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2021 Photonics North (PN)最新文献

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When Mathematical Model of Digital Image Sensor Can Be Not Correct: A Methodological Consideration 数字图像传感器数学模型不正确时的方法学思考
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597902
K. Grebenyuk
{"title":"When Mathematical Model of Digital Image Sensor Can Be Not Correct: A Methodological Consideration","authors":"K. Grebenyuk","doi":"10.1109/PN52152.2021.9597902","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597902","url":null,"abstract":"This research reveals methodological reasons underlying regular appearance of incorrect mathematical models of digital image sensor in academic literature.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"31 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":"77528176","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
Designing a Wavelength-Swept Raman Spectroscopy System for Optical Guidance Neurosurgery 面向神经外科光学导向的扫波长拉曼光谱系统设计
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597936
Elahe Parham, Daniel C. Côté
{"title":"Designing a Wavelength-Swept Raman Spectroscopy System for Optical Guidance Neurosurgery","authors":"Elahe Parham, Daniel C. Côté","doi":"10.1109/PN52152.2021.9597936","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597936","url":null,"abstract":"Raman spectroscopy has been used for disease diagnosis in cancer research and brain research. The purpose of the present paper is to show a proof-of-concept for a swept-source setup for real-time in vivo Raman spectroscopy at high speed with high signal to noise ratio. The obtained Raman spectrum could be used to differentiate brain regions such as white and grey matter, providing guidance information during deep brain stimulation neurosurgery to treat Parkinson disease.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"106 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":"87927256","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
Femtosecond laser-assisted wet etching of Nd:Y AG crystals for photonics waveguide fabrication 飞秒激光辅助湿法蚀刻Nd: yag晶体用于光子波导制造
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597849
T. Lipateva, A. Okhrimchuk, A. Lipatiev, S. Lotarev, V. Sigaev
{"title":"Femtosecond laser-assisted wet etching of Nd:Y AG crystals for photonics waveguide fabrication","authors":"T. Lipateva, A. Okhrimchuk, A. Lipatiev, S. Lotarev, V. Sigaev","doi":"10.1109/PN52152.2021.9597849","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597849","url":null,"abstract":"We report the effect of the pulse energy and laser beam scanning speed variation on control and intensification of the femtosecond laser-assisted wet etching of Nd:YAG crystals resulting in the fabrication of hollow tracks. Applying the optimized laser exposure parameters enables an increase of the etching rates at the initial stages","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"43 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":"85239463","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
Saturable Absorption in Erbium-doped Fiber and Optical Bistability in Erbium-doped Fiber Ring Laser 掺铒光纤的可饱和吸收与掺铒光纤环形激光器的光双稳性
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597896
Deeksha Jachpure, R. Vijaya
{"title":"Saturable Absorption in Erbium-doped Fiber and Optical Bistability in Erbium-doped Fiber Ring Laser","authors":"Deeksha Jachpure, R. Vijaya","doi":"10.1109/PN52152.2021.9597896","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597896","url":null,"abstract":"Saturable absorption in erbium-doped fiber is presented through absorption measurements using a tunable laser and variable power. Its consequent optical bistability is also observed in erbium-doped fiber ring laser with long lengths of the fiber. Higher absorption at shorter wavelengths enables a wider bistable range.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"6 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":"90143690","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
Spectral broadening of sub-μJ Ytterbium laser pulses in cadmium sulfide crystal with subsequent filtering by frequency doubling 亚μ j镱激光脉冲在硫化镉晶体中经倍频滤波后的光谱展宽
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597979
J. E. Nkeck, L. Guiramand, X. Ropagnol, F. Blanchard
{"title":"Spectral broadening of sub-μJ Ytterbium laser pulses in cadmium sulfide crystal with subsequent filtering by frequency doubling","authors":"J. E. Nkeck, L. Guiramand, X. Ropagnol, F. Blanchard","doi":"10.1109/PN52152.2021.9597979","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597979","url":null,"abstract":"We experimentally report on the spectral broadening of lasers pulses from an Ytterbium (Yb) laser with 0.8μJ energy level via self-phase modulation in cadmium sulfide (CdS) semiconductor crystal. Then, by frequency doubling the pulse into a beta barium borate crystal (BBO), the spatial beam profile is cleaned out while maintaining the bandwidth enhancement. At the end, the laser pulse, around 512 nm, is compressed up to 45 fs using two standard transmissive grating resulting in a pulse compression factor of 6.13.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"27 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":"76656802","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
High Gain Thulium-Doped Tellurium Oxide Waveguide Amplifier for Optical Communication in the $2-mu mathrm{m}$ Window $2-mu mathm {m}$窗口光通信高增益掺铥氧化碲波导放大器
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597901
K. M. Kiani, Henry Frankic, R. Mateman, A. Leinse, A. Knights, J. Bradley
{"title":"High Gain Thulium-Doped Tellurium Oxide Waveguide Amplifier for Optical Communication in the $2-mu mathrm{m}$ Window","authors":"K. M. Kiani, Henry Frankic, R. Mateman, A. Leinse, A. Knights, J. Bradley","doi":"10.1109/PN52152.2021.9597901","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597901","url":null,"abstract":"In this work, we present on a thulium-doped tellurium oxide (TeO2:Tm3+) waveguide amplifier on a silicon nitride (Si3N4) waveguide platform with 14.7 $text{dB}$ internal net gain at 1870 nm under 1607 nm pumping, corresponding to 2.96 dB/cm. Gain measurements were carried out in straight, paperclip and 5-cm-long spiral waveguides realized on a 1.0-cm-long chip. The device is fabricated using CMOS-compatible and wafer-scale processing steps, enabling compatibility with existing photonic integrated circuit (PIC) technology.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"203 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":"76963391","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
Hyperspectral Stimulated Raman Scattering Image Enhancement, Denoising and Segmentation via a Deep Neural-Net 基于深度神经网络的高光谱受激拉曼散射图像增强、去噪和分割
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597933
Pedram Abdolghader, A. Ridsdale, T. Grammatikopoulos, F. Légaré, A. Stolow, A. Pegoraro, Isaac Tamblyn
{"title":"Hyperspectral Stimulated Raman Scattering Image Enhancement, Denoising and Segmentation via a Deep Neural-Net","authors":"Pedram Abdolghader, A. Ridsdale, T. Grammatikopoulos, F. Légaré, A. Stolow, A. Pegoraro, Isaac Tamblyn","doi":"10.1109/PN52152.2021.9597933","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597933","url":null,"abstract":"We demonstrate the use of an unsupervised convolutional autoencoder neural network to denoise and segment hyperspectral Stimulated Raman Scattering images.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"78 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":"82848934","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
Infrared Metasurfaces and Artificial Intelligence for Monitoring Dynamics between Biomolecules 红外超表面与人工智能用于生物分子间动态监测
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597919
Aurelian John-Herpin, Deepthy Kavungal, Lea von Mücke, H. Altug
{"title":"Infrared Metasurfaces and Artificial Intelligence for Monitoring Dynamics between Biomolecules","authors":"Aurelian John-Herpin, Deepthy Kavungal, Lea von Mücke, H. Altug","doi":"10.1109/PN52152.2021.9597919","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597919","url":null,"abstract":"Highly sensitive, broadband mid-IR metasurfaces for spectroscopy are augmented with artificial intelligence to allow the label-free and chemically-specific monitoring of biomolecules from all major classes. This pioneering bioanalytical technology offers unprecedented opportunities for unravelling complex biomolecular processes.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"285 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":"73242371","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
Optimized Design of Tellurium Oxide Coated Subwavelength Grating Metamaterial Waveguides 氧化碲涂层亚波长光栅超材料波导的优化设计
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597976
C. M. Naraine, J. Miller, H. Frankis, P. Mascher, A. Knights, J. Bradley, J. Schmid, P. Cheben
{"title":"Optimized Design of Tellurium Oxide Coated Subwavelength Grating Metamaterial Waveguides","authors":"C. M. Naraine, J. Miller, H. Frankis, P. Mascher, A. Knights, J. Bradley, J. Schmid, P. Cheben","doi":"10.1109/PN52152.2021.9597976","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597976","url":null,"abstract":"We report on the design of subwavelength grating metamaterial waveguides coated with tellurium oxide on a silicon-on-insulator platform. We discuss our design optimization that led to substantial improvements of modal overlap with the optically active cladding.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"48 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":"80297710","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
Single-pixel structured light profilometry 单像素结构光轮廓术
2021 Photonics North (PN) Pub Date : 2021-05-31 DOI: 10.1109/PN52152.2021.9597999
P. Kilcullen, Cheng Jiang, T. Ozaki, Jinyang Liang
{"title":"Single-pixel structured light profilometry","authors":"P. Kilcullen, Cheng Jiang, T. Ozaki, Jinyang Liang","doi":"10.1109/PN52152.2021.9597999","DOIUrl":"https://doi.org/10.1109/PN52152.2021.9597999","url":null,"abstract":"We present a single-pixel (SP) imaging system, based on two digital micromirror devices (DMDs), capable of acquiring three-dimensional (3D) images which, in contrast to previous methods, does not require either high detector bandwidth, nor knowledge of surface scattering properties. By using the method of fringe projection profilometry (FPP), we extend well-known structured light methods towards realization on a single-pixel imaging platform.","PeriodicalId":6789,"journal":{"name":"2021 Photonics North (PN)","volume":"696 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":"77923362","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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