TechSci Research Adds Report on Global Pico Projector Market
July 31, 2014
Increasing demand from Americas and Asia-Pacific coupled with growing adoption by SMEs to augment global pico projector market through 2019 Ever since their introduction in the global market in 2009, pico projectors have revolutionized the global projector market. Although the market is still in nascent stage, the demand for pico projectors has been registering significant growth over the last few years. Key factors driving the global pico projector market include rising demand from emerging markets, expanding SMB segment, increasing IT spending and rising mobile workforce across the globe. In 2013, global pico projector sales registered a two-fold increase compared to 2012. During its initial years, the market for stand-alone pico projectors witnessed lower adoption due to high pricing and low confidence of customers towards small sized projectors. However, the scenario has changed over the last two years with the emergence of high-end and comparatively low-cost stand-alone pico projectors offered by companies such as AAXA Technologies, Philips, 3M, Optoma Technology, etc.

Monolithic InP-based coherent transmitter photonic integrated circuit with 2.25 Tbit/s capacity
July 31, 2014
Introduction Photonic integration has been a key enabler of the performance and economic expansion of advanced fibre optic networks [1]. For decades, discrete light-emitting diodes and direct-modulated lasers led the optical transmitter technology. Higher bit rates and increased transmission reach demanded higher quality signals, which ushered in the use of external LiNbO3 modulators and integrated electro-absorption (EA) modulators. Following these and several other key technological advancements, the first commercialised large-scale transmitter photonic integrated circuits (PICs) consisted of 10 tunable lasers and 10 EA modulators at 10 Gbit/s, with more than 50 functions monolithically integrated onto a single chip. These PICs contained all of the requisite functions for a 10-channel dense wavelength division multiplexed transmitter. Transmission at higher data rates required enhanced spectral efficiency, and so phase modulation and polarisation multiplexing in conjunction with digital signal processing were adopted to realise coherent optical communication systems. We have earlier reported on the implementation of monolithically integrated 10 × 45.6 Gbit/s differential quaternary phase-shift keying (DQPSK) [2], 500 Gbit/s QPSK [3] and a higher bit rate of 112 Gbit/s for 10-channel Rx [4] and Tx coherent PICs, with the Tx PIC integrating over 400 functions onto a single InP-based chip [5].

Electric-LC resonators at microwave for oil sensing
July 31, 2014
Introduction The expansion of electric-LC (ELC) resonators and their recent demand for extended interdisciplinary functionality has led to significant research into using these microwave structures for chemical sensing. The ELC resonators at microwave frequency have been previously discussed for designing metamaterial resonators, absorbers and reflectors [1–3]. Moreover, ELC resonators have also been reported in the literature for developing frequency selective surfaces (FSSs) and velocity sensors for tuning and sensing [4–7]. Design simplicity, low cost and relative ease of fabrication of ELC resonators make them a highly attractive alternative for sensing at microwave frequency. In this Letter, we investigate the frequency response of a modified ELC resonators array by varying the number of standard oil samples. The measured frequency response curve caused by each sample is then fitted to the exact ELC resonators full-wave model. Through this, the corresponding relative permittivity of each case is extracted and is then compared with the dielectric constant values previously reported in the literature.

Sony DADC BioSciences and TSMC Garner AACC Industry Division Award
July 31, 2014
The 2014 American Association for Clinical Chemistry (AACC) awarded Sony DADC BioSciences and Taiwan Semiconductor Manufacturing Co. (TSMC) with its Best Abstract of Interest to the Industry Division Award.

Electronically tunable reflectarray element based on C-patch coupled to delay line
July 31, 2014
Introduction Microstrip reflectarray antennas have become an attractive alternative to the parabolic reflector antenna owing to their low cost, low-profile structure, light weight and simple fabrication [1, 2]. Recently, electronically reconfigurable reflectarrays have attracted more attention. In the design of an electronically beam steering reflectarray, the main challenge is to find reflectarray elements which have the capability to control the reflected phase for a range of over 360° when integrated with active components. Although single-layer structures [3] show a fabrication simplicity, their drawback is the interference of the biasing network to the radiation. The aperture-coupled reflectarray elements [4–7] can overcome it since the phase shifter is placed on the non-radiation surface, which is separated from the radiating patch by a common ground plane. Especially, the aperture-coupled reflectarray element can control the phase shift by integrating various kinds of active devices such as the pin diode [4], MEMS [5, 6] or the varactor [7] to the delay line.

Cleveland Utilities studies adding telecom services
July 30, 2014
By Paul Leach Staff Correspondent CLEVELAND, Tenn. -- Cleveland Utilities could add telecommunications to its utility services if a feasibility study shows the financial viability of delivering Internet, telephone and television to Bradley County homes and businesses.

Sprint LivePro
July 24, 2014
Part mobile hotspot, part projector, and part Android tablet, the ZTE-made Sprint LivePro ($449.99 or $299.99 with a two-year contract) is an audacious digital multi-tool. This Franken-device made its debut at CES, where it simultaneously left us in awe and scratching our heads. It's a self-contained, portable presentation room or home theater, depending on your needs. But is it an unholy matrimony of mobile tech, or are ZTE and Sprint onto something? For the vast majority of people, the LivePro will simply be too expensive and not useful enough to justify the cost. If you need a hotspot, grab the Netgear Zing Mobile Hotspot, our reigning Editors' Choice on Sprint. If you need a portable projector, check out the AAXA P4-X Pico Projector, another Editors' Choice. But if you do find yourself constantly on the road, giving impromptu presentations or entertaining unruly kids, the LivePro could be a godsend, thanks to its no-hassle, all-in-one design.

Panasonic Toughpad 4K Performance (UT-MA6)
July 21, 2014
When Panasonic first showed off the Toughpad 4K at CES, we were gobsmacked. Incredible 4K resolution on a huge screen! A portable tablet design! It was exciting because the Panasonic Toughpad 4K was unlike anything else we had seen: a large-screen tablet, with rugged business utility built in. Fast forward to today, and we find ourselves a bit stymied for many of the same reasons. The Panasonic Toughpad 4K Performance (UT-MA6) ($6,999 as tested) is ostensibly made for professionals, but it's anodd product that doesn't fit neatly into any oneproduct category.

Room-temperature ferromagnetism of single-crystalline MoS2 nanowires
July 01, 2014
1Introduction Solid molybdenum disulphide (MoS2) has a distinct layered structure, in which each Mo layer is sandwiched between two sulphur layers [1–5]. Bulk MoS2 has wide applications in the fields of solid lubricants [6–8], catalyst [9, 10] and energy storage [11]. Since the hexagonal layered structure of MoS2 is similar to that of graphite [1], mechanical exfoliation has been successfully applied to isolate the monolayer MoS2 [12–14]. The monolayer MoS2 has also been grown on a Cu substrate [15]. The success in isolating the monolayer MoS2 renders the fabrication of one-dimensional MoS2 nanostructures such as MoS2 nanoribbons and single-walled MoS2 possible [14, 16–20]. Unlike graphene, which is a zero-gap semi-metal or bulk MoS2 which is a semiconductor with an indirect gap, the monolayer MoS2 has been shown by both experiments and first-principles calculations to be a semiconductor with a direct bandgap [12, 21–23]. The direct bandgap character opens the possibility for the application of the monolayer MoS2 as transistors [14, 16, 17, 21, 24], light-emitting diodes and solar cells.

Modelling and calibration of microthermal sensor for underwater wall shear stress measurement
July 01, 2014
1Introduction The measurement of wall shear stress for hydrodynamic applications has been a subject of extensive research for many years. For example, wall shear stress sensors have been developed for active drag reduction and for flow separation detection of unmanned aerial vehicles. In reality, there are a lot of applications that require underwater wall shear stress sensors. Existing measurements of wall shear stress can be categorised into two distinct classes: direct methods [1–4] and indirect methods [5–7]. In general, direct methods, for example, floating elements, are not suitable for underwater application. They are susceptible to contamination by dust and moisture from the medium when placed in water. Also, their electrical characteristics change a lot the making it difficult to measure the signal of the sensor.


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