2017 Photonics North (PN)最新文献

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Chiral diffraction gratings 手性衍射光栅
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090611
L. Mazaheri, J. Nunzi, O. Lebel
{"title":"Chiral diffraction gratings","authors":"L. Mazaheri, J. Nunzi, O. Lebel","doi":"10.1109/PN.2017.8090611","DOIUrl":"https://doi.org/10.1109/PN.2017.8090611","url":null,"abstract":"Planar chiral structures were inscribed on a Disperse Red 1 glass-forming derivative using a single circularly polarized laser beam at λ= 532 nm. Non-reciprocity activity is recorded for the structure.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126221300","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
Wide-field second harmonic generation microscopy using a high power Yb laser 使用高功率Yb激光的宽视场二次谐波产生显微镜
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090583
R. Cisek, Haitao Zhao, V. Barzda
{"title":"Wide-field second harmonic generation microscopy using a high power Yb laser","authors":"R. Cisek, Haitao Zhao, V. Barzda","doi":"10.1109/PN.2017.8090583","DOIUrl":"https://doi.org/10.1109/PN.2017.8090583","url":null,"abstract":"Wide-field second harmonic generation (SHG) microscopy was implemented using a high power Yb laser for applications in fast imaging of live samples and for histology slide scans in digital pathology. Live imaging of drosophila larvae muscle was demonstrated for more than 60 s continuous illumination using SHG contrast at a frame rate of 10 Hz, for applications in basic muscle research. Pathological samples of human thyroid tissue could be imaged without photodamage yielding SHG contrast in the entire slide via tiling. Wide-field SHG has the potential to be used as a high throughput histopathology sample pre-diagnosis system.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131783416","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
Picosecond Nd:GdVO4 laser pumped at 912 nm 皮秒Nd:GdVO4激光泵浦在912 nm
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090551
M. Nadimi, T. Waritanant, A. Major
{"title":"Picosecond Nd:GdVO4 laser pumped at 912 nm","authors":"M. Nadimi, T. Waritanant, A. Major","doi":"10.1109/PN.2017.8090551","DOIUrl":"https://doi.org/10.1109/PN.2017.8090551","url":null,"abstract":"We report on the performance of a semiconductor saturable absorber mirror mode-locked Nd: GdVO4 laser in-band diode-pumped at 912 nm. The laser generated 10.14 W of averaged output power with the pulse width of 16 ps, repetition rate of 85 MHz, optical efficiency of ∼ 50% and slope efficiency of 68%.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121096136","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
Field measured SOP investigation: Expected and transient variation 现场测量的SOP调查:预期的和短暂的变化
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090563
D. Charlton
{"title":"Field measured SOP investigation: Expected and transient variation","authors":"D. Charlton","doi":"10.1109/PN.2017.8090563","DOIUrl":"https://doi.org/10.1109/PN.2017.8090563","url":null,"abstract":"Rate of change of the state of polarization was measured in a variety of live networks. Transients produced the highest rates of change and can be localized by measurement. We found strong correlation between Mrad/s transients and lightning strikes in optical ground wire cables.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130528340","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
Analysis of laser polished line formation part 1: Experimental analysis 激光抛光线形成分析第1部分:实验分析
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090600
Joshua D. Miller, S. Mohajerani, O. R. Tutunea-Fatan, E. Bordatchev
{"title":"Analysis of laser polished line formation part 1: Experimental analysis","authors":"Joshua D. Miller, S. Mohajerani, O. R. Tutunea-Fatan, E. Bordatchev","doi":"10.1109/PN.2017.8090600","DOIUrl":"https://doi.org/10.1109/PN.2017.8090600","url":null,"abstract":"This study is focused on the impact of laser and scanner control parameters on the formation of laser polished (LPed) lines. The combined effect of a scanner control parameter called laser-on-delay (LOD) and varying laser power is analyzed with respect to the shape of the LPed line. The ideal shape of an LPed line is characterized by semicircular ends with a diameter equal to the width of the stable region of the line. The trials performed have revealed that inadequate combinations of speed and laser parameters are responsible for the generation of nonuniform/nonoptimal LPed terminal line geometries.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134038902","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
Effect of build orientation on surface quality of selective laser melted Ti-6A1-4V 构筑方向对选择性激光熔化Ti-6A1-4V表面质量的影响
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090593
Peter Serles, O. R. Tutunea-Fatan, E. Bordatchev
{"title":"Effect of build orientation on surface quality of selective laser melted Ti-6A1-4V","authors":"Peter Serles, O. R. Tutunea-Fatan, E. Bordatchev","doi":"10.1109/PN.2017.8090593","DOIUrl":"https://doi.org/10.1109/PN.2017.8090593","url":null,"abstract":"This study examines the surface characteristics of powder bed fusion samples created at varying orientations. The surfaces have been analyzed with statistical tools to determine the most significant characteristics of the surface quality. The material distribution ratio presents the distribution of peaks and valleys whereas the Gaussian filter presents the individual contributions to the overall surface roughness.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131881848","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
Kerr-lens mode-locked femtosecond Yb:KGW laser 克尔透镜锁模飞秒Yb:KGW激光器
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090558
R. Akbari, A. Major
{"title":"Kerr-lens mode-locked femtosecond Yb:KGW laser","authors":"R. Akbari, A. Major","doi":"10.1109/PN.2017.8090558","DOIUrl":"https://doi.org/10.1109/PN.2017.8090558","url":null,"abstract":"A high-power diode-pumped pure Kerr-lens mode-locked Yb:KGW laser was demonstrated. The developed laser delivered 240 fs pulses with 2.3 W of average output power at a repetition rate of 86.8 MHz, which corresponds to 110 kW of peak power and 26 nJ of pulse energy. The limiting factor to the laser operation was the appearance of a strong continuous wave (CW) component in the mode-locked laser spectrum.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"2010 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129660690","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
Enhanced stimulated brillouin scattering generation in optical fibers using combination of loop mirror and ring configurations 利用环镜和环结构组合增强光纤中受激布里渊散射的产生
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090561
A. Atieh, I. Golub
{"title":"Enhanced stimulated brillouin scattering generation in optical fibers using combination of loop mirror and ring configurations","authors":"A. Atieh, I. Golub","doi":"10.1109/PN.2017.8090561","DOIUrl":"https://doi.org/10.1109/PN.2017.8090561","url":null,"abstract":"A combined fiber loop mirror and ring configurations are used to enhance generated stimulated Brillouin scattering in optical fibers. Large number of higher-order Stokes is generated. It is possible to generate five flat CW wavelengths with flatness better than 0.5 dB and wavelength separation 0.088 nm as part of generated Stokes wavelengths.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132928240","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
Grape balls of fire!: Photonic interactions of hyperfrequency radiation with aqueous dielectric spheres 葡萄火球!:高频辐射与介质球的光子相互作用
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090559
A. Slepkov, E. R. Korfanty, Aaron Curtis, P. Bianucci, Alessandro P. Bambic
{"title":"Grape balls of fire!: Photonic interactions of hyperfrequency radiation with aqueous dielectric spheres","authors":"A. Slepkov, E. R. Korfanty, Aaron Curtis, P. Bianucci, Alessandro P. Bambic","doi":"10.1109/PN.2017.8090559","DOIUrl":"https://doi.org/10.1109/PN.2017.8090559","url":null,"abstract":"The initiation of plasma using grapes in a commercial microwave oven is a well-known parlour trick. All prior demonstrated approaches use cut grape hemispheres connected with a “skin bridge” the common explanation for the mechanism of ignition involves conduction in the bridge or in the grapes themselves. We have studied this phenomenon in detail and present new experimental observations, scientific explanation, and potential applications of the phenomena.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117304035","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
Testing angle independence of plasmonic metal coloration via FDTD 用FDTD测试等离子体金属着色的角度无关性
2017 Photonics North (PN) Pub Date : 2017-06-01 DOI: 10.1109/PN.2017.8090560
J. Baxter, Antonio Calà Lesina, J. Guay, L. Ramunno
{"title":"Testing angle independence of plasmonic metal coloration via FDTD","authors":"J. Baxter, Antonio Calà Lesina, J. Guay, L. Ramunno","doi":"10.1109/PN.2017.8090560","DOIUrl":"https://doi.org/10.1109/PN.2017.8090560","url":null,"abstract":"Angle-independent colors can be created on metals by exploiting plasmonic effects in arrangements of nanoparticles on the surface. We numerically demonstrate the angle-independence of the colors by using the Constant Transverse Wavenumber (CTW) technique implemented in the Finite-Difference Time-Domain (FDTD) method to simulate light reflection from a periodic array of nanoparticles under oblique incidence.","PeriodicalId":153736,"journal":{"name":"2017 Photonics North (PN)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123761163","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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