Terahertz Radiation
In physics, terahertz radiation refers to electromagnetic waves sent at frequencies in the terahertz range. It is also referred to as submillimeter radiation, terahertz waves, terahertz light, T-rays, T-light, T-lux and THz. The term is normally used for the region of the electromagnetic spectrum between 300 gigahertz (3x1011 Hz) and 3 terahertz (3x1012 Hz), corresponding to the submillimeter wavelength range between 1 millimeter (high-frequency edge of the microwave band) and 100 micrometer (long-wavelength edge of far-inf ....etc

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terahertz imaging seminar report

Terahertz imaging is an emerging and significant nondestructive evaluation (NDE) technique used for dielectric (nonconducting, i.e., an insulator) materials analysis and quality control in the pharmaceutical, biomedical, security, materials characterization, and aerospace industries.It has proved to be effective in the inspection of layers in paints and coatings,detecting structural defects in ceramic and composite materials and imaging the physical structure of paintings and manuscripts. The use of THz waves ....etc

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The terahertz transistor design -- a terahertz is a thousand gigahertz, or one trillion cycles a second an evolution of current designs, using new materials such as zirconium dioxide. Smaller transistors go faster but also leak more current when turned off and need a higher voltage to work, zirconium dioxide is a superior insulator that reduces this leakage and thus reduces power consumption while maintaining speed and low voltages. Intel says that the new design will work down to around 0.6v before long. According to Intel, the combined benef ....etc

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Terahertz Technology
Presented By:
Peter H. Siegel

Abstract
Terahertz technology applications, sensors, and sources are briefly reviewed. Emphasis is placed on the less familiar components, instruments, or subsystems. Science drivers, some historic background, and future trends are also discussed

INTRODUCTION
THESE DAYS, it is not possible to do justice to an entire field or give sufficient credit to all its deserving technical innovators in one short paper, even in a relatively narrow area of development li ....etc

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BASIC INSTRUMENTATION MEASURING DEVICES AND BASIC PID CONTROL


INTRODUCTION
Instrumentation is the art of measuring the value of some plant parameter,
pressure, flow, level or temperature to name a few and supplying a signal
that is proportional to the measured parameter. The output signals are
standard signal and can then be processed by other equipment to provide
indication, alarms or automatic control. There are a number of standard
signals; however, those most common in a ....etc

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Imaging technology has a rich history that began thousands of years ago. The reflection from a pool of still water or a shiny metal surface was arguably the first imaging method routinely used by mankind. With the advent of lenses, many other novel forms of optical imaging emerged, including telescopes and microscopes.

Using a lens, a pinhole camera, and a sensitized pewter plate, Ni?pce was the first person to permanently record an image. Optical photography and other forms of optical imaging have since become commonplace.

Of course, im ....etc

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MOS transistor is the building block of integrated circuits, and is the engine that powers them. Today?s most complex ICs, such as microprocessors, graphics, and DSP chips, pack more than 100 million MOS transistors on a single chip. Integration of one billion transistors into a single chip will become a reality before 2010.

The semiconductor industry faces an environment that includes increasing chip complexity, continued cost pressures, increasing environmental regulations, and growing concern about energy consumption. New materials an ....etc

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