Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Isaac O. Oguntoye"'
Autor:
Isaac O. Oguntoye, Brittany K. Simone, Siddharth Padmanabha, George Z. Hartfield, Pouya Amrollahi, Tony Y. Hu, Adam J. Ollanik, Matthew D. Escarra
Publikováno v:
ACS Applied Nano Materials. 5:3983-3991
Biomarker detection and bulk refractive index sensing are important across multiple industries ranging from early medical diagnosis to chemical process quality control. The bulky size, high cost, and complex architecture of existing refractive index
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17a951b1499f63e3d6755e9c8acefd04
https://doi.org/10.1021/acsanm.1c04443
https://doi.org/10.1021/acsanm.1c04443
Autor:
Siddharth Padmanabha, Isaac O. Oguntoye, Jesse Frantz, Jason Myers, Robel Bekele, Anthony Clabeau, Vinh Nguyen, Jasbinder Sanghera, Matthew D. Escarra
Publikováno v:
Conference on Lasers and Electro-Optics.
We design and fabricate reconfigurable antimony trisulfide (Sb2S3) cylindrical metalenses. Simulation results show focusing efficiencies of 72.85% and 79.7% for focal lengths of 3.5cm and 5cm at a wavelength of 750nm. Experimental verification is und
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::034f2829a436fe62a419f04c8d58867b
https://doi.org/10.1364/cleo_at.2022.jtu3a.69
https://doi.org/10.1364/cleo_at.2022.jtu3a.69
Publikováno v:
Conference on Lasers and Electro-Optics.
We design and fabricate vanadium dioxide metasurfaces for dynamic optical amplitude, phase, and beam angle modulation. Temperature-dependent ellipsometry yields a refractive index modulation of ~1.8. Metasurface optical modulation of ~17 dB is projec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9ac16f8f7dc1c86928f6a6798a05b87
https://doi.org/10.1364/cleo_qels.2022.fth4d.2
https://doi.org/10.1364/cleo_qels.2022.fth4d.2
Autor:
Timothy Ismael, Nathan Grinalds, Matthew D. Escarra, Ron Synowicki, Kazi Islam, Isaac O. Oguntoye
Publikováno v:
Advanced Photonics Research, Vol 2, Iss 5, Pp n/a-n/a (2021)
Monolayer, few‐layer, and thin‐film MoS2 is synthesized using chemical vapor deposition (CVD) and thermal vapor sulfurization (TVS) methods. The complex refractive index of these samples is assessed using variable angle spectroscopic ellipsometry
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42893eb68c7942c8ec1112647d60e363
https://doaj.org/article/a4bf3d3e3b55493fbba90a678e830196
https://doaj.org/article/a4bf3d3e3b55493fbba90a678e830196
Autor:
Matthew D. Escarra, Siddharth Padmanabha, Isaac O. Oguntoye, Brittany K. Simone, Adam Ollanik
Publikováno v:
Scopus-Elsevier
Nearest neighbor coupling in antenna systems tends to reduce the overall optical efficiency of the system. Here, we compare arrays of disc and donut resonators that confine the impinging beam locally. Maximum optical efficiency of 70% for anomalous r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::796928173a44c26d9de037f52caa9af4
https://doi.org/10.1364/cleo_qels.2021.fw4j.3
https://doi.org/10.1364/cleo_qels.2021.fw4j.3
Autor:
Matthew D. Escarra, Brittany K. Simone, Adam Ollanik, Siddharth Padmanabha, George Z. Hartfield, Isaac O. Oguntoye
Publikováno v:
Conference on Lasers and Electro-Optics.
Demonstration of nanophotonic platform for metasurface-based refractive index sensing. Prototype results indicate that dramatic cost (.$5,000) and scale (e.g. portable, handheld) reductions are attainable in comparison to existing technologies with c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ad13f3dd6b968dd6374c7f9189bda8b
https://doi.org/10.1364/cleo_qels.2020.ff3e.5
https://doi.org/10.1364/cleo_qels.2020.ff3e.5
Autor:
Adam Ollanik, George Z. Hartfield, Siddharth Padmanabha, Matthew D. Escarra, Isaac O. Oguntoye, Brittany K. Simone
Publikováno v:
Conference on Lasers and Electro-Optics.
We design and fabricate continuously tunable vanadium dioxide Huygens metasurfaces for optical modulation in an all-in-one device. Simulation results show near π continuous phase modulation and ~20 dB amplitude modulation at near infrared wavelength
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a01995a188349a323c5bf25d5f06b3d5
https://doi.org/10.1364/cleo_qels.2020.fth3q.1
https://doi.org/10.1364/cleo_qels.2020.fth3q.1
Publikováno v:
Journal of the Optical Society of America B. 38:C105
Metasurfaces with dynamic optical performance have the potential to enable a broad range of applications. We computationally investigate the potential of dielectric Huygens metasurfaces, supporting both electric and magnetic dipole resonances, as a c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a42fe6b3e210178a6f7478e6111e4f9
https://doi.org/10.1364/josab.427848
https://doi.org/10.1364/josab.427848
Publikováno v:
Conference on Lasers and Electro-Optics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64ce056725ec90a46178b48e3596988b
https://doi.org/10.1364/cleo_si.2019.sth1f.5
https://doi.org/10.1364/cleo_si.2019.sth1f.5
Autor:
Jason D. Myers, Jesse A. Frantz, Robel Y. Bekele, Matthew D. Escarra, Anthony Clabeau, Siddharth Padmanabha, Isaac O. Oguntoye
Publikováno v:
Scopus-Elsevier
We design switchable antimony trisulfide (Sb2S3) Huygens metasurfaces for optical modulation. Simulation results show near 2π phase modulation with ~15dB amplitude modulation optimizable by spectral resonance tuning at near infrared wavelengths. Exp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9047607271bc4d5a0599fc1a1a0d3a5c
http://www.scopus.com/inward/record.url?eid=2-s2.0-85120488495&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-85120488495&partnerID=MN8TOARS
