Results 301 to 310 of about 4,020,412 (320)

A High-Gain Broadband Gradient Refractive Index Metasurface Lens Antenna

IEEE Transactions on Antennas and Propagation, 2016
The design, simulation, and measurement results of a high-gain broadband gradient refractive index (GRIN) planar lens fed by an antipodal exponential taper slot antenna (ATSA) are presented.
E. Erfani, M. Niroo-jazi, S. Tatu
semanticscholar   +1 more source

Complex Refractive Index Spectra of CH3NH3PbI3 Perovskite Thin Films Determined by Spectroscopic Ellipsometry and Spectrophotometry.

Journal of Physical Chemistry Letters, 2015
The complex refractive index (dielectric function) of planar CH3NH3PbI3 thin films at room temperature is investigated by variable angle spectroscopic ellipsometry and spectrophotometry.
P. Löper, M. Stuckelberger, B. Niesen, J. Werner, M. Filipič, S. Moon, Jun‐Ho Yum, M. Topič, S. de Wolf, C. Ballif   +9 more
semanticscholar   +1 more source

Systematic study of Ge1−xSnx absorption coefficient and refractive index for the device applications of Si-based optoelectronics

, 2016
The absorption coefficient and refractive index of Ge1−xSnx alloys (x from 0% to 10%) were characterized for the wavelength range from 1500 to 2500 nm via spectroscopic ellipsometry at room temperature.
Huong Tran, W. Du, S. Ghetmiri, A. Mosleh, G. Sun, R. Soref, J. Margetis, J. Tolle, Baohua Li, H. Naseem, Shui-Qing Yu   +10 more
semanticscholar   +1 more source

Refractive index measurements of poly(methyl methacrylate) (PMMA) from 0.4-1.6 μm.

Applied Optics, 2015
Using a transmission-spectrum-based method, the refractive index of a 50 μm thick sample of poly(methyl methacrylate) (PMMA) was measured as a function of wavelength.
G. Beadie, M. Brindza, R. Flynn, A. Rosenberg, J. Shirk   +4 more
semanticscholar   +1 more source

Recent Progress in High Refractive Index Polymers

, 2015
High refractive index polymers have been widely developed in recent years for their potential applications in advanced optoelectronic fabrications, such as high performance components for advanced display devices, encapsulants for light-emitting diode ...
Tomoya Higashihara, M. Ueda
semanticscholar   +1 more source

Dependence of Refractive Index on Concentration and Temperature in Electrolyte Solution, Polar Solution, Nonpolar Solution, and Protein Solution

, 2015
The dependence of refractive index on the concentration and temperature in six kinds of aqueous solutions was investigated. The six solutions were three electrolyte solutions (NaCl, KCl, and CaCl2), a polar solution (glucose solution), a nonpolar ...
Chan-yuan Tan, Yao-Xiong Huang
semanticscholar   +1 more source

Enhanced Figure of Merit in Fano Resonance-Based Plasmonic Refractive Index Sensor

IEEE Sensors Journal, 2015
Surface plasmon (SP) modes possesses an intriguing feature of confining light beyond diffraction limit, which makes it very attractive for sensing applications.
Rukhsar Zafar, M. Salim
semanticscholar   +1 more source

A Nanoscale Refractive Index Sensor Based on Asymmetric Plasmonic Waveguide With a Ring Resonator: A Review

IEEE Sensors Journal, 2015
A novel and simple refractive index sensor based on the asymmetrical coupling of two metal-insulator-metal waveguides with a ring resonator is proposed and investigated numerically by finite-difference time domain.
S. Zou, Faqiang Wang, Ruisheng Liang, L. Xiao, Miao Hu   +4 more
semanticscholar   +1 more source

Tuning the refractive index in 3D direct laser writing lithography: towards GRIN microoptics

, 2015
We report a study of the determination of polymer cross‐linking, namely the degree of conversion and refractive index of the microstructures created by two‐photon polymerization (TPP).
A. Žukauskas, I. Matulaitienė, D. Paipulas, G. Niaura, M. Malinauskas, R. Gadonas   +5 more
semanticscholar   +1 more source

Optical soliton cooling with polynomial law of nonlinear refractive index

Journal of Optics, 2020
A. Biswas
semanticscholar   +1 more source