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2021 Photonics North (PN)最新文献

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In Situ Real Time Measurement of Solids Content Using Hybrid Optical and Gamma-Ray Techniques for Tailings Management 在尾矿管理中使用混合光学和伽马射线技术实时测量固体含量
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597986
J. Zhang, T. Srivastava, B. Yu, T. K. Sraw, A. Feng, W. Wang, X. Liu, C. Kaur, D. Sweeney, J. Pan, S. Patel, M. Z. Islam, R. Fedosejevs, M. Gupta, Y. Tsui, A. Sedgwick, A. Junaid
{"title":"In Situ Real Time Measurement of Solids Content Using Hybrid Optical and Gamma-Ray Techniques for Tailings Management","authors":"J. Zhang, T. Srivastava, B. Yu, T. K. Sraw, A. Feng, W. Wang, X. Liu, C. Kaur, D. Sweeney, J. Pan, S. Patel, M. Z. Islam, R. Fedosejevs, M. Gupta, Y. Tsui, A. Sedgwick, A. Junaid","doi":"10.1109/PN52152.2021.9597986","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597986","url":null,"abstract":"This study reports the development of a real time in situ analyzer for solids content measurement at different depths in oil sands tailings ponds. The analyzer uses an optical light scattering technique for the measurements and a low-level source (below license limits) gamma-ray transmission technique for in situ calibration. The technology has been successfully demonstrated at laboratory-scale, and a prototype is currently being developed for large-scale testing.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"73 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86043135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the stability of 561 nm diode-pumped solid state lasers 561 nm二极管泵浦固体激光器的稳定性研究
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597952
Tyler Kashak, Bing-qiang Zhang, Qianli Ma, Chang-Qing Xu, Stewart Clark, Meenu Kajal
{"title":"Study on the stability of 561 nm diode-pumped solid state lasers","authors":"Tyler Kashak, Bing-qiang Zhang, Qianli Ma, Chang-Qing Xu, Stewart Clark, Meenu Kajal","doi":"10.1109/PN52152.2021.9597952","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597952","url":null,"abstract":"A compact, and low cost CW 561 nm diode pumped solid state (DPSS) yellow laser is proposed and discussed. The laser was built upon an Nd:YAG crystal and an MgO:PPLN crystal as the nonlinear medium. The advantages of MgO:PPLN as well as the stability of the laser and physical origins of the observed effects are discussed.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"9 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90666070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IQ Skew Tolerance Study of Modified Widely Linear Filter in 400 Gbps PM-16QAM System 400gbps PM-16QAM系统中改进型宽线性滤波器的IQ偏差容限研究
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597944
Lakshmi Narayanan Venktasubramani, Rekha Yadav, R. D. Koilpillai, D. Venkitesh
{"title":"IQ Skew Tolerance Study of Modified Widely Linear Filter in 400 Gbps PM-16QAM System","authors":"Lakshmi Narayanan Venktasubramani, Rekha Yadav, R. D. Koilpillai, D. Venkitesh","doi":"10.1109/PN52152.2021.9597944","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597944","url":null,"abstract":"We study the effect of receiver IQ skew in the 448 Gbps PM-16QAM system employing a joint equalizer for polarization demultiplexing, IQ gain and phase imbalance and carrier recovery with a modified widely linear adaptive filter. Through numerical simulations, we show the performance of the joint equalizer algorithm is within the standard HD-FEC limit of 3.8 x 10−3 BER at an OSNR of 24 dB and skew tolerance upto ~ 70% of symbol duration.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"1 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90707830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dual-wavelength Yb:YAP laser with tunability 双波长可调谐Yb:YAP激光器
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597916
R. Akbari, J. Xu, X. Xu, A. Major
{"title":"Dual-wavelength Yb:YAP laser with tunability","authors":"R. Akbari, J. Xu, X. Xu, A. Major","doi":"10.1109/PN52152.2021.9597916","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597916","url":null,"abstract":"Dual-wavelength Yb:YAP laser using an off-axis birefringent filter plate was demonstrated. A wide range of wavelength pairs with spectral separation from 1 nm up to 35 nm could be generated. Such a performance was based on the available broad gain bandwidth of the laser crystal as well as variable free-spectral range of the used filter.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"5 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87315471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the Absorption Spectrum in Mid-IR Range Using Concentric Tubes Metamaterial Structures 同心管超材料结构中红外吸收光谱的研究
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597918
M. Abouelatta, Muhammad A. Othman, M. Desouky, A. Mahmoud, M. Swillam
{"title":"Study of the Absorption Spectrum in Mid-IR Range Using Concentric Tubes Metamaterial Structures","authors":"M. Abouelatta, Muhammad A. Othman, M. Desouky, A. Mahmoud, M. Swillam","doi":"10.1109/PN52152.2021.9597918","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597918","url":null,"abstract":"We theoretically propose Si based concentric tubes meta material absorber, comprised from consecutive concentric tubes of intrinsic Si and doped Si (D-Si) layers. Our proposed structure exhibits broadband performance within the mid IR wavelength range extending from 3 to 7 μm with an absorption more than 0.89 in case of S-polarized incident light. The proposed design reveals new avenues to realize Si/D-Si concentric tubes metamaterial absorber for mid IR photo detection and mid IR thermal harvesting applications.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"14 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82447112","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Extremely Efficient and Compact Long-Wavelength Cut-Off Plasmonic Filter based on Stepped Impedance Resonators 基于阶跃阻抗谐振器的高效、紧凑的长波截止等离子体滤波器
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597972
Seyed Morteza Ebadi, Jonas Örtegren
{"title":"An Extremely Efficient and Compact Long-Wavelength Cut-Off Plasmonic Filter based on Stepped Impedance Resonators","authors":"Seyed Morteza Ebadi, Jonas Örtegren","doi":"10.1109/PN52152.2021.9597972","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597972","url":null,"abstract":"We report the design and numerical results of a miniaturized and efficient plasmonic cut-off filter that is based on stepped impedance resonators and operates at telecom wavelengths.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"42 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80506784","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Speckled illumination HiLo microscopy for fast calcium imaging of zebrafish brain 斑马鱼脑快速钙成像的斑点照明HiLo显微镜
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9598001
Valérie Pineau Noël, Maxence Larose, Quentin Perry-Auger, P. De Koninck, D. Côté
{"title":"Speckled illumination HiLo microscopy for fast calcium imaging of zebrafish brain","authors":"Valérie Pineau Noël, Maxence Larose, Quentin Perry-Auger, P. De Koninck, D. Côté","doi":"10.1109/PN52152.2021.9598001","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9598001","url":null,"abstract":"Studying the cellular activity of the brain requires good spatial and temporal resolutions and most importantly optical sectioning, but current imaging systems can become quite expensive, need special care or do not have all the required properties. In addition, the FOV is reduced to reach reasonable acquisition speed, which prevents whole-brain imaging. Here, we present HiLo microscopy to acquire volumetric activity of the zebrafish brain in vivo. This project focuses on improving our knowledge of the brain-gut-microbiota axis in a living organism.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"1 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89798430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Control of Focused Laser Beams with Different Spatial Polarization 不同空间偏振聚焦激光束的控制
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597915
A. Degtyarev, M. Dubinin, O. Gurin, V. Maslov, K. Muntean, V. Ryabyh, V. Senyuta
{"title":"Control of Focused Laser Beams with Different Spatial Polarization","authors":"A. Degtyarev, M. Dubinin, O. Gurin, V. Maslov, K. Muntean, V. Ryabyh, V. Senyuta","doi":"10.1109/PN52152.2021.9597915","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597915","url":null,"abstract":"The possibility for changing the parameters of the focal region of tightly focused laser beams excited by the modes of resonator of a THz laser based on a hollow circular dielectric waveguide was studied theoretically and experimentally. In the experiment, the focusing system was a short-focus lens with the central region covered by absorbing masks. The focal area parameters were changed by varying the size of the masks. The electric field components of the modes under study were theoretically calculated using the integral Rayleigh-Sommerfeld transformations under the non-paraxial approximation. The use of absorbing masks made it possible to reduce the beam diameter in the focal region and increase the depth of focus of the linearly polarized EH11-mode and azimuthally polarized TE01-mode.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"39 1","pages":"1-1"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89867706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photonics made to order: reverse micelle templating as a universal approach to functional nanoparticles 光子学订制:反胶束模板作为一种通用的功能纳米粒子方法
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597948
M. Munir, R. Arbi, P. Oliveria, Lok Shu Hui, Matt Bumstead, G. Hanta, K. Liang, Amr Ibrahim, Hyeonghwa Yu, A. Turak
{"title":"Photonics made to order: reverse micelle templating as a universal approach to functional nanoparticles","authors":"M. Munir, R. Arbi, P. Oliveria, Lok Shu Hui, Matt Bumstead, G. Hanta, K. Liang, Amr Ibrahim, Hyeonghwa Yu, A. Turak","doi":"10.1109/PN52152.2021.9597948","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597948","url":null,"abstract":"A brief overview of reverse micelle templating as a universal route to solution processed nanoparticles for optical, optoelectronic and photonic applications. Understanding salt complexation, micellar stability, and nanoparticle spatial distribution allows tailoring of nanoparticle structure, composition and size to achieve high performance devices","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"65 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76077471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Spin-Orbit Interactions of Light in Photonic Materials 光子材料中光的自旋轨道相互作用
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597907
G. Puentes
{"title":"Spin-Orbit Interactions of Light in Photonic Materials","authors":"G. Puentes","doi":"10.1109/PN52152.2021.9597907","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597907","url":null,"abstract":"In this talk, I will present recent advances in Spin Orbit Interactions (SOIs) of light in photonic materials. In particular, I will review current progress in Spin Hall Effect (SHE) of light and Spin Orbit Conversion (SOC) of light in 2D meta materials and metasurfaces. Furthermore, I will present an overview of exciting future directions for applications of SOIs of light in next-generation photonic devices, as fundamental constituents of the fast growing field of photonic precision metrology and sensing.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"31 1","pages":"1-2"},"PeriodicalIF":0.0,"publicationDate":"2021-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78579288","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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