Presented By:
Y. Phaneendra Kumar and R. M. Vasu
Department of Instrumentation, Indian Institute of Science
Abstract-
For near infrared imaging of neonatal head surrounded by cerebrospinal fluid layer, we have developed an imaging modality, which uses perturbation Monte-Carlo estimation of Jacobian of the forward model for photon propagation. In this case, we have shown that the conventional techniques, which uses diffusion approximation for light transport in tissue, fails to give the reconstruction of tissue optical prope ....etc

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To investigate the dependence, of the angle of deviation, on the angle of incidence, using a hollow
prism filled, one by one, with different transparent fluids.. ....etc

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CONDUCTIVITY σ ,FERMI LEVEL ,
MEAN FREE PATH &
RELAXATION TIME ť
FOR TYPICAL MONO-VALENT METALS
IS SHOWN IN TABLE

The conductivity σ may be obtained experimentally .
Further we can get ť by using eqn given below
σ = ( n*Qe2 *ť )/me ---------(1)
but ť obtained may not be accurate but we will get an idea of magnitude of ť . In a monovalent metal no of free e- /m3 is equals the no of atoms /m3 . From table we find that relaxation time T is of the order of 10-14 sec .Thus we can ....etc

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i want the readings for dependence of angle of deviation on the angle of incidence by using a hollow prism filled one by one with water,kerosene oil & turpentile oil ....etc

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please show me the project To investigate the dependence, of the angle of deviation, on the angle of incidence, using a hollow prism filled, one by one, with different transparent fluids. ....etc

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To investigate the dependence, of the angle of deviation, on the angle of incidence, using a hollow prism filled, one by one, with different transparent fluids. ....etc

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SCATTERING PARAMETERS OF CIRCULATOR

SCATTERING PARAMETERS OF CIRCULATOR


AIM: To study the operation of ferrite circulator and hence measure
i. Insertion loss ii. Isolation iii. And to determining S parameters

EQUIPMENT: Microwave Source (RKO/GO), Isolator, Variable Attenuator, Frequency meter, Slotted line , Tunable probe with detector, detector mount with detector, VSWR meter, Circulator and Matched Terminations-2.

THEORY: The circulator is a multi port junction that permits transmission ....etc

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ggvbnklkfdudfdhgdfggghghdggfgdgdudufuyffffffffffghhjjjjjiiugffssfghjhdffggfffdfdfffffggh ....etc

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Wide angle X-ray scattering (WAXS) is an X-ray diffraction technique that is often used to determine the crystalline structure of polymers. This technique refers to the analysis of Bragg Peaks scattered to wide angles, implies that they are caused by sub-nanometer sized structures.Wide angle x-ray scattering is the same technique as Small-Angle X-ray Scattering (SAXS) with the distance from sample to the detector is shorter and thus diffraction maxima at larger angles are observed.The technique is a time-honored but a somewhat out-of-favor tec ....etc

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