related topics for basics of pmdc motor ....etc

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ABSTRACT

Surface plasmon resonance (SPR) is a phenomenon occurring at metal surfaces(typically gold and silver) when an incident light beam strikes the surface at a particular angle.Depending on the thickness of a molecular layer at the metal surface,the SPR phenomenon results in a graded reduction in intensity of the reflected light.Biomedical applications take advantage of the exquisite sensitivity of SPR to the refractive index of the medium next to the metal surface, which makes it possible to measure accurately the adsorption of molecul ....etc

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At an interface between two transparent media of different refractive index (glass and water), light coming from the side of higher refractive index is partly reflected and partly refracted. Above a certain critical angle of incidence, no light is refracted across the interface, and total internal reflection is observed. While incident light is totally reflected the electromagnetic field component penetrates a short (tens of nanometers) distance into a medium of a lower refractive index creating an exponentially detenuating evanescent wave. If ....etc

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basucs of IP V6

Need of IPv6

As we are nearly out of the four billion addresses available in IPv4, IPv6 could be the solution to many problems.

IPv6 addresses are four times the size of IPv4 addresses.

An IPv4 address has 32 bits, while IPv6 address has 128 bits.

For IPv4, this pool is 32-bits (232) in size and contains 4,294,967,296 IPv4 addresses.

The IPv6 address space is 128-bits (2128) in size, containing 340,282,366,920,938,463,463,374,607,431,768,211,456 IPv6 addresses. ....etc

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At an interface between two transparent media of different refractive index (glass and water), light coming from the side of higher refractive index is partly reflected and partly refracted. Above a certain critical angle of incidence, no light is refracted across the interface, and total internal reflection is observed. While incident light is totally reflected the electromagnetic field component penetrates a short (tens of nanometers) distance into a medium of a lower refractive index creating an exponentially detenuating evanescent wave. If ....etc

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PRESENTED By:
Mohammad Hossein Banitaba


History of surface plasmon resonance
• Since its first observation by Wood in 1902 ,the physical phenomenon of surface plasmon resonance (SPR) has found its way into practical applications in sensitive detectors, capable of detecting sub-monomolecular coverage.
• Wood observed a pattern of ‘‘anomalous’’ dark and light bands in the reflected light, when he shone polarized light on a mirror with a diffraction grating on its surface.
• a complete explanat ....etc

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SURFACE PLASMON RESONANCE NANOLASERS
HARIPRASAD.K
S7B

OVERVIEW
INTRODUCTION
WHAT IS SPR?
SURFACE PLASMON SPECTROSCOPY
LASER BASICS
SPASER
THEORY OF SPASER
COMPARING LASER & SPASER
DEMONSTRATION OF SPASER
ADVANTAGES
APPLICATIONS
CONCLUSION & FUTURE SCOPE
REFERENCES



Introduction
Surface plasmons
oscillations of electrons
found in boundary b/w metal & dielectric
intensity max across the surface

How to excite a SP?
....etc

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Surface plasmon resonance
ABSTRACT

Surface plasmon resonance (SPR) is a phenomenon occurring at metal surfaces(typically gold and silver) when an incident light beam strikes the surface at a particular angle.Depending on the thickness of a molecular layer at the metal surface,the SPR phenomenon results in a graded reduction in intensity of the reflected light.Biomedical applications take advantage of the exquisite sensitivity of ....etc

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I want information on BUSINESS INTELLIGENCE.
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[email protected] ....etc

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The effect of sub surface defects in surface roughness monitoring through ultrasonic flaw detector.
Objective
 To study the effect of sub surface defects in surface roughness monitoring through ultrasonic flaw detector.
 To study the sizing of defects.
Ultrasound Concepts
• All sound waves, whether audible or ultrasonic, are mechanical vibrations involving movement of the medium in which they are traveling. A sound wave may be transmitted through any material which behaves in an elastic manner.
....etc

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