Optics express最新文献_第10页

Aliasing suppression of GaN-based homogeneous circular polarizer monolithically compatible with surface-emitting lasers. 氮化镓基均匀圆偏振器与表面发射激光器单片兼容的混叠抑制。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-06-02 DOI: 10.1364/OE.561046

Yong-Wei Lai, Li-Sheng Hu, Cheng-Yi Tsai, Tien-Chiu Chen, Wen-Hsuan Hsieh, Tien-Chang Lu, Chia-Yen Huang

{"title":"Aliasing suppression of GaN-based homogeneous circular polarizer monolithically compatible with surface-emitting lasers.","authors":"Yong-Wei Lai, Li-Sheng Hu, Cheng-Yi Tsai, Tien-Chiu Chen, Wen-Hsuan Hsieh, Tien-Chang Lu, Chia-Yen Huang","doi":"10.1364/OE.561046","DOIUrl":"https://doi.org/10.1364/OE.561046","url":null,"abstract":"Single layer homogeneous circular polarizer (HCP) metasurface, which is insensitive to the incident linear polarization angle, is designed and fabricated with GaN epitaxy. The right circularly polarized component of the linearly polarized beam is converted to left circularly polarized light and retained on the optical axis. In contrast, the left circularly polarized component is deflected away with a large angle of 75° after passing through the metasurface. The prominent aliasing effect due to the short wavelength and large deflection angle is suppressed by setting the phase gradient along a high-index reciprocal vector. In the simulation, the average degree of circular polarization out of the HCP is 0.95 from all linear polarization, while that from the experiment is 0.88. The average power efficiency is 50% in the simulation and 40% in the experiment. The insensitivity to the incident linear polarization angle makes the metasurface a strong candidate for the monolithically integrated circular polarizer on the backside of surface-emitting lasers.","PeriodicalId":19691,"journal":{"name":"Optics express","volume":"33 11","pages":"23692-23701"},"PeriodicalIF":3.2,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144294439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Aperiodicity and disorder as systematic spectral tuning mechanisms for plasmonic nanostructures. 非周期性和无序性：等离子体纳米结构的系统光谱调谐机制。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-06-02 DOI: 10.1364/OE.559905

Ekin Gunes Ozaktas, Sreyas Chintapalli, Eliza O'Reilly, Susanna M Thon

引用次数: 0

Accurate detection of multiple small targets in a wide field of view based on the compound-eye imaging system. 基于复眼成像系统的大视场内多个小目标的精确检测。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-06-02 DOI: 10.1364/OE.564273

Yiming Liu, Huangrong Xu, Xiao Yang, Yuxiang Li, Xiangbo Ren, Hang Li, Yuanyuan Wang, Weixing Yu

{"title":"Accurate detection of multiple small targets in a wide field of view based on the compound-eye imaging system.","authors":"Yiming Liu, Huangrong Xu, Xiao Yang, Yuxiang Li, Xiangbo Ren, Hang Li, Yuanyuan Wang, Weixing Yu","doi":"10.1364/OE.564273","DOIUrl":"https://doi.org/10.1364/OE.564273","url":null,"abstract":"The compound-eye imaging system emulates the key characteristics of natural compound eyes, including an expansive field of view (FOV) and exceptional sensitivity to moving targets. These inherent properties confer distinct advantages for unmanned reconnaissance applications, facilitating both large-scale monitoring and dynamic object detection tasks. In this work, we present an innovative wide-FOV small object detection method based on the compound-eye imaging system. A convolutional attention super-resolution fusion network (CASFNet) was designed to perform super-resolution upsampling on small target features in images and adaptively fuse multi-layer features, enabling accurate identification of multiple categories of small targets in compound-eye images. In addition, we established what we believe to be a novel compound-eye sub-image (CESI) dataset that utilizes the inherent FOV-overlap among ommatidia to achieve hardware-level data enhancement, providing a robust foundation for model development and validation. Moreover, we introduced a confidence-weighted fusion strategy that exploits system-specific imaging parameters to optimize confidence scores for identical targets across different sub-images. The proposed strategy generates spatially mapped detection results with unified confidence metrics on the reconstructed full-FOV image. Experimental validation demonstrates that the method achieves outstanding performance in multi-category small object detection with a measured precision of 96.2% and mAP of 94.2%, while significantly enhancing the overall reliability of object detection based on the compound-eye imaging system. This advancement paves the way for object detection in wide-area surveillance and intelligent transportation.","PeriodicalId":19691,"journal":{"name":"Optics express","volume":"33 11","pages":"24006-24017"},"PeriodicalIF":3.2,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144294474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Optimize progressive addition lens by Zernike polynomials. 用泽尼克多项式优化渐进式加法透镜。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-06-02 DOI: 10.1364/OE.561091

Yuechen Shen, Yunhai Tang, Quanying Wu, Fei Wang, Xiaoyi Chen, Haomo Yu

引用次数: 0

PEARL: projection-estimation accelerated Richardson-Lucy deconvolution for rapid volumetric imaging. PEARL：投影估计加速Richardson-Lucy反褶积快速体成像。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-06-02 DOI: 10.1364/OE.559124

Shunan Wu, Wenhao Liu, Xuanwen Hua, Jiajia Luo, Xunbin Wei, Shu Jia

引用次数: 0

Complex signal measurement based on weak measurements. 基于弱测量的复杂信号测量。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-06-02 DOI: 10.1364/OE.560095

Lan Luo, Tong Li, Tianchen Li, Bo Liu, Yu He, Zhiyou Zhang

引用次数: 0

Degree of unpolarization (DoUP): a single metric for all possible unpolarized beams. 非极化度（dup）：所有可能的非极化光束的单一度量。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-06-02 DOI: 10.1364/OE.560626

Sethuraj K R, Trevor Ollis, Nick Vamivakas

引用次数: 0

Design of customized freeform progressive addition lens based on localized precision optimization. 基于局部精度优化的自定义自由曲面渐进加法透镜设计。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-06-02 DOI: 10.1364/OE.564129

Zijian Yin, Lingjie Wang, Xin Zhang, Xuefeng Zeng, Yang Liu, Jingaowa Hu

{"title":"Design of customized freeform progressive addition lens based on localized precision optimization.","authors":"Zijian Yin, Lingjie Wang, Xin Zhang, Xuefeng Zeng, Yang Liu, Jingaowa Hu","doi":"10.1364/OE.564129","DOIUrl":"https://doi.org/10.1364/OE.564129","url":null,"abstract":"The rigid zonal design and inadequate precision control in primary visual zones are the current problems of progressive addition lenses (PALs). To address these limitations, this paper proposed a customized PAL design method with localized precision optimization. The approach systematically defined the objective function for optimization through customizable surface parameters while incorporating precise constraints on optical power and astigmatism in primary visual zones, and ultimately derived optimal surface data via optimization algorithms. To validate the design feasibility, two sets of PALs parameters were customized in this study. The results show that both PALs achieve accurate optical power and astigmatism distributions within specified zones. Notably, the optical power deviations between actual and theoretical values remain within ±0.06D around distance and near reference points, with astigmatism controlled below 0.12D in corresponding zones, thereby achieving localized precision control. This method integrates customized zonal distribution with localized accuracy in optical power and astigmatism, providing a design idea for future customized PALs.","PeriodicalId":19691,"journal":{"name":"Optics express","volume":"33 11","pages":"23036-23052"},"PeriodicalIF":3.2,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144294512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Diamond X-ray lens cubes with integrated aberration compensation. 集成像差补偿的金刚石x射线透镜立方体。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-06-02 DOI: 10.1364/OE.562556

Wenxin Wang, Ralph Döhrmann, Stephan Botta, Anders Madsen, Christian G Schroer, Frank Seiboth

{"title":"Diamond X-ray lens cubes with integrated aberration compensation.","authors":"Wenxin Wang, Ralph Döhrmann, Stephan Botta, Anders Madsen, Christian G Schroer, Frank Seiboth","doi":"10.1364/OE.562556","DOIUrl":"https://doi.org/10.1364/OE.562556","url":null,"abstract":"Diamond is a highly suited material for radiation-resistant X-ray optics, particularly for 4th-generation synchrotron radiation sources with high brightness and X-ray free-electron laser (XFEL) facilities operating at high pulse energies. For various imaging applications, critical factors such as spatial resolution, bandwidth flexibility, and compact integration must be addressed in the design of focusing optics. However, the manufacturing process by laser ablation of diamond lenses often leads to residual aberrations and limitations in achievable spot sizes, posing challenges for high-resolution imaging applications. This work introduces an innovative concept of aberration-compensated X-ray lens cubes, composed of bi-concave, two-dimensional diamond lens plates with a 25 µm radius of curvature, fabricated by femtosecond laser ablation. A focal spot size of 52 nm × 51 nm was achieved at 14 keV, with wavefront errors strongly reduced across a wide photon energy range of 14 keV to 20 keV using multiple corrective phase plates. These results demonstrate the strong potential of our approach for nanoimaging applications, advancing high-resolution X-ray focusing capabilities for 4th-generation synchrotron radiation facilities and XFELs.","PeriodicalId":19691,"journal":{"name":"Optics express","volume":"33 11","pages":"22349-22359"},"PeriodicalIF":3.2,"publicationDate":"2025-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144294518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Dual-polarization layered magneto-optic sensor with spatiotemporal thermal-magnetic interference decoupling. 时空热磁干扰去耦的双极化层状磁光传感器。

IF 3.2 2区物理与天体物理

Optics express Pub Date : 2025-06-02 DOI: 10.1364/OE.564033

Jing Zhang, Yan-Song Li, Zhuo-Hang Liang, Mei-Xin Deng, Zi-Ao Zhang, Jun Liu

引用次数: 0