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Chemiluminescent Hydrogen Peroxide Sensor Based on Luminol and a Colloidal Solution of Metal Nanoparticles 基于鲁米诺和金属纳米颗粒胶体溶液的过氧化氢化学发光传感器
IF 0.8 4区 物理与天体物理
Optics and Spectroscopy Pub Date : 2024-08-07 DOI: 10.1134/S0030400X24020188
N. A. Virts, D. R. Dadadzhanov, A. S. Yablokov, D. V. Shershnev, T. A. Vartanyan
{"title":"Chemiluminescent Hydrogen Peroxide Sensor Based on Luminol and a Colloidal Solution of Metal Nanoparticles","authors":"N. A. Virts,&nbsp;D. R. Dadadzhanov,&nbsp;A. S. Yablokov,&nbsp;D. V. Shershnev,&nbsp;T. A. Vartanyan","doi":"10.1134/S0030400X24020188","DOIUrl":"10.1134/S0030400X24020188","url":null,"abstract":"<p>The effect of gold and silver nanoparticles with plasmon resonance on the chemiluminescence of luminol in an oxidizing environment was studied. It has been shown that when a colloidal solution of metal nanoparticles is added to luminol, the intensity of chemiluminescence caused by the presence of hydrogen peroxide and sodium hypochlorite increases and can be easily recorded at a pH level characteristic of biological media close to neutral, at which chemiluminescence is weak in the absence of metal nanoparticles.</p>","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"132 2","pages":"196 - 199"},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141931821","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
Formation of Silver Nanoparticles Oligomers Obtained via Laser Ablation in a Liquid by Sequential Centrifugation and Ultrasonication: Tunable Long-Wavelength Shift of Plasmon Resonance for Biomedical Applications 通过顺序离心和超声处理在液体中形成激光烧蚀银纳米粒子低聚物：用于生物医学应用的可调谐等离子体共振长波长位移
IF 0.8 4区 物理与天体物理
Optics and Spectroscopy Pub Date : 2024-08-07 DOI: 10.1134/S0030400X24020061
D. R. Dadadzhanov, A. V. Palekhova, G. Alexan, M. A. Baranov, N. A. Maslova
{"title":"Formation of Silver Nanoparticles Oligomers Obtained via Laser Ablation in a Liquid by Sequential Centrifugation and Ultrasonication: Tunable Long-Wavelength Shift of Plasmon Resonance for Biomedical Applications","authors":"D. R. Dadadzhanov,&nbsp;A. V. Palekhova,&nbsp;G. Alexan,&nbsp;M. A. Baranov,&nbsp;N. A. Maslova","doi":"10.1134/S0030400X24020061","DOIUrl":"10.1134/S0030400X24020061","url":null,"abstract":"<p>A relatively simple physical method has been proposed for fabrication of stable oligomers of silver nanoparticles, preliminarily obtained by pulsed laser ablation of a metal target in a liquid. Oligomers of silver nanoparticles are formed in an aqueous solution after prolonged centrifugation at 18 000<i>g</i> and subsequent ultrasonication of the initial colloidal solution of spherical nanoparticles obtained by laser ablation. The plasmon resonance in oligomers is shifted relative to the plasmon resonance in spherical nanoparticles to the long wavelength region by 140 nm.</p>","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"132 2","pages":"118 - 125"},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141931841","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
Simulation of the Interaction of NiO with a Graphene Layer in a NiOx/CNT Composite Based on XANES Spectroscopy 基于 XANES 光谱模拟 NiOx/CNT 复合材料中 NiO 与石墨烯层的相互作用
IF 0.8 4区 物理与天体物理
Optics and Spectroscopy Pub Date : 2024-08-07 DOI: 10.1134/S0030400X24020073
V. O. Dmitriev, V. A. Shmatko, I. V. Ershov, E. S. Stebletsova, G. E. Yalovega
{"title":"Simulation of the Interaction of NiO with a Graphene Layer in a NiOx/CNT Composite Based on XANES Spectroscopy","authors":"V. O. Dmitriev,&nbsp;V. A. Shmatko,&nbsp;I. V. Ershov,&nbsp;E. S. Stebletsova,&nbsp;G. E. Yalovega","doi":"10.1134/S0030400X24020073","DOIUrl":"10.1134/S0030400X24020073","url":null,"abstract":"<p>The interaction of NiO clusters with a graphene layer of a nanotube in NiO<sub><i>x</i></sub>/CNT composites is simulated based on a theoretical analysis of Ni <i>K</i>-edge XANES spectra. Various cases of orientation of crystallographic planes relative to the nanotube wall are considered. It was determined that Ni in the composite is predominantly in the 2+ state, NiO particles are oriented towards the tube wall by the (200) plane. Accounting for carbon atoms even in the first sphere of the nickel environment makes it possible to achieve good agreement between the theoretical spectrum and experiment.</p>","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"132 2","pages":"126 - 129"},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141931843","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
Volume Transmission Holograms in Lithium Niobate Crystals with Surface Copper Doping for Photovoltaic Tweezers 用于光伏镊子的表面掺铜铌酸锂晶体体透射全息图
IF 0.8 4区 物理与天体物理
Optics and Spectroscopy Pub Date : 2024-08-07 DOI: 10.1134/S0030400X24020024
R. I. Anisimov, A. S. Temereva, A. A. Kolmakov, S. M. Shandarov
{"title":"Volume Transmission Holograms in Lithium Niobate Crystals with Surface Copper Doping for Photovoltaic Tweezers","authors":"R. I. Anisimov,&nbsp;A. S. Temereva,&nbsp;A. A. Kolmakov,&nbsp;S. M. Shandarov","doi":"10.1134/S0030400X24020024","DOIUrl":"10.1134/S0030400X24020024","url":null,"abstract":"<p>The results of experimental studies, theoretical analysis and numerical simulations of the features of the volume transmission holograms' formation by the interference pattern of laser beams with high contrast in the <i>X</i>-cut LiNbO<sub>3</sub>:Cu, fabricated by diffusion from a metal film, are presented. Analytic formulas that take the inhomogeneities of the distribution of copper ions and the absorption index of recording beams over the thickness of the sample into account are derived to describe the time evolution of the amplitude of the first spatial harmonic of the field. The material parameters of the LiNbO<sub>3</sub>:Cu structure are estimated. A comparative analysis of the spatial distribution of the amplitude of the first harmonic of the photorefractive hologram’s field in two types of LiNbO<sub>3</sub>:Cu structures is performed. We concluded that it is necessary to use <i>X</i>‑cut LiNbO<sub>3</sub>:Cu diffusion structures characterized by similar distributions of impurity centers, which maximums are localized near the boundary used to capture micro- and nanoparticles, for the implementation of photovoltaic tweezers.</p>","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"132 2","pages":"86 - 94"},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141968729","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
Phonons and Features Due to Ionic Conductivity in the Reflection Spectra of BiF3 Crystal BiF3 晶体反射光谱中的声子和离子导电性特征
IF 0.8 4区 物理与天体物理
Optics and Spectroscopy Pub Date : 2024-08-07 DOI: 10.1134/S0030400X24020139
A. D. Molchanova, S. A. Klimin, V. A. Chernyshev, K. N. Boldyrev, A. R. Valiev, D. N. Karimov
{"title":"Phonons and Features Due to Ionic Conductivity in the Reflection Spectra of BiF3 Crystal","authors":"A. D. Molchanova,&nbsp;S. A. Klimin,&nbsp;V. A. Chernyshev,&nbsp;K. N. Boldyrev,&nbsp;A. R. Valiev,&nbsp;D. N. Karimov","doi":"10.1134/S0030400X24020139","DOIUrl":"10.1134/S0030400X24020139","url":null,"abstract":"<p>Crystals of bismuth fluoride BiF<sub>3</sub> grown from a melt were studied for the first time by optical spectroscopy methods and calculated from first principles in the phonon excitations region. A study of IR reflectance spectra in polarized light was carried out. The parameters of optical phonons were obtained. In the IR reflectance spectra, a low-frequency rise in the range &lt;500 cm<sup>–1</sup>, characteristic of conductive materials, is observed. The reflection spectra were analyzed within the framework of the Drude–Lorentz model, taking into account the contribution of ionic conductivity. An ab initio calculation of the phonon spectrum of a BiF<sub>3</sub> crystal was carried out and the relationship between theoretical and experimental data was analyzed.</p>","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"132 2","pages":"170 - 174"},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141931817","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
Rotation Angle Sensor Based on a One-Dimensional Photonic Crystal with a Defect 基于带有缺陷的一维光子晶体的旋转角度传感器
IF 0.8 4区 物理与天体物理
Optics and Spectroscopy Pub Date : 2024-08-07 DOI: 10.1134/S0030400X24020164
A. I. Sidorov, A. A. Efimov
{"title":"Rotation Angle Sensor Based on a One-Dimensional Photonic Crystal with a Defect","authors":"A. I. Sidorov,&nbsp;A. A. Efimov","doi":"10.1134/S0030400X24020164","DOIUrl":"10.1134/S0030400X24020164","url":null,"abstract":"<p>The results of numerical simulation of the optical properties of a one-dimensional (1D) photonic crystal with a defect based on semiconductor-dielectric layers in the near-IR range are presented. The simulations used layers of silicon and silicon dioxide with optical thicknesses 3λ/4, λ/4 and 10λ/4. The influence of radiation incident angle on the spectral position of the defect’s guidance band has been studied. It is shown that the sensitivity to the rotation angle lies within the limits of 6–20 nm/deg and 1.7–5.5 dB/deg, depending on the geometry of the sensor and the measurement method. This makes these photonic crystals promising for use in the rotation angle sensors as a sensitive element.</p>","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"132 2","pages":"188 - 192"},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141931822","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
Emission Linewidth and α-Factor of 1.55 μm-Range Vertical-Cavity Surface-Emitting Lasers Based on InGaAs/InGaAlAs Quantum Wells 基于 InGaAs/InGaAlAs 量子阱的 1.55 μm 范围垂直腔表面发射激光器的发射线宽和 α 因子
IF 0.8 4区 物理与天体物理
Optics and Spectroscopy Pub Date : 2024-08-07 DOI: 10.1134/S0030400X2402005X
S. A. Blokhin, Ya. N. Kovach, M. A. Bobrov, A. A. Blokhin, N. A. Maleev, A. G. Kuzmenkov, A. V. Babichev, I. I. Novikov, L. Ya. Karachinsky, E. S. Kolodeznyi, K. O. Voropaev, A. V. Kulikov, A. Yu. Egorov, V. M. Ustinov
{"title":"Emission Linewidth and α-Factor of 1.55 μm-Range Vertical-Cavity Surface-Emitting Lasers Based on InGaAs/InGaAlAs Quantum Wells","authors":"S. A. Blokhin,&nbsp;Ya. N. Kovach,&nbsp;M. A. Bobrov,&nbsp;A. A. Blokhin,&nbsp;N. A. Maleev,&nbsp;A. G. Kuzmenkov,&nbsp;A. V. Babichev,&nbsp;I. I. Novikov,&nbsp;L. Ya. Karachinsky,&nbsp;E. S. Kolodeznyi,&nbsp;K. O. Voropaev,&nbsp;A. V. Kulikov,&nbsp;A. Yu. Egorov,&nbsp;V. M. Ustinov","doi":"10.1134/S0030400X2402005X","DOIUrl":"10.1134/S0030400X2402005X","url":null,"abstract":"<p>The emission linewidth of single-mode vertical-cavity surface-emitting lasers with an active region based on strained InGaAs/InGaAlAs quantum wells in the spectral range of 1.55 μm was studied. The removal of degeneracy in polarization of the fundamental mode (splitting of the resonance wavelength) and polarization switching (type I) associated with the transition from lasing via the short-wavelength mode to lasing via the long-wavelength one were observed. As the output optical power increased, the emission linewidth dropped to ~30 MHz for both orthogonally polarized modes and was limited by the residual linewidth. The value of the α-factor was estimated: for the short-wavelength mode it reached 5, while for the long-wavelength mode it increased to ~9. At an output optical power of more than 1 mW, the emission line broadening is observed, which can be associated with a gain saturation and the increased α-factor caused by a strong self-heating of the investigated laser.</p>","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"132 2","pages":"111 - 117"},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141931840","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
Interaction of an Electromagnetic H-Wave with an “Insulator–Semiconductor–Insulator” Nanostructure in the View of Semiconductor Band Structure Anisotropy 从半导体带结构各向异性看电磁高波与 "绝缘体-半导体-绝缘体 "纳米结构的相互作用
IF 0.8 4区 物理与天体物理
Optics and Spectroscopy Pub Date : 2024-08-07 DOI: 10.1134/S0030400X24020127
I. A. Kuznetsova, O. V. Savenko
{"title":"Interaction of an Electromagnetic H-Wave with an “Insulator–Semiconductor–Insulator” Nanostructure in the View of Semiconductor Band Structure Anisotropy","authors":"I. A. Kuznetsova,&nbsp;O. V. Savenko","doi":"10.1134/S0030400X24020127","DOIUrl":"10.1134/S0030400X24020127","url":null,"abstract":"<p>The problem of electromagnetic H-wave interaction with a layered “insulator–semiconductor–insulator” nanostructure is solved. We assume that the semiconductor layer thickness can be comparable to or less than the charge carrier de Broglie wavelength. Charge carrier surface scattering is taken into account by the Soffer boundary conditions. The electromagnetic wave frequency is less than the plasma resonance frequency. The constant energy surface is an ellipsoid of revolution. Analytical expressions are obtained for the reflection, transmission and absorption coefficients. Calculations are performed for the limiting cases of a degenerate and nondegenerate electron gas. We analyze the dependences of the optical coefficients on dimensionless parameters: the semiconductor layer thickness, the electromagnetic wave frequency and incidence angle, the chemical potential, the ellipticity parameter, the insulating layer permittivities, and the “semiconductor–insulator” interface roughness parameters.</p>","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"132 2","pages":"162 - 169"},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141931816","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
Thermal Resistance of LEDs Based on a Narrow-Gap InAsSb Solid Solution 基于窄间隙 InAsSb 固体溶液的 LED 的热阻
IF 0.8 4区 物理与天体物理
Optics and Spectroscopy Pub Date : 2024-08-07 DOI: 10.1134/S0030400X2402019X
A. L. Zakgeim, A. A. Klimov, T. S. Lukhmyrina, B. A. Matveev, A. E. Chernyakov
{"title":"Thermal Resistance of LEDs Based on a Narrow-Gap InAsSb Solid Solution","authors":"A. L. Zakgeim,&nbsp;A. A. Klimov,&nbsp;T. S. Lukhmyrina,&nbsp;B. A. Matveev,&nbsp;A. E. Chernyakov","doi":"10.1134/S0030400X2402019X","DOIUrl":"10.1134/S0030400X2402019X","url":null,"abstract":"<p>This paper examines the thermal resistance of the mid-infrared “flip-chip” LEDs based on the <i>p</i>‑InAsSbP/<i>n</i>-InAsSb heterostructure. It was shown that the measurement of thermal resistance via a thermal control unit (forward <i>p</i>–<i>n</i> junction voltage) for LEDs based on narrow-gap semiconductors must be carried out at low temperature when thermal control unit is constant.</p>","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"132 2","pages":"200 - 202"},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141968731","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
Longwave (λ0.1 = 10 μm, 296 K) Infrared Photodetectors Based on InAsSb0.38 Solid Solution 基于 InAsSb0.38 固溶体的长波（λ0.1 = 10 μm，296 K）红外光探测器
IF 0.8 4区 物理与天体物理
Optics and Spectroscopy Pub Date : 2024-08-07 DOI: 10.1134/S0030400X24020115
R. E. Kunkov, A. A. Klimov, N. M. Lebedeva, T. S. Lukhmyrina, B. A. Matveev, M. A. Remennyy, A. A. Usikova
{"title":"Longwave (λ0.1 = 10 μm, 296 K) Infrared Photodetectors Based on InAsSb0.38 Solid Solution","authors":"R. E. Kunkov,&nbsp;A. A. Klimov,&nbsp;N. M. Lebedeva,&nbsp;T. S. Lukhmyrina,&nbsp;B. A. Matveev,&nbsp;M. A. Remennyy,&nbsp;A. A. Usikova","doi":"10.1134/S0030400X24020115","DOIUrl":"10.1134/S0030400X24020115","url":null,"abstract":"<p>Photodetectors based on diode heterostracture with InAsSb<sub><i>x</i></sub> photosensitive region (<i>x</i> = 0.38) with long-wave cut-off λ<sub>0.1</sub> about 10 μm (296 K) are investigated. The dependences of dark current density and detectivity in the temperature range of 200–425 K have been investigated. It is shown that the experimental samples are characterized by values of dark current density about 500 A/cm<sup>2</sup> at room temperature, detectivity 1.2 × 10<sup>9</sup> and 5 × 10<sup>9</sup> cm Hz<sup>1/2</sup> W<sup>–1</sup> at room temperature and 250 K, respectively, and diffusion mechanism of current flow in the temperature range 200–350 K.</p>","PeriodicalId":723,"journal":{"name":"Optics and Spectroscopy","volume":"132 2","pages":"158 - 161"},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141931818","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
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