Pub Date : 2020-09-09DOI: 10.1109/ICOP49690.2020.9300332
P. Di Palma, A. Iadicicco, S. Campopiano
In this work, we present and discuss on the sensing properties of a 3D printed patch embedding a fiber Bragg grating (FBG). In the paper, we first describe the fabrication process of the proposed sensing device and then we analyze its performance in terms of thermal sensitivity and deformation detection capability. In particular, FBGs were embedded in polylactic acid (PLA) rectangular patches that confer greater strength to the bare FBG and enhance their sensing capabilities. We show that the patch thickness, by increasing the distance between the optical sensor and the neutral axis of the structure where it is fixed, provides a gain factor in the device sensitivity to deformation. These results encourage the application of FBGs embedded in 3D-printed patches in the field of the structural monitoring where, by efficiently selecting patch dimensions, in particular the thickness, it is possible to improve the sensor robustness and, contemporary, the deformation sensitivity with respect to bare FBGs.
{"title":"Fiber Bragg gratings embedded in 3D-printed patches for sensitivity enhancement of deformation monitoring","authors":"P. Di Palma, A. Iadicicco, S. Campopiano","doi":"10.1109/ICOP49690.2020.9300332","DOIUrl":"https://doi.org/10.1109/ICOP49690.2020.9300332","url":null,"abstract":"In this work, we present and discuss on the sensing properties of a 3D printed patch embedding a fiber Bragg grating (FBG). In the paper, we first describe the fabrication process of the proposed sensing device and then we analyze its performance in terms of thermal sensitivity and deformation detection capability. In particular, FBGs were embedded in polylactic acid (PLA) rectangular patches that confer greater strength to the bare FBG and enhance their sensing capabilities. We show that the patch thickness, by increasing the distance between the optical sensor and the neutral axis of the structure where it is fixed, provides a gain factor in the device sensitivity to deformation. These results encourage the application of FBGs embedded in 3D-printed patches in the field of the structural monitoring where, by efficiently selecting patch dimensions, in particular the thickness, it is possible to improve the sensor robustness and, contemporary, the deformation sensitivity with respect to bare FBGs.","PeriodicalId":131383,"journal":{"name":"2020 Italian Conference on Optics and Photonics (ICOP)","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131742047","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 : 2020-09-09DOI: 10.1109/ICOP49690.2020.9300322
M. Kashif, F. Pisano, Antonio Balena, M. Pisanello, T. Stomeo, M. de Vittorio, F. Pisanello, A. D’orazio, M. Grande
In this paper, we investigate a gold nano-grating on a curved cylindrical surface. Numerical simulations are performed by the finite difference time domain (FDTD) method to study the effect of the surface curvature on the transmittance spectra of the grating. A segmentation-based approximation technique is proposed to resolve the surface curvature.
{"title":"Segmented-Wave Analysis of Nano-Gratings on Curved Surfaces","authors":"M. Kashif, F. Pisano, Antonio Balena, M. Pisanello, T. Stomeo, M. de Vittorio, F. Pisanello, A. D’orazio, M. Grande","doi":"10.1109/ICOP49690.2020.9300322","DOIUrl":"https://doi.org/10.1109/ICOP49690.2020.9300322","url":null,"abstract":"In this paper, we investigate a gold nano-grating on a curved cylindrical surface. Numerical simulations are performed by the finite difference time domain (FDTD) method to study the effect of the surface curvature on the transmittance spectra of the grating. A segmentation-based approximation technique is proposed to resolve the surface curvature.","PeriodicalId":131383,"journal":{"name":"2020 Italian Conference on Optics and Photonics (ICOP)","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132481601","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 : 2020-09-09DOI: 10.1109/ICOP49690.2020.9300308
S. Mckee, A. Lutey, F. Poli, S. Selleri, L. Romoli, A. Fortunato, A. Cucinotta
Compared with conventional microfabrication techniques, two-photon polymerization has attracted significant interest due to its capability of building arbitrary, complex and ultraprecise three-dimensional (3D) microstructures with sub-100 nm resolution. The process exploits femtosecond laser pulses and a photo resist that is transparent at the laser wavelength (515 nm) but absorbs two photons at high intensity to polymerize, resulting in the possibility of fabricating devices for advanced photonics and biomedical applications. In this paper, the manufacturing of 3D microstructures through two-photon polymerization is discussed.
{"title":"3D Printing by Two-Photon Polymerization","authors":"S. Mckee, A. Lutey, F. Poli, S. Selleri, L. Romoli, A. Fortunato, A. Cucinotta","doi":"10.1109/ICOP49690.2020.9300308","DOIUrl":"https://doi.org/10.1109/ICOP49690.2020.9300308","url":null,"abstract":"Compared with conventional microfabrication techniques, two-photon polymerization has attracted significant interest due to its capability of building arbitrary, complex and ultraprecise three-dimensional (3D) microstructures with sub-100 nm resolution. The process exploits femtosecond laser pulses and a photo resist that is transparent at the laser wavelength (515 nm) but absorbs two photons at high intensity to polymerize, resulting in the possibility of fabricating devices for advanced photonics and biomedical applications. In this paper, the manufacturing of 3D microstructures through two-photon polymerization is discussed.","PeriodicalId":131383,"journal":{"name":"2020 Italian Conference on Optics and Photonics (ICOP)","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127165698","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 : 2020-09-09DOI: 10.1109/ICOP49690.2020.9300319
D. Badoni, R. Gunnella, A. Salamon, V. Bonaiuto, V. Liberali, G. Salina, F. De Matteis, A. Mai, M. Salvato, Luca Colavecchi, Giovanni Paulozzi, F. Sargeni, G. Di Giuseppe, P. Prosposito, A. Stabile, L. Frontini, P. Steglich
In this paper we describe the layout of a Silicon Photonic chip, composed of two different Mach-Zehnder interferometers realized with SOI technology; we report the results obtained from the electromagnetic simulations, that have been performed splitting the MZIs in multiple components to extract the power transmission parameters and we also report the result of the measurements taken in lab. The aim of this study is to demonstrate the ability the Silicon photonics devices have to become the new generation of digital interconnects.
{"title":"Design and test of silicon photonic Mach-Zehnder interferometers for data transmission applications","authors":"D. Badoni, R. Gunnella, A. Salamon, V. Bonaiuto, V. Liberali, G. Salina, F. De Matteis, A. Mai, M. Salvato, Luca Colavecchi, Giovanni Paulozzi, F. Sargeni, G. Di Giuseppe, P. Prosposito, A. Stabile, L. Frontini, P. Steglich","doi":"10.1109/ICOP49690.2020.9300319","DOIUrl":"https://doi.org/10.1109/ICOP49690.2020.9300319","url":null,"abstract":"In this paper we describe the layout of a Silicon Photonic chip, composed of two different Mach-Zehnder interferometers realized with SOI technology; we report the results obtained from the electromagnetic simulations, that have been performed splitting the MZIs in multiple components to extract the power transmission parameters and we also report the result of the measurements taken in lab. The aim of this study is to demonstrate the ability the Silicon photonics devices have to become the new generation of digital interconnects.","PeriodicalId":131383,"journal":{"name":"2020 Italian Conference on Optics and Photonics (ICOP)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126640190","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}
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