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2019 Photonics North (PN)最新文献

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Surface Role in Laser-Induced Forward Transfer Applications 激光诱导正向转移应用中的表面作用
2019 Photonics North (PN) Pub Date : 2019-05-01 DOI: 10.1109/PN.2019.8819502
L. Kallepalli, Alan T. K. Godfrey, Jesse Ratté, Z. Jakubek, P. Corkum
{"title":"Surface Role in Laser-Induced Forward Transfer Applications","authors":"L. Kallepalli, Alan T. K. Godfrey, Jesse Ratté, Z. Jakubek, P. Corkum","doi":"10.1109/PN.2019.8819502","DOIUrl":"https://doi.org/10.1109/PN.2019.8819502","url":null,"abstract":"We report ultrafast laser-induced spectroscopic and morphological changes in polyimide thin film. We extend these studies to the key role played by the surface in contaminant-free Laser-Induced Forward Transfer technique.","PeriodicalId":448071,"journal":{"name":"2019 Photonics North (PN)","volume":"157 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115179058","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
Optimization of Nonlinear Optical Properties of Tellurium-Oxide-Coated Silicon Nitride Waveguides 氧化碲包覆氮化硅波导非线性光学性能的优化
2019 Photonics North (PN) Pub Date : 2019-05-01 DOI: 10.1109/PN.2019.8819551
H. Mbonde, H. Frankis, J. Bradley
{"title":"Optimization of Nonlinear Optical Properties of Tellurium-Oxide-Coated Silicon Nitride Waveguides","authors":"H. Mbonde, H. Frankis, J. Bradley","doi":"10.1109/PN.2019.8819551","DOIUrl":"https://doi.org/10.1109/PN.2019.8819551","url":null,"abstract":"We propose designs of silicon nitride (Si<inf>3</inf>N<inf>4</inf> waveguides with optimized nonlinear parameter by addition of tellurium oxide (TeO<inf>2</inf>) top-cladding layers of various thicknesses. The proposed waveguides have calculated nonlinear parameters of up to five times that of stoichiometric Si<inf>3</inf>N<inf>4</inf> and exhibit anomalous group velocity dispersion at near infrared wavelength.","PeriodicalId":448071,"journal":{"name":"2019 Photonics North (PN)","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121536338","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
Time-Delay Integration EMCCD 延时集成EMCCD
2019 Photonics North (PN) Pub Date : 2019-05-01 DOI: 10.1109/PN.2019.8819569
O. Daigle, Jérémy Turcotte, Y. Gosselin, Alex Saint-Amant Lamy
{"title":"Time-Delay Integration EMCCD","authors":"O. Daigle, Jérémy Turcotte, Y. Gosselin, Alex Saint-Amant Lamy","doi":"10.1109/PN.2019.8819569","DOIUrl":"https://doi.org/10.1109/PN.2019.8819569","url":null,"abstract":"Scientific EMCCD cameras are the detector of choice for extreme low-light conditions. With photon counting capabilities, sub-electron readout noise and low dark current, EMCCDs can detect very faint signals. Traditionally, EMCCD are operated in frame-transfer mode where the image is integrated in the light-sensitive region of the sensor and then quickly transferred to a storage array before being read out. Time-Delay Integration (TDI) is a specialized readout mode optimized to image fast moving objects while preserving light sensitivity. By shifting the photoelectrons simultaneously to the movement of the object, TDI effectively increases the integration time available to collect light. The newest version of Nüvü Caméras’ CCD Controller for Counting Photons (CCCP) will allow operating EMCCD detectors using TDI readout mode with either internal or external trigger sources at more than 100k lines per second. The combination of TDI and EMCCD technologies represents a new leap for extreme low-light imaging in fast moving conditions opening EMCCD to a range of new applications.","PeriodicalId":448071,"journal":{"name":"2019 Photonics North (PN)","volume":"146 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115017316","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
Exoplanetary Atmosphere Spectroscopy using Silicon Waveguide Ring Resonators 使用硅波导环形谐振器的系外行星大气光谱
2019 Photonics North (PN) Pub Date : 2019-05-01 DOI: 10.1109/PN.2019.8819557
R. Cheriton, A. Densmore, M. K. Dezfouli, D. Melati, Danxia Xu, J. Schmid, J. Lapointe, P. Cheben, L. Simard, S. Janz, S. Sivanandam, E. Mooij
{"title":"Exoplanetary Atmosphere Spectroscopy using Silicon Waveguide Ring Resonators","authors":"R. Cheriton, A. Densmore, M. K. Dezfouli, D. Melati, Danxia Xu, J. Schmid, J. Lapointe, P. Cheben, L. Simard, S. Janz, S. Sivanandam, E. Mooij","doi":"10.1109/PN.2019.8819557","DOIUrl":"https://doi.org/10.1109/PN.2019.8819557","url":null,"abstract":"We present a correlation spectrometer using a silicon waveguide ring resonator for the identification of molecules in stellar and planetary atmospheres. We tailor the free spectral range of a ring resonator to the vibronic overtones of carbon dioxide in the near infrared. The ring resonator spectrum is modulated via the thermo-optic effect and produces a detection signal unique to carbon dioxide. This spectrometer can be used for real-time remote gas detection and radial velocities of exoplanets in a narrow spectral band.","PeriodicalId":448071,"journal":{"name":"2019 Photonics North (PN)","volume":"CFP1909V-ART 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131345887","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
Comparison of Deep Learning Architectures for Pre-Screening of Breast Cancer Thermograms 乳腺癌热像图预筛选的深度学习架构比较
2019 Photonics North (PN) Pub Date : 2019-05-01 DOI: 10.1109/PN.2019.8819587
Juan Carlos Torres-Galván, E. Guevara, F. J. González
{"title":"Comparison of Deep Learning Architectures for Pre-Screening of Breast Cancer Thermograms","authors":"Juan Carlos Torres-Galván, E. Guevara, F. J. González","doi":"10.1109/PN.2019.8819587","DOIUrl":"https://doi.org/10.1109/PN.2019.8819587","url":null,"abstract":"Infrared thermography can be used for pre-screening of breast cancer but the results of this technique depend on the experience of the human expert. We propose an automated analysis approach to assess the capabilities of deep neural networks to classify breast thermograms. The dataset consisted of 173 images and we compared seven deep learning architectures. VGG-16 convolutional neural network outperformed with a sensitivity of 100%, specificity of 82.35% and balanced accuracy of 91.18%. Such results indicate that deep neural networks can be used in the analysis of thermal images for breast cancer pre-screening.","PeriodicalId":448071,"journal":{"name":"2019 Photonics North (PN)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114629947","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: 14
High Capacity Mode Division Multiplexed Photonic Millimeter-Wave Over Fiber Fronthaul Architecture 高容量模分多路光子毫米波光纤前传架构
2019 Photonics North (PN) Pub Date : 2019-05-01 DOI: 10.1109/PN.2019.8819549
K. Zeb, Xiupu Zhang, Zhenguo Lu, Jiaren Liu
{"title":"High Capacity Mode Division Multiplexed Photonic Millimeter-Wave Over Fiber Fronthaul Architecture","authors":"K. Zeb, Xiupu Zhang, Zhenguo Lu, Jiaren Liu","doi":"10.1109/PN.2019.8819549","DOIUrl":"https://doi.org/10.1109/PN.2019.8819549","url":null,"abstract":"In this paper, we propose a high capacity multipleinput-multiple-output (MIMO) enabled all-optical analog-millimeter-wave-over-fiber (A-MMWoF) mobile fronthaul architecture employing mode division multiplexing (MDM) along with wavelength division multiplexing (WDM) for 5G and beyond of wireless networks. The proposed design is flexible and scalable for achieving high capacity, high speed and low latency fronthaul links.","PeriodicalId":448071,"journal":{"name":"2019 Photonics North (PN)","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115405835","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
Differences between foetal and adult meniscus and cartilage revealed by Polarization Second Harmonic Generation Microscopy 偏振二次谐波显微镜观察胎儿和成人半月板和软骨的差异
2019 Photonics North (PN) Pub Date : 2019-05-01 DOI: 10.1109/PN.2019.8819544
M. Pinsard, H. Richard, J. Dubuc, S. Laverty, M. Schanne-Klein, F. Légaré
{"title":"Differences between foetal and adult meniscus and cartilage revealed by Polarization Second Harmonic Generation Microscopy","authors":"M. Pinsard, H. Richard, J. Dubuc, S. Laverty, M. Schanne-Klein, F. Légaré","doi":"10.1109/PN.2019.8819544","DOIUrl":"https://doi.org/10.1109/PN.2019.8819544","url":null,"abstract":"The characterization of foetal or adult meniscus and cartilage by Polarization Second Harmonic Generation (P- SHG) and standard SHG is presented. Large differences of structure and collagen fibril orientation are revealed. This work can help the understanding of the structure of meniscal fibrocartilage and articular cartilage and their degeneration processes.","PeriodicalId":448071,"journal":{"name":"2019 Photonics North (PN)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115674936","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
Continuous-variable entangled states in a lossy CROW 有耗克罗中的连续变量纠缠态
2019 Photonics North (PN) Pub Date : 2019-05-01 DOI: 10.1109/PN.2019.8819586
H. Seifoory, L. Helt, J. Sipe, M. Dignam
{"title":"Continuous-variable entangled states in a lossy CROW","authors":"H. Seifoory, L. Helt, J. Sipe, M. Dignam","doi":"10.1109/PN.2019.8819586","DOIUrl":"https://doi.org/10.1109/PN.2019.8819586","url":null,"abstract":"We theoretically model the counterpropagating entangled states generated in vertically-pumped, lossy, coupled resonator optical waveguides and use the model to investigate the effects of the loss on the propagation of the entangled states for different pump parameters.","PeriodicalId":448071,"journal":{"name":"2019 Photonics North (PN)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114416681","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
iPDT for Glioblastoma Multiforme Management: Dosimetric Enhancements 多形性胶质母细胞瘤的iPDT治疗:剂量学增强
2019 Photonics North (PN) Pub Date : 2019-05-01 DOI: 10.1109/PN.2019.8819600
Daniel Molenhuis, Carl J. Fisher, M. A. Munegowda, A. Mandel, Fynn Schwiegelshohn, Vaughn Betz, L. Lilge
{"title":"iPDT for Glioblastoma Multiforme Management: Dosimetric Enhancements","authors":"Daniel Molenhuis, Carl J. Fisher, M. A. Munegowda, A. Mandel, Fynn Schwiegelshohn, Vaughn Betz, L. Lilge","doi":"10.1109/PN.2019.8819600","DOIUrl":"https://doi.org/10.1109/PN.2019.8819600","url":null,"abstract":"Median survival for Glioblastoma patients remains at around 15 months after surgery, radiation, and chemotherapy but varies widely between surgeons and centres. Interstitial Photodynamic Therapy (iPDT) mediated by ALA induced PpIX or other photosensitizers is investigated at various clinics. To enable iPDT treatment planning, photosensitizer transport characteristics needs to be known in order to optimize photoactivation. A method using contrast enhanced, functional magnetic resonance imaging, compartment modelling, spatial frequency domain imaging (SFDI) and inductively coupled plasma mass spectrometry (ICP-MS) is proposed to predict and validate the localization characteristics of two photosensitizers in murine Glioblastoma models.","PeriodicalId":448071,"journal":{"name":"2019 Photonics North (PN)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122849608","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
Human Cardiac Tissue Collagen Polarity Revealed Using Polarimetric Second-Harmonic Generation Microscopy 人类心脏组织胶原蛋白极性使用偏振二次谐波显微镜显示
2019 Photonics North (PN) Pub Date : 2019-05-01 DOI: 10.1109/PN.2019.8819536
Kamdin Mirsanaye, Ahmad Golaraei, Fayez Habach, E. Žurauskas, J. Venius, R. Rotomskis, V. Barzda
{"title":"Human Cardiac Tissue Collagen Polarity Revealed Using Polarimetric Second-Harmonic Generation Microscopy","authors":"Kamdin Mirsanaye, Ahmad Golaraei, Fayez Habach, E. Žurauskas, J. Venius, R. Rotomskis, V. Barzda","doi":"10.1109/PN.2019.8819536","DOIUrl":"https://doi.org/10.1109/PN.2019.8819536","url":null,"abstract":"Polarimetric second-harmonic generation microscopy is a label-free imaging technique, which enables detailed ultrastructural investigations of the biomaterials. The structural information is extracted in the form of achiral and chiral nonlinear susceptibility element ratios, which aid in characterization of subtle variations in the composition and organization of collagen.","PeriodicalId":448071,"journal":{"name":"2019 Photonics North (PN)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128365489","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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