Applied Physics B最新文献_第3页

Quantifying the mixing behavior of direct injected hydrogen in high-pressure environments by Rayleigh scattering 用瑞利散射量化高压环境下直接注入氢的混合行为

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2025-09-06 DOI: 10.1007/s00340-025-08549-1

Max Peters, Noud Maes, Nico Dam, Jeroen van Oijen

引用次数: 0

Correction: Continuum laser absorption spectroscopy of C2(a3Πu) in a sublimating cloud of carbon black 校正：C2（a3Πu）在炭黑升华云中的连续激光吸收光谱

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2025-09-04 DOI: 10.1007/s00340-025-08542-8

Colton Willhardt, Neil Thakker, Nick Son, Adam Hammond-Clements, Kyle Daniel, Nick Glumac

引用次数: 0

Mono-laser scanning measurement of radial operating deflection shapes for cylindrical shells: validation by 3D Digital Image Correlation 圆柱壳径向工作偏转形状的单激光扫描测量：三维数字图像相关验证

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2025-09-04 DOI: 10.1007/s00340-025-08538-4

Xiaofan Wu, Feipeng Zhu, Yuchen Yang, Wei Xu

{"title":"Mono-laser scanning measurement of radial operating deflection shapes for cylindrical shells: validation by 3D Digital Image Correlation","authors":"Xiaofan Wu, Feipeng Zhu, Yuchen Yang, Wei Xu","doi":"10.1007/s00340-025-08538-4","DOIUrl":"10.1007/s00340-025-08538-4","url":null,"abstract":"<div><p>Cylindrical shells, such as gas pipes and wind turbine towers, are common structural components. Ensuring the stability of these structures necessitates accurate measurement of their three-dimensional (3D) operating deflection shapes (ODSs). Laser Doppler Vibrometry (LDV) and Digital Image Correlation (DIC) are two prevalent optical measurement techniques. Measuring radial vibrations of a cylindrical shell only using a 1D scanning laser Doppler vibrometer (1D-SLDV) poses a challenging yet practical problem, as the cost of a 1D-SLDV is significantly lower than that of a 3D-SLDV. Addressing this issue, the authors previously proposed a scheme for measuring radial ODSs of a cylinder via mono-laser scanning. By leveraging the geometric relationship, the displacements measured by the laser at each point are transformed to obtain radial displacements. Although it was proven through numerical simulation using the finite element (FE) method, experimental validation via 3D measurements is critical and still pending. To ensure the reliability of this scheme, it is experimentally validated in this study through comparison with the actual radial ODSs captured by 3D DIC. To validate the accuracy of the corrected radial ODSs, the cosine similarity (CS) values across the radial ODSs obtained through the FE method, LDV, and DIC are calculated, demonstrating a high degree of similarity. Particularly, the LDV and DIC yield consistent radial ODSs, with their CSs exceeding 95% for each excitation frequency.</p></div>","PeriodicalId":474,"journal":{"name":"Applied Physics B","volume":"131 10","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144990617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Multi-mode stable, megawatt peak power Nd: YAG laser 多模稳定，兆瓦峰值功率Nd: YAG激光器

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2025-09-02 DOI: 10.1007/s00340-025-08498-9

Qi Yunxuan, Zhang Sasa, Ye Zhibin, Li Xiaoran, Jiang Shu

引用次数: 0

Sensitive shock tube measurements using multipass laser absorption spectroscopy 敏感激波管测量使用多通激光吸收光谱

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2025-09-01 DOI: 10.1007/s00340-025-08545-5

Haojia Sun, Mohsin Raza, Sihao Wang, Dapeng Liu, Daxin Wen, Hongbo Ning, Wei Ren

引用次数: 0

Coherent detection of discrete variable quantum key distribution using homodyne technique 用同差技术相干检测离散变量量子密钥分布

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2025-09-01 DOI: 10.1007/s00340-025-08531-x

Muhammad Kamran, Tahir Malik, Ayesha Jamal, Muhammad Fahim Ul Haque, Muhammad Mubashir Khan

引用次数: 0

Time-resolved analysis of ASE impact in a copper bromide MOPA system 溴化铜MOPA系统中ASE影响的时间分辨分析

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2025-08-26 DOI: 10.1007/s00340-025-08543-7

Maxim V. Trigub, Nikolai A. Vasnev

{"title":"Time-resolved analysis of ASE impact in a copper bromide MOPA system","authors":"Maxim V. Trigub, Nikolai A. Vasnev","doi":"10.1007/s00340-025-08543-7","DOIUrl":"10.1007/s00340-025-08543-7","url":null,"abstract":"<div>\u0000 \u0000 <p>This study investigates the influence of amplified spontaneous emission (ASE) on the output characteristics of a Master Oscillator Power Amplifier (MOPA) system, with particular attention to the temporal dependence of the signal-to-noise ratio (SNR). The time delay between the ASE generated in the power amplifier and the laser pulse emitted by the master oscillator was varied over a wide range, from − 36 to + 24 ns. A positive delay corresponds to the input signal entering the amplifier before the onset of ASE. Temporal profiles of the ASE, the input pulse, and the amplified output signal were recorded and analyzed. The results demonstrate that the temporal alignment of the input signal with the leading edge of the ASE critically affects the output power and the efficiency of population inversion utilization. The maximum output power of 3.87 watts was achieved at a time delay of plus 4.7 ns, when the peak of the input pulse coincided with the ASE front. Quantitative estimates of the ASE contribution to the output signal were obtained, enabling an assessment of the SNR under various timing conditions. These findings provide practical recommendations for optimizing synchronization in MOPA-based laser systems to maximize output contrast and minimize noise.</p>\u0000 </div>","PeriodicalId":474,"journal":{"name":"Applied Physics B","volume":"131 9","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144897052","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Imaging thermometry in a spray flame synthesis process via single shot two-line atomic fluorescence using pulsed narrow-band optical parametric oscillators 利用脉冲窄带光学参量振荡器进行单发双线原子荧光喷雾火焰合成过程的成像测温

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2025-08-25 DOI: 10.1007/s00340-025-08534-8

Markus Labus, Franz J. T. Huber, Stefan Will

{"title":"Imaging thermometry in a spray flame synthesis process via single shot two-line atomic fluorescence using pulsed narrow-band optical parametric oscillators","authors":"Markus Labus, Franz J. T. Huber, Stefan Will","doi":"10.1007/s00340-025-08534-8","DOIUrl":"10.1007/s00340-025-08534-8","url":null,"abstract":"<div><p>The present work demonstrates shot-to-shot calibrated imaging thermometry in a spray-flame-synthesis (SFS) process by utilizing two-line atomic fluorescence (TLAF) of indium atoms. Measurements in this highly turbulent, particle-laden flame were accomplished by implementing two optical parametric oscillators (OPOs) designed for pulsed operation in order to generate radiation with the required excitation wavelengths. The OPOs were optimized towards a narrow-band spectral output while maintaining high tunability. A linear OPO design was realized, which is capable to produce laser radiation with a bandwidth as narrow as 148 pm. These laser sources were employed to excite the <span>({5}^{2}{P}_{1/2}to {6}^{2}{S}_{1/2})</span> transition at 410.13 nm and the <span>({5}^{2}{P}_{3/2}to {6}^{2}{S}_{1/2})</span> transition at 451.13 nm using to two coplanar light sheets formed, one from each OPO. As this TLAF-method requires calibration, the light sheets were split by a 50:50 beam splitter and guided through two burners simultaneously, one being a calibration flame with a known temperature profile and the other one being the flame of a spray-flame-synthesis burner. By recording the fluorescence signals from both flames in the same camera frame, calibration could be conducted for each single shot, which allows to compensate for shot-to-shot spatial irradiance fluctuations of the OPOs. The shown TLAF-measurement set-up thus enables highly reliable and accurate single-shot measurements of flame temperatures in SFS.</p></div>","PeriodicalId":474,"journal":{"name":"Applied Physics B","volume":"131 9","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00340-025-08534-8.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144893924","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

Efficient delivery of sub-ps laser pulses with pulse energies exceeding 100 µJ at average powers of up to 95 W through a hollow-core fiber 通过空心芯光纤高效传输亚ps级激光脉冲，脉冲能量超过100µJ，平均功率高达95 W

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2025-08-25 DOI: 10.1007/s00340-025-08540-w

Tim Kühlthau, Bowen Chen, Thomas Graf, Marwan Abdou Ahmed

引用次数: 0

Fluorescence molecular lifetime tomography based on asymptotic source function approximation: prospects for solving the problem 基于渐近源函数逼近的荧光分子寿命层析成像：解决问题的展望

IF 2 3区物理与天体物理

Applied Physics B Pub Date : 2025-08-21 DOI: 10.1007/s00340-025-08539-3

A. B. Konovalov, V. V. Vlasov, S. I. Samarin, A. S. Uglov, I. D. Solovyev, A. P. Savitsky, V. V. Tuchin

引用次数: 0