Applied Physics B最新文献_第8页

Essential characterization of q-plates for the design of Pancharatnam-Berry topological phase based gadgets 基于Pancharatnam-Berry拓扑相位器件设计中q板的基本特性

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2026-03-10 DOI: 10.1007/s00340-026-08651-y

Nilesh Rajput, P. Kanaka Raju, G. Raghavan

{"title":"Essential characterization of q-plates for the design of Pancharatnam-Berry topological phase based gadgets","authors":"Nilesh Rajput, P. Kanaka Raju, G. Raghavan","doi":"10.1007/s00340-026-08651-y","DOIUrl":"10.1007/s00340-026-08651-y","url":null,"abstract":"<div>\u0000 \u0000 <p>Scalar vortex beams may be generated using multiple techniques. However, the generation of vector vortex beams from a single optical component has fewer options. A liquid crystal plate called a <i>q</i>-plate has a distribution of optical axis alignments that can vary radially and azimuthally. These plates provide a very robust and cost-effective method of generating vector-vortex and structured beams based on the Pancharatnam-Berry phase. Multi-plate gadgets can be generated from these plates to generate full-Poincaré beams, wavelength-tunable <i>q</i>-plates, and a wide range of structured light. The successful realization of such gadgets relies on the careful characterization of individual plates, which are characterized by their topological charge, offset angle, and retardance at the designed wavelength. In order to make complex multi-plate devices, a thorough mathematical modeling followed by multiple experimental measurements and simulations is essential. In the present work, a systematic and thorough protocol for such a characterization is provided with ample experimental and simulation results. The results presented here should be of value to experimentalists and device makers alike.</p>\u0000 </div>","PeriodicalId":474,"journal":{"name":"Applied Physics B","volume":"132 4","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00340-026-08651-y.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147375266","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Topological light fields in free space: fundamentals and applications 自由空间中的拓扑光场：基础与应用

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2026-03-07 DOI: 10.1007/s00340-026-08648-7

Jian Wang, Zhenyu Wan, Jinfeng Liu, Rui Sun, Junjie Chen, Shiao Ding

{"title":"Topological light fields in free space: fundamentals and applications","authors":"Jian Wang, Zhenyu Wan, Jinfeng Liu, Rui Sun, Junjie Chen, Shiao Ding","doi":"10.1007/s00340-026-08648-7","DOIUrl":"10.1007/s00340-026-08648-7","url":null,"abstract":"<div>\u0000 \u0000 <p>The incorporation of topology into physical dimensions of light introduces global and quantized characteristics that give rise to a new class of optical fields with enhanced robustness and functionality. Topological light fields are defined by nontrivial topological invariants, such as winding numbers, linking numbers, and skyrmion or Hopf indices, encoded in phase singularities, polarization textures, or spatiotemporal structures, providing a unifying framework for understanding and engineering complex optical structures. In this review, we present an overview of the fundamentals and applications of topological light fields in free space. We first classify topological light according to two-dimensional cross-profile topology, three-dimensional spatially-propagated topology, and spatiotemporal topology, and summarize the underlying physical principles, generation methods, and characterization techniques for representative structures, including optical vortices, vector beams, skyrmions, optical knots, Möbius strips, Hopfions, and spatiotemporal optical vortices. We then survey recent advances in applications enabled by topological light fields, covering high-capacity and robust optical communications, topological quantum entanglement, optical storage, precision optical metrology, and multidimensional optical trapping. Finally, we discuss key challenges and emerging opportunities in this rapidly evolving field. This review aims to provide a detailed roadmap for both fundamental research and technological development in free-space topological photonics.</p>\u0000 </div>","PeriodicalId":474,"journal":{"name":"Applied Physics B","volume":"132 3","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00340-026-08648-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147362809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Magnetic field controlled nucleation and size selection of silver nanoparticles 磁场控制纳米银的成核及粒径选择

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2026-03-07 DOI: 10.1007/s00340-026-08656-7

Yazeed Tawalbeh, Mauro F. Pereira

{"title":"Magnetic field controlled nucleation and size selection of silver nanoparticles","authors":"Yazeed Tawalbeh, Mauro F. Pereira","doi":"10.1007/s00340-026-08656-7","DOIUrl":"10.1007/s00340-026-08656-7","url":null,"abstract":"<div><p>We examine the reduction of silver nanoparticle (AgNP) size under an external magnetic field within a classical nucleation theory framework combined with a sphere-packing description of atomic assembly. The model incorporates magnetic free-energy contributions arising from the coupling between the applied field and the magnetic susceptibility of the nucleating material, yielding a closed-form relation between nanoparticle radius and field strength. Our approach reproduces the experimentally observed decrease in the most-probable particle radius from approximately <span>(170text { nm})</span> at <span>(mathcal {B}=49.27text { mT})</span> when the magnetic field is oriented parallel to the stirring plane, and to <span>(155text { nm})</span> at <span>(mathcal {B}=180.78text { mT})</span> in the perpendicular configuration. Across the investigated field range, the theoretical predictions remain consistent with experimental measurements obtained under continuous mechanical stirring, supporting the interpretation that the observed size reduction originates from a magnetic-field-induced modification of the nucleation free-energy landscape. Within the limits of classical capillarity and spherical demagnetization, the results provide a physically transparent and computationally efficient framework for understanding magnetic-field-controlled nanoparticle size selection.</p></div>","PeriodicalId":474,"journal":{"name":"Applied Physics B","volume":"132 3","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00340-026-08656-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147441042","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nonreciprocal photonic spin hall effect in a bulk Dirac semimetal based tribonacci photonic crystal 块体Dirac半金属基tribonacci光子晶体中的非互易光子自旋霍尔效应

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2026-03-02 DOI: 10.1007/s00340-026-08623-2

Zhi Ji, Ning-Yi Wang, Wen-Tao Liu, Zhi-Wei Liu, Qi Song, Hua-Peng Ye, Hai-Xia Da

{"title":"Nonreciprocal photonic spin hall effect in a bulk Dirac semimetal based tribonacci photonic crystal","authors":"Zhi Ji, Ning-Yi Wang, Wen-Tao Liu, Zhi-Wei Liu, Qi Song, Hua-Peng Ye, Hai-Xia Da","doi":"10.1007/s00340-026-08623-2","DOIUrl":"10.1007/s00340-026-08623-2","url":null,"abstract":"<div>\u0000 \u0000 <p>Nonreciprocal photonic spin Hall effect manifests it as the different spin dependent reflected/transmitted transverse splittings of linearly polarized incident waves at two opposite wave propagation directions. However, its realization remains obscure. Here, we report the discovery of the prominent nonreciprocal photonic spin Hall effect in a bulk Dirac semimetal based on quasiperiodic Tribonacci photonic crystal, which is evidenced by the significantly large reflected spin shift along one propagation direction but the trivial spin shift along the opposite propagation direction due to its asymmetrical geometrical structure and electromagnetic field distribution. In addition, the Fermi energy of the bulk Dirac semimetal can be continuously modified by the external stimulus, which enables the effective control of the nonreciprocal photonic spin Hall effect in the Dirac semimetal based Tribonacci photonic crystal. Our results open up the alternative platform to generate the controllably nonreciprocal photonic spin Hall effect in the quasiperiodic systems via the combination of the bulk Dirac semimetals and Tribonacci photonic crystal.</p>\u0000 </div>","PeriodicalId":474,"journal":{"name":"Applied Physics B","volume":"132 3","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00340-026-08623-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147335830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Spatio-spectral characterization of ultrashort-pulse laser with wavelength-scanning ptychography 超短脉冲激光的波长扫描空间光谱表征

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2026-03-02 DOI: 10.1007/s00340-026-08640-1

Qiang Zhang, Xuejie Zhang, Ping Zhu, Xiaomeng Sun, Qingfan Wu, Xiuyu Yao, Dongjun Zhang, Shiyou Chen, Cheng Liu, Yanying Zhao, Wenjun Ma, Xueqing Yan, Jianqiang Zhu

引用次数: 0

Evaluating the viscoelastic properties and folding dynamics of red blood cells maintained at 4 °C using optical tweezers 用光学镊子评价红细胞在4°C下的粘弹性和折叠动力学

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2026-03-02 DOI: 10.1007/s00340-026-08646-9

Theodoros Giannakis, Sotirios P. Fortis, Sergey V. Starinskiy, Anastasios G. Kriebardis, Maria Kandyla

{"title":"Evaluating the viscoelastic properties and folding dynamics of red blood cells maintained at 4 °C using optical tweezers","authors":"Theodoros Giannakis, Sotirios P. Fortis, Sergey V. Starinskiy, Anastasios G. Kriebardis, Maria Kandyla","doi":"10.1007/s00340-026-08646-9","DOIUrl":"10.1007/s00340-026-08646-9","url":null,"abstract":"<div>\u0000 \u0000 <p>This work investigates the viscoelastic properties and folding dynamics of red blood cells (RBCs) at the single-cell level, using optical tweezers. Cell elasticity and membrane viscosity are measured by dragging optically trapped RBCs against the surrounding plasma environment. A custom-developed image processing algorithm is employed for high-throughput processing of single-cell trapping data. The effect of refrigerated plasma storage on the mechanical properties of the cells is investigated by measuring their folding dynamics after one day and seven days of storage for several trapping laser powers and the findings indicate that mechanical stiffening of the cells takes place while they are stored. A novel correlation between RBC area and folding time is established. These results provide new insights into the mechanical behavior of RBCs, which are related to several blood disorders.</p>\u0000 </div>","PeriodicalId":474,"journal":{"name":"Applied Physics B","volume":"132 3","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00340-026-08646-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147335931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The universal statistics of multipulse laser damage 多脉冲激光损伤的通用统计

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2026-02-28 DOI: 10.1007/s00340-026-08622-3

A. M. Zheltikov

引用次数: 0

Enhanced accuracy in nuclear fuel analysis: a novel standard addition method with LIBS for quantifying La and Nd in unknown Th-U MOX fuel 提高核燃料分析的准确性：用LIBS定量未知Th-U MOX燃料中的La和Nd的新标准添加方法

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2026-02-26 DOI: 10.1007/s00340-026-08624-1

Min Zhang, Hao Li, Qingyao Meng, Lingling Peng, Debo Wu, Yuhong Li, Zuoye Liu, Xiaoliang Liu, Xiaoyan Li, Yanhua Shi

{"title":"Enhanced accuracy in nuclear fuel analysis: a novel standard addition method with LIBS for quantifying La and Nd in unknown Th-U MOX fuel","authors":"Min Zhang, Hao Li, Qingyao Meng, Lingling Peng, Debo Wu, Yuhong Li, Zuoye Liu, Xiaoliang Liu, Xiaoyan Li, Yanhua Shi","doi":"10.1007/s00340-026-08624-1","DOIUrl":"10.1007/s00340-026-08624-1","url":null,"abstract":"<div>\u0000 \u0000 <p>Impurity elements such as lanthanum (La) and neodymium (Nd) in nuclear fuel can adversely impact its efficiency and operational lifespan, making their accurate quantification essential. This study employed laser-induced breakdown spectroscopy (LIBS) to analyze La and Nd in unknown thorium (Th) uranium (U) mixed oxide (Th-U MOX) fuel materials. A novel difference method (DM) was integrated with the standard addition method (SAM) and compared with the conventional extrapolation method (EM). Following a rigorous comparison, three analytical lines for each element were selected: 442.99 nm, 465.55 nm and 545.51 nm for La, and 430.35 nm, 445.15 nm and 529.31 nm for Nd. At 465.55 nm, the SAM-DM approach predicted a La concentration of 530 ppm with a relative error of the mean (REM) of 5.2%, markedly lower than the EM result of 600 ppm (REM = 24.9%). For Nd at 529.31 nm, SAM-DM yielded 475 ppm with 4.5% REM, compared to 550 ppm and 10.6% REM by EM. These results confirm the superior accuracy of SAM-DM over EM, particularly at the selected analytical lines. The two lines were subsequently used to construct optimized calibration curves, yielding limits of detection (LODs) of 155.22 ppm for La and 355.97 ppm for Nd. Furthermore, leave-one-out cross-validation (LOO-CV) confirmed the robustness of the proposed strategy, with prediction errors generally below 9% except in low concentration cases. Overall, this work establishes a reliable analytical framework for nuclear fuel impurity quantification by pioneering the combination of SAM-DM with LIBS for Th-U MOX analysis, demonstrating strong potential for quality control and safeguards applications.</p>\u0000 </div>","PeriodicalId":474,"journal":{"name":"Applied Physics B","volume":"132 3","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00340-026-08624-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Intense laser pulse propagation and remote high-voltage discharge triggering 强激光脉冲传输和远程高压放电触发

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2026-02-26 DOI: 10.1007/s00340-026-08644-x

Leonid Seleznev, Georgy Rizaev, Yury Geints

引用次数: 0

Coherence vortices: generation and detection [Invited] 相干涡旋的产生与检测[特邀]

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2026-02-25 DOI: 10.1007/s00340-026-08638-9

Akanksha Gautam, Amit Yadav, Yoshio Hayasaki, Rakesh Kumar Singh

{"title":"Coherence vortices: generation and detection [Invited]","authors":"Akanksha Gautam, Amit Yadav, Yoshio Hayasaki, Rakesh Kumar Singh","doi":"10.1007/s00340-026-08638-9","DOIUrl":"10.1007/s00340-026-08638-9","url":null,"abstract":"<div>\u0000 \u0000 <p>Since the concept of optical vortices was introduced in 1989, structured light has become a vital area in modern optics. Extending vortex beams to low coherent source has led to partially coherent vortex beams (PCVBs), which combine vortex phase with stochastic fields. PCVBs exhibit unique features, such as correlation singularities or coherence vortices (CVs), that link coherence and topology in light fields. Their tunable coherence allows for controlled beam shaping and improved stability in turbulent environments, offering advantages in optical communication, trapping, and imaging. Recent progress has focused on their theoretical modelling, generation methods, topological charge (TC) measurement, and emerging applications across singular and coherence optics. This paper highlights and discusses recent techniques for generating and detecting vortices in low-coherent light. As an example, a distinctive binary spiral pinhole aperture method is presented to create CVs, illustrating how structured transmittance modulation of an incoherent source enables the formation of CVs within the two-point complex spatial coherence function. The phase component of this function exhibits a helical structure, while its magnitude displays the characteristic doughnut-shaped amplitude distribution associated with CVs. Additionally, a detection approach for determining the TC and phase of a vortex beam embedded in a low-coherent source is also discussed.</p>\u0000 </div>","PeriodicalId":474,"journal":{"name":"Applied Physics B","volume":"132 3","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00340-026-08638-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147341722","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0