Pub Date : 2019-08-01DOI: 10.1109/RAPID.2019.8864389
Y. Mazumdar, J. Heyborne, D. Guildenbecher
Laser diagnostics are essential for time-resolved studies of solid rocket propellant combustion and small explosive detonations. Digital in-line holography (DIH) is a powerful tool for three-dimensional particle tracking in multiphase flows. By combining DIH with complementary diagnostics, particle temperatures and soot/smoke properties can be identified.
{"title":"Laser Diagnostics for Solid Rocket Propellants and Explosives","authors":"Y. Mazumdar, J. Heyborne, D. Guildenbecher","doi":"10.1109/RAPID.2019.8864389","DOIUrl":"https://doi.org/10.1109/RAPID.2019.8864389","url":null,"abstract":"Laser diagnostics are essential for time-resolved studies of solid rocket propellant combustion and small explosive detonations. Digital in-line holography (DIH) is a powerful tool for three-dimensional particle tracking in multiphase flows. By combining DIH with complementary diagnostics, particle temperatures and soot/smoke properties can be identified.","PeriodicalId":143675,"journal":{"name":"2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121343012","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}
Pub Date : 2019-08-01DOI: 10.1109/RAPID.2019.8864336
Hamzah Ahmed, Rodney T. McGee, J. Marks, Andrea Waite, A. Landwehr, Christopher Jackson, G. Ejzak, Tyler Browning, Peyman Barakhshan, Miguel Hernandez, Alexis Deputy, Tianne Lassitter, C. Campbell, F. Kiamilev, J. Prineas, E. Koerperick
Infrared LED Scene Projector (IRSP) system is an emerging technology that has made numerous progress in its development and testing. That progress ranges from fabrication and evaluation steps to improve the electronics as well as improvements to the 1K×1K and 2K×2K hybrid arrays.
{"title":"Fabrication, Evaluation, and Improvements of 1K×1K and 2K×2K Infrared LED Scene Projector Systems","authors":"Hamzah Ahmed, Rodney T. McGee, J. Marks, Andrea Waite, A. Landwehr, Christopher Jackson, G. Ejzak, Tyler Browning, Peyman Barakhshan, Miguel Hernandez, Alexis Deputy, Tianne Lassitter, C. Campbell, F. Kiamilev, J. Prineas, E. Koerperick","doi":"10.1109/RAPID.2019.8864336","DOIUrl":"https://doi.org/10.1109/RAPID.2019.8864336","url":null,"abstract":"Infrared LED Scene Projector (IRSP) system is an emerging technology that has made numerous progress in its development and testing. That progress ranges from fabrication and evaluation steps to improve the electronics as well as improvements to the 1K×1K and 2K×2K hybrid arrays.","PeriodicalId":143675,"journal":{"name":"2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121025269","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}
Pub Date : 2019-08-01DOI: 10.1109/rapid.2019.8864383
A. Fali, Samuel T. White, T. Folland, N. A. Aghamiri, J. Caldwell, R. Haglund, Y. Abate
We employ nano-scale imaging and spectroscopy techniques to elucidate polariton characteristics as a function of the complex refractive index of the substrate. Although higher-order polariton modes exhibit wavelengths weakly sensitive to the environment, the principal mode strongly depends on the substrate dielectric constant.
{"title":"Probing the Influence of Dielectric Environment upon Volume-Confined Hyperbolic Polaritons","authors":"A. Fali, Samuel T. White, T. Folland, N. A. Aghamiri, J. Caldwell, R. Haglund, Y. Abate","doi":"10.1109/rapid.2019.8864383","DOIUrl":"https://doi.org/10.1109/rapid.2019.8864383","url":null,"abstract":"We employ nano-scale imaging and spectroscopy techniques to elucidate polariton characteristics as a function of the complex refractive index of the substrate. Although higher-order polariton modes exhibit wavelengths weakly sensitive to the environment, the principal mode strongly depends on the substrate dielectric constant.","PeriodicalId":143675,"journal":{"name":"2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127576660","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}
Pub Date : 2019-08-01DOI: 10.1109/RAPID.2019.8864415
Jerika D. Cleveland, D. Mitra, Jacob Lewis, B. Braaten, Jeffery W. Allen, M. Allen
Sub-unit cells consisting of printed conducting gaps and magneto-static particles to form the foundation of a proposed leaky wave antenna was experimentally evaluated and the results are presented in this paper. However, for initial experimental purposes, vias were used to model the magneto-static responsive particles in the PCB substrate for both the ON and OFF states. Then the S-parameters of an N=10 cascaded (i.e., series connected) sub-unit cell in a microstrip transmission line configuration was presented and it was shown that the propagation characteristics of the interconnected cells can be controlled with magneto-static particle equivalent regions (i.e., vias). Finally, the unit cell designs were compared between two simulation software tools and the results of the printed prototypes.
{"title":"Development of a Sub-Unit Cell Consisting of Capacitive Gaps and Magneto-Static Particles","authors":"Jerika D. Cleveland, D. Mitra, Jacob Lewis, B. Braaten, Jeffery W. Allen, M. Allen","doi":"10.1109/RAPID.2019.8864415","DOIUrl":"https://doi.org/10.1109/RAPID.2019.8864415","url":null,"abstract":"Sub-unit cells consisting of printed conducting gaps and magneto-static particles to form the foundation of a proposed leaky wave antenna was experimentally evaluated and the results are presented in this paper. However, for initial experimental purposes, vias were used to model the magneto-static responsive particles in the PCB substrate for both the ON and OFF states. Then the S-parameters of an N=10 cascaded (i.e., series connected) sub-unit cell in a microstrip transmission line configuration was presented and it was shown that the propagation characteristics of the interconnected cells can be controlled with magneto-static particle equivalent regions (i.e., vias). Finally, the unit cell designs were compared between two simulation software tools and the results of the printed prototypes.","PeriodicalId":143675,"journal":{"name":"2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131288414","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}
Pub Date : 2019-08-01DOI: 10.1109/RAPID.2019.8864364
Weitao Dai, J. Prineas
To improve the efficiency of GaSb-based mid-wave infrared LEDs, we investigated the enhanced spontaneous emission by a dipole in a thin slab numerically. A Purcell factor around 5 was achieved by combining a thin waveguide and plasmonic grating.
{"title":"Enhanced MWIR Led Performance with a Plasmonic Grating","authors":"Weitao Dai, J. Prineas","doi":"10.1109/RAPID.2019.8864364","DOIUrl":"https://doi.org/10.1109/RAPID.2019.8864364","url":null,"abstract":"To improve the efficiency of GaSb-based mid-wave infrared LEDs, we investigated the enhanced spontaneous emission by a dipole in a thin slab numerically. A Purcell factor around 5 was achieved by combining a thin waveguide and plasmonic grating.","PeriodicalId":143675,"journal":{"name":"2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)","volume":"130 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115965325","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}
Pub Date : 2019-08-01DOI: 10.1109/RAPID.2019.8864298
R. Bernath, H. Kerrigan, S. Fairchild, M. Richardson
High-resolution optical optical diagnostics have long been used to characterize the expansion and electron density of dense laser plasmas. We describe recent studies of remotely-created dense laser plasmas produced by laser air-filaments that project high intensity laser light to distances of a kilometer.
{"title":"Invited Talk: \"High Resolution Space/Time Imaging of Shockwaves Generated by Remote Laser Plasmas Produced by Light Filaments\"","authors":"R. Bernath, H. Kerrigan, S. Fairchild, M. Richardson","doi":"10.1109/RAPID.2019.8864298","DOIUrl":"https://doi.org/10.1109/RAPID.2019.8864298","url":null,"abstract":"High-resolution optical optical diagnostics have long been used to characterize the expansion and electron density of dense laser plasmas. We describe recent studies of remotely-created dense laser plasmas produced by laser air-filaments that project high intensity laser light to distances of a kilometer.","PeriodicalId":143675,"journal":{"name":"2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)","volume":"144 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116865173","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}
Pub Date : 2019-08-01DOI: 10.1109/rapid.2019.8864386
L. Beresnev, A. Flores, R. Holten, A. Valenzuela, A. Taliaferro, A. Schweinsberg, K. Gurton, D. Ligon, C. Williamson, S. Bilyk
An array of seven fiber collimators with transmission ~99.9% was tested with 1.99 kW per channel. Truncated radiation was disposed through output collimating lenses by re-directing Gaussian beam tails with interior holey micro-lenses. For range of truncation of 5-29% cooling was not necessary. Beam quality in the far-field M2 ~1.2.
{"title":"Multi-kW, Uncooled Densely Packed Fiber Array for Laser Beam Combining","authors":"L. Beresnev, A. Flores, R. Holten, A. Valenzuela, A. Taliaferro, A. Schweinsberg, K. Gurton, D. Ligon, C. Williamson, S. Bilyk","doi":"10.1109/rapid.2019.8864386","DOIUrl":"https://doi.org/10.1109/rapid.2019.8864386","url":null,"abstract":"An array of seven fiber collimators with transmission ~99.9% was tested with 1.99 kW per channel. Truncated radiation was disposed through output collimating lenses by re-directing Gaussian beam tails with interior holey micro-lenses. For range of truncation of 5-29% cooling was not necessary. Beam quality in the far-field M2 ~1.2.","PeriodicalId":143675,"journal":{"name":"2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)","volume":"164 3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127527339","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}
Pub Date : 2019-08-01DOI: 10.1109/RAPID.2019.8864318
J. Phillips
With the continued occurrence of unidentified physiological episodes in tactical aviation, scientists and engineers from government and private industry have considered numerous approaches to monitor life support system performance and operator status in-flight. This presentation will cover lessons learned from some of those efforts.
{"title":"In-Cockpit Measures of Operator State: Capabilities and Pitfalls","authors":"J. Phillips","doi":"10.1109/RAPID.2019.8864318","DOIUrl":"https://doi.org/10.1109/RAPID.2019.8864318","url":null,"abstract":"With the continued occurrence of unidentified physiological episodes in tactical aviation, scientists and engineers from government and private industry have considered numerous approaches to monitor life support system performance and operator status in-flight. This presentation will cover lessons learned from some of those efforts.","PeriodicalId":143675,"journal":{"name":"2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)","volume":"2005 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127647591","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}
Pub Date : 2019-08-01DOI: 10.1109/RAPID.2019.8864410
He Yin, Min Wang, T. Yu, L. Chiang, A. Urbas, Loon-Seng Tan
3D-configurated donor-acceptor stereoisomers cis-cup-tris[C60>(DPAF-C9)] were found to exhibit photoswitchable dielectric amplification phenomena using white LED light excitation at GHz frequency. The observation was correlated to the photoactivation of the Au-layer resulting in plasmonic energy to enhance photoinduced intramolecular e−-transfer from DPAF to a C60> moiety. Accumulated plasmonic resonance energy at the near-field surface was effective to distribute negative charges along the outer (C60>)-derived fullerosome shell layer of the trilayered NPs.
{"title":"Photoswitching Dielectric Properties using Plasmonic Core-Shell Hybrid of 3D C60-Conformers at GHz Frequency","authors":"He Yin, Min Wang, T. Yu, L. Chiang, A. Urbas, Loon-Seng Tan","doi":"10.1109/RAPID.2019.8864410","DOIUrl":"https://doi.org/10.1109/RAPID.2019.8864410","url":null,"abstract":"3D-configurated donor-acceptor stereoisomers cis-cup-tris[C60>(DPAF-C9)] were found to exhibit photoswitchable dielectric amplification phenomena using white LED light excitation at GHz frequency. The observation was correlated to the photoactivation of the Au-layer resulting in plasmonic energy to enhance photoinduced intramolecular e−-transfer from DPAF to a C60> moiety. Accumulated plasmonic resonance energy at the near-field surface was effective to distribute negative charges along the outer (C60>)-derived fullerosome shell layer of the trilayered NPs.","PeriodicalId":143675,"journal":{"name":"2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127783545","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}
Pub Date : 2019-08-01DOI: 10.1109/RAPID.2019.8864312
Jiayu Liu, Ibrahem Jasim, Chen Zhu, M. Roman, E. Kinzel, Jie Huang, M. Almasri
Microsphere Photolithography uses a self-assembled hexagonal lattice of microspheres as an optical element to focus collimated light to an array of photonic jets inside a layer of photoresist. This technique is applied to pattern optical fiber for refractive index sensing and Surface Enhanced Raman Spectroscopy.
{"title":"Microsphere Photolithography Patterning of Plasmonic Sensors on Optical Fiber","authors":"Jiayu Liu, Ibrahem Jasim, Chen Zhu, M. Roman, E. Kinzel, Jie Huang, M. Almasri","doi":"10.1109/RAPID.2019.8864312","DOIUrl":"https://doi.org/10.1109/RAPID.2019.8864312","url":null,"abstract":"Microsphere Photolithography uses a self-assembled hexagonal lattice of microspheres as an optical element to focus collimated light to an array of photonic jets inside a layer of photoresist. This technique is applied to pattern optical fiber for refractive index sensing and Surface Enhanced Raman Spectroscopy.","PeriodicalId":143675,"journal":{"name":"2019 IEEE Research and Applications of Photonics in Defense Conference (RAPID)","volume":"117 1-2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123567773","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：