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We theoretically investigate the effects of the carrier-envelope phase (CEP) in the low-intensity regime where multiphoton ionization is the dominant mechanism for ionization. For atoms with low-ionization threshold such as Cesium, total ionization yield barely exhibits phase dependence. However, population of some bound states clearly shows dependence on the CEP. This implies that the measurement...
This paper presents a simple printing process to design a novel piezoelectric energy harvest device made from (VDF/TrFE) copolymers. The fabrication process using metal nano-ink and a household printer dramatically reduced the fabrication complexity. Additionally, this process employed low temperatures and thus the structural damage of the polymers resulting from high temperature annealing could be...
Nivalenol (NIV) is a mycotoxin contaminated in wheat and barley affected by Fusarium head blight (FHB, Fig. 15.1). FHB is caused by the infection of wheat, barley and maize by Fusarium.Fusarium mycotoxins are produced in the infected plants and accumulate in agricultural products. The majority of Fusarium mycotoxins giving rise to food safety concerns are trichothecene mycotoxins possessing...
We report on the design, implementation and performance of a laminate named Thermal Power Plane and solder joints that enable dual-side electrical interconnects (EIC) to a chip stack. This novel packaging topology with a laminate on both sides of the chip stack doubles the number of EIC thus supporting increased communication bandwidth and power density. In addition, in a two-die stack, all power...
Control moment gyros (CMGs) offer the advantage of being able to generate large torque, therefore; they are commonly used to provide attitude control in heavy satellites and agile attitude control in small spacecrafts. On the other hand, a CMG possesses singularity, owing to which it becomes impossible to generate a desired torque if a CMG reaches singularity. In this paper, we propose a method of...
It is important for reliable diagnosis technique to clarify electromagnetic (EM) wave propagation characteristics at the impedance discontinuity part in gas insulated switchgear (GIS) like spacer, disconnecting part, L branch, and T branch. In this paper the influence of the existence of the insulating spacer on the partial discharge (PD) induced EM wave propagating through T-Branch of 154 kV GIS...
This paper deals with effect of excitation current waveform on PD induced electromagnetic wave propagation and attenuation in straight 154 kV GIS model tank with epoxy spacers. An attempt was made to determine a standard wave shape of experimentally obtained EM wave for the simulated ones obtained by changing the rise time tr of the excitation waveform of Gaussian pulse from 25 ps to 200 ps with the...
Book arrangement task is still executed by humans, and it has not been mechanized, yet. So, we are developing a book arrangement robot system. Our developed system can insert the grasping book to the narrow gap in the bookshelf or in case the side book is inclined. We have constructed an operation by the robot arm based on the human operation. Physical models of the book for examining the conditions...
In recent years, RFID (radio frequency identification) systems are widely developed. There are many types of RFID tag and each tag is used for suitable application. The wristband type RFID tag is one of the applications for personal identification. In case an RFID tag is used close to a human, the human body affects the characteristics of the RFID antenna. In this paper, a reflector-loaded antenna...
By solving the three-dimensional Schr??dinger equation for the sodium and hydrogen atoms we demonstrate that the above-threshold ionization spectra strongly depend on the chirprates of fs laser pulses.
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