Chinese Optics Letters最新文献_第7页

High-uniformity 2 × 64 silicon avalanche photodiode arrays with silicon multiple epitaxy technology 采用硅多重外延技术的高均匀性2 × 64硅雪崩光电二极管阵列

IF 3.5 2区物理与天体物理

Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.032501

Tiancai Wang, Peng Cao, Hongling Peng, Chuanwang Xu, Hai-Xi Song, Wanhua Zheng

引用次数: 0

Single-layered non-interleaved spin-insensitive metasurfaces for wavefront engineering 用于波前工程的单层非交织自旋不敏感超表面

IF 3.5 2区物理与天体物理

Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.010006

A. Khalid, Naeem Ullah, Yu Han, Urooj Asghar, Xiaocong Yuan, F. Feng

引用次数: 0

Transmissive angle-multiplexed meta-polarizer based on a multilayer metasurface 基于多层超表面的透射角复用元偏振器

IF 3.5 2区物理与天体物理

Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.023603

Chenxi Pu, Zhuo Wang, Shulin Sun, Lei Zhou, Qiong He

{"title":"Transmissive angle-multiplexed meta-polarizer based on a multilayer metasurface","authors":"Chenxi Pu, Zhuo Wang, Shulin Sun, Lei Zhou, Qiong He","doi":"10.3788/col202321.023603","DOIUrl":"https://doi.org/10.3788/col202321.023603","url":null,"abstract":"Metasurfaces have exhibited great capabilities to control electromagnetic waves, and many multifunctional metasurfaces were recently proposed. However, although angle-multiplexed meta-devices were successfully realized in reflection geometries, their transmission-mode counterparts are difficult to achieve due to the additional requirements. Here, we design and fabricate a transmissive angle-multiplexed meta-polarizer in the microwave regime based on a multilayer metasurface. Coupled-mode-theory analyses reveal that the device exhibits distinct angle-dependent transmissive responses under exci-tations with different polarizations, and such differences are further enhanced by multiple scatterings inside the device. Microwave experimental results are in good agreement with numerical simulations and theoretical analyses. dispersions of Fabry – Perot (FP) resonance modes of different polarizations supported by the system. Excellent agreement among microwave experiments, numerical simulations, and theoretical analyses validates our design strategy. Our findings open up a new way to design transmissive angle-multiplexed meta-devices, which may yield many applications in practice.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":null,"pages":null},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75138049","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

Polarization domains and self-mode-locked pulses in an erbium-doped fiber laser 掺铒光纤激光器的偏振域和自锁模脉冲

2区物理与天体物理

Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.031402

Peiyun Cheng, Mengmeng Han, Yueqing Du, Xuewen Shu

引用次数: 2

Recent advances in optical fiber high-temperature sensors and encapsulation technique [Invited] 光纤高温传感器及封装技术研究进展[特邀]

2区物理与天体物理

Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.090007

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{"title":"Recent advances in optical fiber high-temperature sensors and encapsulation technique [Invited]","authors":"æ–‡æ�° å¾�, å¼º å�ž, å»ºæ¡¥ æ¢�, æŒ¯ä¸ž çŽ‹, æ´‹ äºŽ, æ´² åŸ","doi":"10.3788/col202321.090007","DOIUrl":"https://doi.org/10.3788/col202321.090007","url":null,"abstract":"In the aerospace field, for aerospace engines and other high-end manufacturing equipment working in extreme environments, like ultrahigh temperatures, high pressure, and high-speed airflow, in situ temperature measurement is of great importance for improving the structure design and achieving the health monitoring and the fault diagnosis of critical parts. Optical fiber sensors have the advantages of small size, easy design, corrosion resistance, anti-electromagnetic interference, and the ability to achieve distributed or quasi-distributed sensing and have broad application prospects for temperature sensing in extreme environments. In this review, first, we introduce the current research status of fiber Bragg grating-type and Fabry–Perot interferometer-type high-temperature sensors. Then we review the optical fiber high-temperature sensor encapsulation techniques, including tubular encapsulation, substrate encapsulation, and metal-embedded encapsulation, and discuss the extreme environmental adaptability of different encapsulation structures. Finally, the critical technological issues that need to be solved for the application of optical fiber sensors in extreme environments are discussed.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135600391","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

Comparison of optical properties of bioaerosols composed of microbial spores and hyphae [Invited] 微生物孢子与菌丝组成的生物气溶胶光学性质比较[特邀]

2区物理与天体物理

Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.090006

æ–°å®‡ çŽ‹, ä»¥å�Ž èƒ¡, æ˜Ÿ æ�¨, æœ‰æž— é¡¾, æµ·æµ© ä½•, å©‰èŽ¹ ä¸�, é¹� çŽ‹

{"title":"Comparison of optical properties of bioaerosols composed of microbial spores and hyphae [Invited]","authors":"æ–°å®‡ çŽ‹, ä»¥å�Ž èƒ¡, æ˜Ÿ æ�¨, æœ‰æž— é¡¾, æµ·æµ© ä½•, å©‰èŽ¹ ä¸�, é¹� çŽ‹","doi":"10.3788/col202321.090006","DOIUrl":"https://doi.org/10.3788/col202321.090006","url":null,"abstract":"Bioaerosols exhibit significant broadband extinction performance and have vital impacts on climate change, optical detection, communication, disease transmission, and the development of optical attenuation materials. Microbial spores and microbial hyphae represent two primary forms of bioaerosol particles. However, a comprehensive investigation and comparison of their optical properties have not been conducted yet. In this paper, the spectra of spores and hyphae were tested, and the absorption peaks, component contents, and protein structural differences were compared. Accurate structural models were established, and the optical attenuation parameters were calculated. Aerosol chamber experiments were conducted to verify the optical attenuation performance of microbial spores and hyphae in the mid-infrared and far-infrared spectral bands. Results demonstrate that selecting spores and hyphae can significantly reduce the average transmittance from 21.2% to 6.4% in the mid-infrared band and from 31.3% to 19.6% in the far-infrared band within three minutes. The conclusions have significant implications for the selection of high-performance microbial optical attenuation materials as well as for the rapid detection of bioaerosol types in research on climate change and the spread of pathogenic aerosols.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135600392","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

Core-antiresonance-based terahertz cavities and applications [Invited] 基于核反共振的太赫兹空腔及其应用[特邀]

2区物理与天体物理

Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.110005

Yongpeng Han, Yangjun Mei, Chang Liu, Li Lao, Yao Yao, Jiahao Xiao, Jiayu Zhao, Yan Peng

{"title":"Core-antiresonance-based terahertz cavities and applications [Invited]","authors":"Yongpeng Han, Yangjun Mei, Chang Liu, Li Lao, Yao Yao, Jiahao Xiao, Jiayu Zhao, Yan Peng","doi":"10.3788/col202321.110005","DOIUrl":"https://doi.org/10.3788/col202321.110005","url":null,"abstract":"This work presents a brief review of our recent research on an antiresonant mechanism named core antiresonant reflection (CARR), which leads to a broadband terahertz (THz) spectrum output with periodic dips at resonant frequencies after its transmission along a hollow-core tubular structure (e.g., a paper tube). The CARR theory relies only on parameters of the tube core (e.g., the inner diameter) rather than the cladding, thus being distinct from existing principles such as the traditional antiresonant reflection inside optical waveguides (ARROWs). We demonstrate that diverse tubular structures, including cylindrical, polyhedral, spiral, meshy, and notched hollow tubes with either transparent or opaque cladding materials, as well as a thick-walled hole, could indeed become CARR-type resonators. Based on this CARR effect, we also perform various applications, such as pressure sensing with paper-folded THz cavities, force/magnetism-driven chiral polarization modulations, and single-pulse measurements of the angular dispersion of THz beams. In future studies, the proposed CARR method promises to support breakthroughs in multiple fields by means of being extended to more kinds of tubular entities for enhancing their interactions with light waves in an antiresonance manner.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135612367","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

Femtosecond laser filamentation in simulated atmospheric turbulence [Invited] 模拟大气湍流中的飞秒激光细丝[特邀]

2区物理与天体物理

Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.110004

Jiewei Guo, Lu Sun, Yuezheng Wang, Jiayun Xue, Zhi Zhang, Haiyi Liu, Shishi Tao, Wenqi Qian, Pengfei Qi, Lie Lin, Weiwei Liu

引用次数: 0

Integrated diffractive optical neural network with space-time interleaving 时空交织的综合衍射光神经网络

IF 3.5 2区物理与天体物理

Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.091301

Tingzhao Fu, Yuyao Huang, Run Sun, Honghao Huang, Wen Liu, Sigang Yang, Hong-wei Chen

引用次数: 0

Phase dependence of third-order harmonic generation in gases induced by two-color laser field 双色激光场诱导气体中三阶谐波产生的相位依赖性

IF 3.5 2区物理与天体物理

Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.050201

C. Meng, Pan Song, Zhi-Hui Lyu, Xiaowei Wang, Dong-Wen Zhang, Zengxiu Zhao, J. Yuan

引用次数: 0