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您的检索式：作者名="Vito Mocella"
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| 1 | Label-free sensing of ultralow-weight molecules with all-dielectric metasurfaces supporting bound states in the continuum显示文摘The realization of an efficient optical sensor based on a photonic crystal metasurface supporting bound states in the continuum is reported. Liquids with different refractive indices, ranging from 1.4000 to 1.4480, are infiltrated in a microfluidic chamber bonded to the sensing dielectric metasurface. A bulk liquid sensitivity of 178 nm/RIU is achieved, while a Q-factor of about 2000 gives a sensor figure of merit up to 445 in air at both visible and infrared excitations. Furthermore, the detection of ultralow-molecular-weight(186 Da) molecules is demonstrated with a record resonance shift of 6 nm per less than a 1 nm thick single molecular layer. The system exploits a normal-to-the-surface optical launching scheme, with excellent interrogation stability and demonstrates alignment-free performances, overcoming the limits of standard photonic crystals and plasmonic resonant configurations. | SILVIA ROMANO GIANLUIGI ZITO STEFANIA TORINO GIUSEPPE CALAFIORE ERIKA PENZO GIUSEPPE COPPOLA STEFANO CABRINI IVO RENDINA VITO MOCELLA | 2018 | Photonics Research2018，6，7： | 9 |
| 2 | Negative refraction in photonic crystals: thickness dependence and pendellfisung phenomenon显示文摘 | Vito Mocella | 2005 | Opt Express2005，13，5： | 1 |
| 3 | Guided resonance in negative index photonic crystals: a new approach显示文摘The behavior of a negative refraction photonic crystal slab irradiated with out-of-plane incident beam is an unexplored subject.In such an experimental configuration,guided mode resonance appears in the reflection spectrum.We show that,in this case,the light coupled inside the photonic crystal is backpropagating.A relationship with the negative index properties is established using a new approach in which the guided resonance is recovered by modeling the photonic crystal layer with a simple Lorentz resonator using the Fresnel reflection formula. | Silvia Romano Stefano Cabrini Ivo Rendina Vito Mocella | 2014 | Light(Science & Applications)2014，3，1： | 1 |
| 4 | Negative refraction in Photonic Crys- tals: thickness dependence and PendellOsung phe- nomenon 显示文摘 | Mocella Vito | 2005 | Opt Express2005，13，5： | 1 |
| 5 | Ellipsometric determination of permittivity in a negative index photonic crystal metamaterial显示文摘In this work,we present the first experimental evidence of negative dielectric susceptibility in a two-dimensional silicon photonic crystal(PhC)with negative refractive index behavior.In the frequency range in which the effective refractive index neff is equal to 21,the incident light couples efficiently to the guided modes in the top surface layer of the PhC metamaterial.These modes resemble surface plasmon polariton resonances.This finding was confirmed by ellipsometric measurements,demonstrating the isotropy of the PhC resonances.Such negative index PhC materials may be of use in biosensing applications. | Principia Dardano Massimo Gagliardi Ivo Rendina Stefano Cabrini Vito Mocella | 2012 | Light(Science & Applications)2012，1，1： | 1 |
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