of Unsubstituted Indoline Spiropyran with Aluminum Ions 未取代吲哚啉-螺吡喃与铝离子络合物的结构和性质的光谱研究

IF 0.8 4区物理与天体物理

Optics and Spectroscopy Pub Date : 2024-04-01 DOI: 10.1134/S0030400X23100028

N. E. Belikov, A. Yu. Lukin, S. D. Varfolomeev, I. I. Levina, L. E. Petrovskaya, O. V. Demina, V. A. Barachevsky, A. A. Khodonov

引用次数: 0

Focusing Diffraction Optics for Orbital Telescopes 轨道望远镜的聚焦衍射光学器件

IF 0.8 4区物理与天体物理

Optics and Spectroscopy Pub Date : 2024-04-01 DOI: 10.1134/S0030400X23100132

V. V. Lider

引用次数: 0