ultra-broadband
Ultra broadband frequency generation in a cavity confined Raman medium
... coherent broadband radiation through two-colour pumping of molecular hydrogen confined to a unidirectional ring cavity, and the subsequent synthesis of high peak power and few-femtosecond ...of ...
232
Sine-modulated wavelength-independent full-range complex spectral optical coherence tomography with an ultra-broadband light source
... We present a full-range complex spectral domain optical coherence tomography with an ultra-broadband light source based on sinusoidal modulation. For the sinusoidal modulation strategy, a lead zirconate ...
9
Solid-state-biased coherent detection of ultra-broadband terahertz pulses
... ition through a lock-in amplifier synchronized to the modulation frequency of the bias voltage, only the cross term in Eq. (1) is re- corded, which scales linearly with the THz electric field. Due to the very low ...
5
Ultra-broadband mid-infrared supercontinuum generation using chalcogenide rib waveguide
... of ultra-broadband SC spectra from ultraviolet to mid-infrared (MIR) region is of considerable inter- est for many applications in the field of telecommunication, molecular fingerprint spectroscopy, ...
12
Graphene controlled Brewster angle device for ultra broadband terahertz modulation
... shown in Fig. 5a. The phase shift in the frequency domain is extracted from the time-domain pulse by Fourier transform and referenced to the phase at a gate voltage of 16 V, as shown in Fig. 5b. Over the broad frequency ...
7
Compact, Ultra-Broadband Coplanar-Waveguide Bandpass Filter with Excellent Stopband Rejection
... Over the past decade, several designs have been proposed for wideband BPFs using the CPW structures [5–8]. In [5], the authors proposed a ribbon-of-brick-wall design that was realized by cascading several sections of ...
14
Ultra-Broadband High Efficiency Mode Converter
... of ultra- broadband performance is achieved mainly due to the use of a septum transition from coaxial to rectangular waveguide, that allows a very wide bandwidth application, as well as by using an octave ...
14
Ultra-Broadband Absorption with Gradient Pyramidal Metamaterials
... In addition to ultra-broadband property, it is also expected that the proposed MA is polarization independent for many practical applications. Fig. 2(a) presents the absorption spectra of the as-designed MA ...
8
An Ultra-Broadband, Coplanar-Waveguide Fed Circular Monopole Antenna with Improved Radiation Characteristics
... Abstract—A planar, circular monopole antenna (PCMA) with satisfactory radiation characteristics over an ultra-broadband is demonstrated. Compared to the classical coplanar-waveguide (CPW) fed PCMA, the ...
15
Design of a Tunable Ultra Broadband Terahertz Absorber Based on Multiple Layers of Graphene Ribbons
... In this paper, we present a tunable graphene-based ter- ahertz absorber composed of multilayer graphene which can achieve an ultra-broadband absorption over 90% in the frequencies range of 3–7.8 Thz. The ...
8
Development of an Equivalent Circuit Model of a Finite Ground Coplanar Waveguide Interconnect in MIS System for Ultra-Broadband Monolithic ICs
... The data rate which an ultra-broadband IC can actually support depends on its on-chip interconnects. Considerable research efforts have been expended to develop methods to rapidly and accurately model and ...
13
Ultra-broadband mid-infrared supercontinuum generation through dispersion engineering of chalcogenide microstructured fibers
... film-forming properties and possess a relatively high third-order nonlinearity, there has been growing interest in using them for designing planar waveguides for broadband MIR SC generation [14]. In one approach, ...
10
Aligned copper nanorod arrays for highly efficient generation of intense ultra-broadband THz pulses
... We demonstrate an intense broadband terahertz (THz) source based on the interaction of relativistic- intensity femtosecond lasers with aligned copper nanorod array targets. For copper nanorod targets with a length ...
8
A Novel Ultra-Broadband Rotated Cross Monopole Antenna for Wireless Communication
... Abstract—A novel broadband planar rotated cross monopole antenna, which consists of a vertical patch (area A) and a rotated horizontal patch (area B), is proposed. By rotating the horizontal patch, the bandwidth ...
6
Ultra wideband and Polarization Insensitive Perfect Absorber Using Multilayer Metamaterials, Lumped Resistors, and Strong Coupling Effects
... an ultra-wideband perfect metamaterial absorber with polarized-insensitivity and wide-incident absorp- ...the ultra-broadband absorption from ...
13
Ultra-Thin Tunable Plasma-Metasurface Composites for Extremely Broadband Electromagnetic Shielding Applications
... Plasma as the fourth state of matter is known as a dispersive and lossy medium [31–33], which introduces wide range electromagnetic (EM) applications. Interaction of EM waves with plasma has already been investigated ...
14
An evaluation of the broadband ecosystem in Western Downs region (WDR)
... use broadband Internet); and (2) control constructs (prior knowledge and experience, self- efficacy, and perceived cost ) which represent the perceived control over the personal or external factors that may ...
347
A SURVEY OF MOBILE WIMAX STANDARD
... global broadband wireless system based on IEEE ...provide broadband wireless access (BWA) up to 30 miles (50 km) for fixed station and 3 to 10 miles (5-15 km) for mobile stations with theoretical data rates ...
7
E-Korean DSL Policy: Implications for the United States, 20 J. Marshall J. Computer & Info. L. 417 (2002)
... In the United States, there is a widespread misconception about broadband technologies: the future of broadband is a shootout among competing technologies that will re[r] ...
29
Flexible surface acoustic wave broadband strain sensors based on ultra-thin flexible glass substrate
... Bending a SAW device leads to frequency shift, and is the principle of SAW strain sensor. The frequency shift under stress mainly results from two factors [4]: (1) deformation of the IDTs, hence the wavelength change of ...
6