A photonic crystal fiber selectively filled with silver nanoparticles dispersed in polydimethylsiloxane has been numerically studied via finite elements analysis. These nanoparticles possess a localized surface plasmon resonance in the visible region which depends on the refractive index of the surrounding medium. The refractive index of polydimethylsiloxane can be thermally tuned leading to th...

The fiber-optic radio system was proposed to solve the cost problem of micro/picocell system. In this system, all channel elements in a system can be dynamically assigned when the SDS is used. In this paper, we analyzed the performance of soft handoff used as intergroup handoff in the CDMA based fiber-optic cellular system with SDS. Performance is evaluated in view of blocking and handoff refus...

We present, for the first time to our knowledge, experimental demonstration of tunable optical beamforming phased array antennas using a few-mode fiber. The double-clad step-index fiber is dispersion engineered such that it operates as continuously 5-sample true-time delay line, enabling continuous steering beam-pointing angle. Using this approach, we measure radiation pattern from 5 elements a...

We account some detailed calculation of irreducible character values $G_n$ with application to estimate fiber size the commutator map over regular semisimple and central elements $\SL_n$.

In this chapter, we propose several schemes for fiber amplifiers which are all using fiber Bragg gratings (FBGs) as the key elements for their advantages of better uniformity, higher contrast ratio and lower cost. Several applications using FBG-based fiber amplifiers are also introduced. Therefore, this chapter initiates the overview of FBGs characteristics in Sec. 1, then addresses the FBGs pl...

In this paper, a numerical model considering the embedment reaction of column foot by beam-column finite element method was proposed for evaluating restoring force characteristics rocking in traditional timber structures. Wood compression tests contact with stones were conducted to investigate and initial deformation generated at end wood, these considered model. The validity applicability veri...