Optical Review最新文献

Enhancement of spatial noise tolerance in single-pixel imaging with a feature-extended deep neural network 基于特征扩展深度神经网络的单像素图像空间噪声容忍度增强

IF 0.9 4区物理与天体物理

Optical Review Pub Date : 2025-09-08 DOI: 10.1007/s10043-025-00991-y

Taku Hoshizawa, Shinjiro Kodama, Chihiro Sato, Tomoaki Mizoguchi, Moe Sakurai, Eriko Watanabe

{"title":"Enhancement of spatial noise tolerance in single-pixel imaging with a feature-extended deep neural network","authors":"Taku Hoshizawa, Shinjiro Kodama, Chihiro Sato, Tomoaki Mizoguchi, Moe Sakurai, Eriko Watanabe","doi":"10.1007/s10043-025-00991-y","DOIUrl":"10.1007/s10043-025-00991-y","url":null,"abstract":"<div><p>To compensate for time-fluctuating spatial noise and reconstruct an object image, a deep learning-based single-pixel imaging (SPI) system using a neural network consisting of five transposed convolutional layers and three convolutional layers has been developed. In the present study, we proposed a new image reconstruction method using deep learning with a feature-extended time-division pattern-learning (TDPL) network, which further increased the number of features in each layer to enhance the tolerance to time-fluctuating spatial noise. Simulations and experiments were performed to compare the performance of the proposed network with that of conventional methods, such as computational ghost imaging, Hadamard single-pixel imaging, deep convolutional auto-encoder network (DCAN), and TDPL network. We found that the image quality of the reconstructed image using the proposed method is superior to that of conventional methods in any environment with time-fluctuating spatial noise. For example, the quality of an object image reconstructed using the proposed method improved by − 0.037 and − 0.014 in a root-mean-square error and + 0.083 and + 0.005 in a structural similarity compared to that using the DCAN and TDPL network, respectively, under time-fluctuating spatial noise with a standard deviation of 0.5. Therefore, the proposed deep learning-based SPI system with a feature-extended TDPL network is expected to be applied to various imaging or observation in an environment where conditions are likely to change, such as astronomical observations, remote monitoring, and optical wireless communications.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 4","pages":"582 - 591"},"PeriodicalIF":0.9,"publicationDate":"2025-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145009522","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

Deep-learning-based rapid wavefront sensor using a line-scan camera 基于深度学习的快速波前传感器，采用线扫描相机

IF 1.2 4区物理与天体物理

Optical Review Pub Date : 2025-09-01 DOI: 10.1007/s10043-025-00999-4

Yohei Nishizaki, Katsuhisa Kitaguchi, Mamoru Saito, Jun Tanida

引用次数: 0

Pupil expansion prism and beam splitter array waveguide for high luminance and high resolution head-mounted display 用于高亮度和高分辨率头戴式显示器的瞳孔扩展棱镜和分束器阵列波导

IF 0.9 4区物理与天体物理

Optical Review Pub Date : 2025-08-18 DOI: 10.1007/s10043-025-00997-6

Toshiteru Nakamura, Takuma Kuno, Ryuji Ukai

{"title":"Pupil expansion prism and beam splitter array waveguide for high luminance and high resolution head-mounted display","authors":"Toshiteru Nakamura, Takuma Kuno, Ryuji Ukai","doi":"10.1007/s10043-025-00997-6","DOIUrl":"10.1007/s10043-025-00997-6","url":null,"abstract":"<div><p>Head-mounted displays (HMDs) for augmented reality (AR) require optical systems that deliver high luminance, high optical see-through performance, and high image resolution. Conventional two-directional pupil expansion using beam splitter array (BSA) waveguides often suffers from low light coupling efficiency and degraded image quality due to narrow coupling mirrors and wavefront disturbances caused by exposed mirror edges along the total internal reflection surface. We propose a novel HMD optical system that combines a pupil expansion (PE) prism with a one-directional BSA waveguide. The PE prism features an enlarged coupling surface, efficiently capturing light from the light engine. Importantly, the PE prism is designed to avoid exposed mirror edges in the optical path, thereby eliminating wavefront disturbances and enabling high-resolution virtual image projection. Within the PE prism, multiple ray paths are generated through complex reflections and transmissions via overlapping multi-mirrors. This multi-path propagation not only expands the eye-box orthogonally to the BSA waveguide, but also ensures uniform output luminance. A prototype HMD implementing the proposed method achieves high luminance (over 5000 cd/m<sup>2</sup>), high image resolution (MTF > 58% at 10 cycles/degree), high optical see-through transparency (over 94%), and luminance uniformity (over 53%). These results demonstrate significant improvements over conventional BSA waveguide approaches.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 4","pages":"638 - 647"},"PeriodicalIF":0.9,"publicationDate":"2025-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930839","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

The interference of the evanescent mode of two Airy beams in near field 两艾里光束在近场中倏逝模式的干涉

IF 0.9 4区物理与天体物理

Optical Review Pub Date : 2025-08-03 DOI: 10.1007/s10043-025-00995-8

Ze Wang, Zhengling Wang

引用次数: 0

Tailoring plasmonic and nonlinear optical response in ZnSe-based core–shell nanocomposites: influence of shell thickness and host matrix permittivity znse基核-壳纳米复合材料的等离子体和非线性光学响应：壳层厚度和基体介电常数的影响

IF 0.9 4区物理与天体物理

Optical Review Pub Date : 2025-08-01 DOI: 10.1007/s10043-025-00996-7

Shewa Getachew Mamo

{"title":"Tailoring plasmonic and nonlinear optical response in ZnSe-based core–shell nanocomposites: influence of shell thickness and host matrix permittivity","authors":"Shewa Getachew Mamo","doi":"10.1007/s10043-025-00996-7","DOIUrl":"10.1007/s10043-025-00996-7","url":null,"abstract":"<div><p>This study presents a theoretical and numerical investigation of local field enhancement and optical bistability in ZnSe-based core–shell nanocomposites, providing insights for photonic applications. The structures consist of a ZnSe dielectric core and a metallic shell of either silver (<span>(textrm{Ag})</span>) or gold (<span>(textrm{Au})</span>), embedded in oxide matrices (<span>(textrm{SiO}_2)</span>, <span>(textrm{ZnO})</span>, or <span>(textrm{HFO}_2)</span>) with varying permittivities. Using the quasi-static approximation and the Lorentz–Drude model, we analyze how variations in the core radius (keeping the outer radius fixed) influence spectral response and local field enhancement. Results show that smaller cores (thicker shells) yield stronger local field enhancement factors (<span>(textrm{LFEF})</span>) due to increased plasmonic confinement. Ag shells produce sharper, more intense resonances than Au, attributed to lower damping and superior plasmonic performance. The dielectric environment also plays a key role: low-permittivity matrices like <span>(textrm{SiO}_2)</span> support higher field localization, while high-permittivity ones such as <span>(textrm{HFO}_2)</span> weaken confinement and blue-shift the resonances. Nonlinear analysis reveals that thicker shells and lower matrix permittivity enhance bistability and reduce switching thresholds, particularly in Ag-based systems. These findings highlight the critical influence of geometry and material choice on both linear and nonlinear optical responses. The results offer practical guidance for engineering core–shell nanocomposites tailored for applications in photonic devices, optical sensors, and all-optical switching.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 4","pages":"619 - 630"},"PeriodicalIF":0.9,"publicationDate":"2025-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930840","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

New periodic wave solution for time-fractional perturbed nonlinear Schrödinger equation arising in optical fiber via newly extended mapping scheme 光纤中时间分数阶摄动非线性Schrödinger方程的新周期波解

IF 0.9 4区物理与天体物理

Optical Review Pub Date : 2025-07-31 DOI: 10.1007/s10043-025-00994-9

Loubna Ouahid, M. A. Abdou, Dhafer O. Alshahrani, Ali Akgül

引用次数: 0

Self-supervised neural reconstructions for lensless imaging 无透镜成像的自监督神经重建

IF 0.9 4区物理与天体物理

Optical Review Pub Date : 2025-07-30 DOI: 10.1007/s10043-025-00992-x

Jose Reinaldo Cunha Santos Aroso Vieira Silva Neto, Hodaka Kawachi, Yasushi Yagi, Tomoya Nakamura

引用次数: 0

Design and performance of photon counting detector with charge coupling delay-line readout 电荷耦合延迟线读出光子计数探测器的设计与性能

IF 0.9 4区物理与天体物理

Optical Review Pub Date : 2025-07-29 DOI: 10.1007/s10043-025-00982-z

Yalong Zhang, Yongan Liu, Xianghui Yang, Zhe Liu, Lizhi Sheng, Yue Li

引用次数: 0

Robust multibook recording with signal beam phase optimization based on Gerchberg–Saxton algorithm for holographic data storage 基于Gerchberg-Saxton算法的全息数据存储信号波束相位优化鲁棒多本记录

IF 0.9 4区物理与天体物理

Optical Review Pub Date : 2025-07-28 DOI: 10.1007/s10043-025-00989-6

Makoto Hosaka, Ryushi Fujimura

{"title":"Robust multibook recording with signal beam phase optimization based on Gerchberg–Saxton algorithm for holographic data storage","authors":"Makoto Hosaka, Ryushi Fujimura","doi":"10.1007/s10043-025-00989-6","DOIUrl":"10.1007/s10043-025-00989-6","url":null,"abstract":"<div><p>Owing to the rapid growth of digital information, demand for archival storage with high data transfer rate, large capacity, longevity, low power consumption, and low running cost has surged. Although holographic data storage (HDS) is considered as a promising candidate for next-generation archival storage due to its potential in these areas, it has not been released commercially due to difficulties in stable recording and reproduction across the whole recording area or multibook area. In this study, we proposed a robust multibook recording technique based on signal beam phase optimization using the Gerchberg–Saxton (GS) algorithm. We optimized the target distribution of the signal beam amplitude at the Fourier plane for the GS algorithm, considering the hologram recording and reproduction characteristics, such as DC suppression, inter-book-interference (IBI) reduction, and the signal-to-noise ratio (SNR). Optical simulation of multibook recording and reproduction shows that IBI can be properly reduced, and sufficient SNR can be retained even if 13.6% book misalignments occur during recording. In addition, combining the proposed technique with an accurate book alignment method could increase the HDS capacity by 33.9%.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 4","pages":"650 - 663"},"PeriodicalIF":0.9,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10043-025-00989-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930844","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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

Noncontact detection of underwater ultrasound using laser light based on the self-coupling effect of a semiconductor laser 基于半导体激光器自耦合效应的激光水下超声非接触探测

IF 0.9 4区物理与天体物理

Optical Review Pub Date : 2025-07-26 DOI: 10.1007/s10043-025-00983-y

Keisuke Fukuyama, Norio Tsuda, Daisuke Mizushima

{"title":"Noncontact detection of underwater ultrasound using laser light based on the self-coupling effect of a semiconductor laser","authors":"Keisuke Fukuyama, Norio Tsuda, Daisuke Mizushima","doi":"10.1007/s10043-025-00983-y","DOIUrl":"10.1007/s10043-025-00983-y","url":null,"abstract":"<div><p>When a hydrophone with a vibrating membrane is placed in water, the ultrasonic waves to be detected diffract and reflect. Therefore, conventional hydrophones cannot accurately measure the sound field distribution. Another noncontact method for measuring the sound field distribution is the Schlieren method. However, this method requires meticulous optical axis adjustment using a Schlieren lens and a knife edge, and this method is not versatile. Therefore, a laser hydrophone, which uses the self-coupling effect of a semiconductor laser to detect ultrasonic waves without contact with the sound field, is developed, and the sound field is investigated. The optical system of the laser hydrophone is composed of only a few components. In addition, because ultrasonic waves can be detected using only a small amount of light, no optical axis adjustment is necessary. The frequency response of the laser hydrophone is flat. The upper limit of the detectable frequency is determined by the relationship between the large diameter of the laser beam and the frequency of the ultrasonic waves. The measured sound pressure distribution of the laser hydrophone qualitatively agreed with that of the simulation.</p></div>","PeriodicalId":722,"journal":{"name":"Optical Review","volume":"32 3","pages":"557 - 566"},"PeriodicalIF":0.9,"publicationDate":"2025-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144930494","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