Results 21 to 30 of about 4,020,412 (320)
Enhanced Nonlinear Refractive Index in ε-Near-Zero Materials. [PDF]
Physical Review Letters, 2016 New propagation regimes for light arise from the ability to tune the dielectric permittivity to extremely low values. Here, we demonstrate a universal approach based on the low linear permittivity values attained in the ε-near-zero (ENZ) regime for ...
L. Caspani +12 more
semanticscholar +1 more source
Retrieving microphysical properties of dust-like particles using ellipsoids: the case of refractive index [PDF]
Atmospheric Chemistry and Physics, 2015 Distributions of ellipsoids are often used to simulate the optical properties of non-ellipsoidal atmospheric particles, such as dust. In this work, the applicability of ellipsoids for retrieving the refractive index of dust-like target model particles ...
O. Kemppinen +3 more
doaj +1 more source
Amphoteric refraction at the interface between isotropic and anisotropic media [PDF]
Optics Communication 254, 353 (2005)., 2006 It is found that the amphoteric refraction, i.e. the refraction can be either positive or negative depending on the incident angles, could occur at a planar interface associated with a uniaxially anisotropic positive index media (PIM) or an anisotropic negative index media (NIM).
arxiv +1 more source
Denaturation process of laccase in various media by refractive index measurements
Biochemistry and Biophysics Reports, 2017 In this work, we are interested in the denaturation process of a laccase from Tramates versicolor via the determination of the refractive index, the refractive index increment and the specific volume in various media.
O. Saoudi +3 more
doaj +1 more source
Determination of Complex Refractive Index using Prism composed of Absorbing Medium [PDF]
arXiv, 2021 In light refraction between two transparent media, Snell's law describes the relationship between the incident angle and refraction angle. The refractive index is usually determined from Snell's law using the minimum deviation angle through a prism. A medium that partially absorbs light has complex permittivity (or permeability), and its refractive ...
arxiv
All-dielectric tunable zero-refractive index metamaterials based on phase change materials
Reviews on Advanced Materials Science, 2023 We propose a tunable all-dielectric zero-index metamaterial based on phase change material. By constructing the alternating rod structure with phase change material and silica material, the zero-refractive index characteristic is realized.
Yang Zhexi +7 more
doaj +1 more source
Ultra-Long Range Refractive Index Fiber Sensor
Frontiers in Sensors, 2022 The dynamic range of optical fiber refractive index sensors is mainly determined by the refractive index (RI) of the sensor surface in contact with the sample under test.
Carmen E. Domínguez-Flores +5 more
doaj +1 more source
IEEE Photonics Journal, 2018 A novel D-shaped photonic crystal fiber refractive index sensor based on surface plasmon resonance (SPR) is proposed and numerically studied. Different from the normal D-shaped structures, we here used an open-ring channel coated with gold film to excite
Xin Chen, L. Xia, Chen Li
semanticscholar +1 more source
The effect of temperature on refractive index of Carbon Disulfide
Tạp chí Khoa học, 2023 In this paper, the effect of temperature on the refractive index of Carbon disulfide liquid based on the influence of temperature on the Sellmeier coefficient has been presented.
NGUYEN Tien Dung +4 more
doaj +1 more source
Photonic spin Hall effect enabled refractive index sensor using weak measurements
Scientific Reports, 2018 In this work, we theoretically propose an optical biosensor (consists of a BK7 glass, a metal film, and a graphene sheet) based on photonic spin Hall effect (SHE).
Xinxing Zhou, Lijuan Sheng, Xiaohui Ling
semanticscholar +1 more source