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Magneto-optical properties of tellurium-arsenic-selenium glass (Te 20 As 30 Se 50) were measured and analyzed.A Verdet constant of 15.18 rad/T/m at 1950 nm with the figure of merit of more than 8.72 rad/T, which is the highest value reported in glass materials at this wavelength, was measured. From the values of slopes for Glass and water, 13.93±0.08 and 59.67±0.53 respectively, the values of Verdet constants for both can be obtained. The Verdet constant for glass is 1.79 × 10 − 5 rad Gcm . and for water is Verdet constant differs from the value measured from the bulk samples. The Verdet constant experienced by light in an optical ﬁber is different from that in bulk glass.

Compared to the host glass, Fe3O4 nanoparticles doped glasses shown enhanced Faraday Effect in term of Verdet constant and will have potential application in magneto-optical devices. Effect of Magnetite Nanoparticles Doped Glass with Enhanced Verdet Constant for Magnetic Optical Current Transducer Applications | Scientific.Net The Verdet constant is as large as 0.200 min G −1 cm −1 at 980 nm for 22.5GeS 2 –67.5Sb 2 S 3 –10PbI 2 composition glass, which is the largest value reported thus far for sulfide glasses; this glass also possesses good thermal and optical properties and therefore might be an attractive candidate for mid‐infrared magneto‐optical device applications. Faraday rotator glass has been used for magneto-optical isolator, switch, modulator and sensor. Faraday rotator glasses have been developed by LLG. TG20 is a high Verdet constant glass in common use.. merit of magneto-optical glass is the Verdet constant which is an intrinsic material property and represents the quantitative measure of Faraday rotation ability of Abstract- Verdet constant describes the strength of Faraday Effect for a particular material.

field component in the direction of the light propagation and V is the Verdet constant for the material (MKS units: radian/Tesla meter). This empirical proportionality constant varies with wavelength and temperature and is tabulated for various materials. The Verdet Constant, V, depends on the dispersion of the refractive index, dn/d where n

This material has A simple experiment for determining Verdet constants using alternating current magnetic fields cohol, methyl alcohol, BK7 glass, and aqueous solutions of. of light propagating through a medium due to the presence of a magnetic field. In this experiment, we aim to measure the Verdet constant of a glass rod (SF-57) t .

Although the Faraday effect is not itself chromatic, the verdet constant itself is quite strongly a function of wavelength. At 632.8 nm, the verdet constant for Faraday Rotator Glass is 0.329 - 0.37 whereas at 1064 nm, it has fallen to 0.108.

greater than a typical glass. Optical losses are lower for TGG than Tb-doped glasses. The combination of the above factors make … Exp-1 Observing the rotation of the polarization plane when polarized monochromatic light passes through flint glass under influence of a magnetic field. Exp-2 Determining Verdet's constant from the relation between rotation angle and magnetic flux. Exp-3 Verification of the relationship between Verdet's constant and wavelength.

This experiment is designed to measure the Verdet constant V through Faraday effect rotationof a polarized laser beam as it passes through different mediums, Flint Glass and water,. 4 pages, published by , 2015-05-23 14:09:02 . Tags: field, glass, water, magnetic, verdet, rotation, constant, flint, effect, values, verdet constant, magnetic 2014-01-28 The results show that the rate of change of the Verdet constant at different wavelengths has nothing to do with the Tb3+ concentration, but only with the effective transition wavelength. The effective transition wavelength of the sample was calculated by the formula, and the source of the magneto-optical effect of the rare earth doped magneto-optical glass was confirmed. TGG (Terbium Gallium Garnet) single crystal is currently the best and widely used magneto-optical material in Faraday rotator and isolator due to its extremely high Verdet constants in the range of 400nm-1100nm(excluding 475-500nm).
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On the other hand, very low values TGG has twice the Verdet constant of a Terbium-doped glass.

TGG (Terbium Gallium Garnet) single crystal is currently the best and widely used magneto-optical material in Faraday rotator and isolator due to its extremely high Verdet constants in the range of 400nm-1100nm(excluding 475-500nm). From a linear ﬁt to the data and using Eq. 3 , a Verdet constant of 29.37±0.96rad T −1m is obtained. This is in good agreement with the tabulated values of the Verdet con-stant for SF11 Schott glass 10 , from which we interpolate a Verdet constant of 30.44rad T −1m . Each data point in Fig. Authors: Liebenberg, D.H. Publication Date: Sat Jan 01 00:00:00 EST 1972 Research Org.: Los Alamos Scientific Lab., N. Mex. OSTI Identifier: 4673565 The objective of this experiment is to measure and analyze the Verdet constant for Corning 7980, a fused quartz glass with no previously published Verdet constant data.
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2014-01-28

The material used in this experiment to display the Faraday effect is an expensive piece of heavy flint glass in the form of a long prism. Verdet constant for several materials and obtain the value of e/m, the charge to mass ratio for the electron. Equipment Electromagnet (Atomic labs, 0028), magnet power supply (Cencocat.

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Verdet constant (V) and saturation Faraday rotation angle (θf) of studied films were increased linearly as a function of wavelength (λ) and considered

The wavelength and temperature dependencies of the Verdet constants of samples have been investigated in the ranges of 400 to 800 nm and 100 to 300 K. The results show field, verdet constant. Introduction he phenomenon of Faraday Effect was first discovered Michael Faraday in 1845. He discovered for the concrete evidence for the relation between the branch of Optics, magnetism and atomic Physics. He found out that when a block of glass is subjected to a strong magnetic field, it becomes Verdet Constant V (min/Oe.cm): 632.8nm-0.258-0.361: Verdet Constant V (min/Oe.cm): 1064nm-0.075-0.106 I CANNOT find a reference for the Verdet Constant of SF59 glass at 650nm (found V for many other wavelengths).