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2 edition of Development of the electro-optic Kerr effect for particulate size analysis. found in the catalog.

Development of the electro-optic Kerr effect for particulate size analysis.

Kevin Parslow

Development of the electro-optic Kerr effect for particulate size analysis.

by Kevin Parslow

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Published by Brunel University in Uxbridge .
Written in English


Edition Notes

ContributionsBrunel University. Department of Physics.
The Physical Object
Pagination219p. :
Number of Pages219
ID Numbers
Open LibraryOL14471891M

The Kerr effect exists in any medium with a symmetrical structure. The electro-optic coefficient is small (10 −16 to 10 −14 m/V 2), and therefore, sensors based on the Kerr effect have a low sensitivity and are typically used in the study of E-field distributions in transformer oil [21,22]. This effect was discovered in the latter part of the 19th century by a Scottish physicist, John Kerr. The same behaviour in solids is sometimes called the Pockels effect. The Kerr cell, also referred to as a Kerr electro-optical shutter, is a device employing the Kerr effect .

CHAPTER IV (OTHER DEVICES) Electro Optic Effect Electro optic effect can be observed when light propagates through a crystal in the presence of an Electric Field. The electric field applied to the crystal can alter or induce birefringence by changing the refractive index of the medium. This effect is known as electro optic effect. The development of the laser has largely been responsible for the tremendous growth of interest during the past decade and a half in the study of the electro-optic and Electro-Optic Effects in Crystals: Pockels Linear Electro-Optic and Kerr Quadratic Electro-Optic Effects. In: Photoelastic and Electro-Optic Properties of Crystals.

Kerr Electro-optic Effect (DC Kerr Effect) In this context, one considers a slowly varying electric field, which is applied to some medium, e.g. to a piece of glass using two electrodes. A light beam passing the glass can then experience a polarization -dependent change of optical phase which is proportional to the square of the voltage applied. Title: Enhanced Kerr electro-optic nonlinearity through cascaded Pockels effects Authors: Guang-Zhen Li, Yu-Ping Chen, Hao-Wei Jiang, and Xian-Feng Chen Affiliations: 1State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Physics and Astronomy, Shanghai Jiao Tong University, Dongchuan Road.


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Development of the electro-optic Kerr effect for particulate size analysis by Kevin Parslow Download PDF EPUB FB2

Development of the electro-optic Kerr effect for particulate size analysis. Author: Parslow, K. ISNI: Awarding Body: University of Brunel Current Institution: Brunel University Date of Award: Availability of Full Text. Development of the electro-optic Kerr effect for particulate size analysis.

By K Parslow and Uxbridge (United Kingdom) Brunel Univ. Abstract. SIGLEAvailable from British Library Lending Division - LD:D/85 / BLDSC - British Library Document Supply CentreGBUnited Kingdo.

Returning to the discovery and development of electro-optic Kerr effect, in John Kerr published a paper entitled “A new relation between electricity and light” in which he presented for the first time the observation of birefringence generated by an electric field in several liquids, including carbon disulphide, benzene, paraffin oil and turpentine, among by: 4.

The last mentioned enable the experi­ menter to study the Kerr effect not only for its amplitude but also in the time domain. The rates of molecular response to the switching of the electric field lead directly to information on the size and geo­ metry of the constituent molecules and particles in a.

electro-optic Kerr effect (electric-field-induced birefringence) in gases. Mr Sono presented experimental results for dimethyl ether at a wavelength of nm, extracting polarizability tensor components, first and second Kerr hyperpolarizabilities, and second Kerr-effect virial coefficients for.

A polymer‐stabilized liquid‐crystal blue phase with a Kerr constant times larger than that of nitrobenzene is shown to be capable of microsecond electro‐optical switching over a wide temperature range in flat Kerr cells, without need for additional surface processing to generate alignment.

The Figure shows a polarizing optical micrograph, under crossed polarizers, of an in‐plane. Quadratic Electro-Optic Kerr Effect: Applications to Photonic Devices Article (PDF Available) in IEEE Journal of Quantum Electronics 44(8) - September with 1, Reads. Apparatus and techniques are demonstrated which allow gas phase dc electro-optic Kerr effect measurements to be made with % absolute accuracy and nanoradian sensitivity.

Measurements of the electric-field-induced birefringence of a gas are calibrated against a liquid. and r is the electro-optic coefficient for the Pockels effect and n is the refractive index in the absence of an applied electric field. The derivation of the Pockels coefficient r is based on the dependence of the refractive index on the electric polarization P, and the analysis involves tensors.

For electrorefraction at the indirect gap, we find Delta n = times 10^{5} at lambda = mu m when E = 10^{5} V/cm, while the Kerr effect gives Delta n = 10^{-6} at that field strength. Placing a sinusoidally driven air capacitor in the intracavity beam path of a mode-locked few-cycle Ti:sapphire oscillator, we measure the influence of the electro-optical Kerr effect on the carrier-envelope phase of the laser pulses.

Using a capacitor length of only 8 cm at atmospheric pressure, we observe a Kerr-induced frequency modulation of the carrier-envelope beat note. The Kerr effect, also called the quadratic electro-optic effect, is a change in the refractive index of a material in response to an applied electric field.

The Kerr effect is distinct from the Pockels effect in that the induced index change is directly proportional to the square of the electric field instead of varying linearly with it. All materials show a Kerr effect, but certain liquids display it more strongly than others. Abstract.

Optical anisotropy can be manifest for colloidal particles through a number of phenomena [1]. Birefringence, dichroism and light scattering arise from variability of refractive index, absorption coefficient or geometry associated with the different principal axes of the particles.

Both the Kerr and Pockels effect are applied in components that are used in optical signal-processing applications and on optical communications as a whole. The Kerr effect has two types: Electro-Optical Effect: Through the slow application of an external, varying electrical field to a Kerr medium, the material will develop two indexes of refraction.

All centrosymmetric media exhibit only the Kerr electro-optic effect, also called Kerr effect, where the refractive index change is proportional to the square of the electric field strength, and is typically much weaker than for the linear effect within the range of electric field strength which the material can tolerate.

Optically-isotropic nanoencapsulated liquid crystal displays based on Kerr effect Seung-Gon Kang1,2 and Jae-Hoon Kim1,* 1Department of Electronic Engineering, Hanyang University, Seoul,South Korea 2Image Lab Corp., RoomAITA, Wongok-Dong, Danwon- Gu, Ansan-Si, Gyeonggi-Do,South Korea * [email protected] Abstract: An innovative liquid crystal display (LCD.

The research activities on the phenomenon of Magneto-optic Effects has recently promulgated due to its versatile use in magneto-optic recordings for high density magnetic data storage, magnetic field sensors and its applications in magneto-electronics.

The discovery of magneto-optical effects evoked a new thought that the nature of light was an electromagnetic entity, and played a central role. Abstract: The theoretical background to calculate the effective index tuning using the ultrafast electro-optic Kerr effect and a design of slot waveguide geometry are presented.

Analysis of the slot waveguide ring resonator with silicon nanocrystals as the active medium to implement the CMOS compatible electro-optic Kerr effect modulator indicates a modulation bandwidth of 51 GHz, therefore.

Kerr effect (or quadratic electro-optic effect, QEO effect): change in the refractive index proportional to the square of the electric field. All materials display the Kerr effect, with varying magnitudes, but it is generally much weaker than the Pockels effect; electro-gyration: change in the optical activity.

Electron-refractive effect or EIPM. Quadratic electro-optic effect (Kerr effect) S l S ij ijklEk E εNL =3χ(3) (S) k S l j S l S k j S l S Pi =εχijEj +χijkl EjEk E +E E E +E E E (3) 0 Kerr effect can be of a great importance in the media where the Pockels effect vanishes (centrosymmetric media): The same treatment can be used as for the linear Pockels effect; the following.

Kerr effect or quadratic electro-optic Kerr effect [10,12], an inherently phase matched process. Here, we demonstrate the electric field-induced DC Kerr effect and second harmonic generation (EFISHG) in integrated silicon ridge waveguides. The waveguides were implanted with ions to form compact p-i-n junctions, which concentrate electric.

Large Electro‐optic Kerr Effect in Nanostructured Chiral Liquid‐Crystal Composites over a Wide Temperature Range † Y. Haseba Institute for Materials Chemistry and Engineering, Kyushu University, 6‐1 Kasuga‐Koen, Kasuga ‐, Japan.Nonlinear optical properties of metal nanoparticles: a review. The most prominent examples of these phenomena include Pockel's and Kerr electro-optic effects.

6 The theory of nonlinear optics is based on the well nm, nm, and nm for the 37 nm, 70 nm, nm, and nm sizes, respectively. With the increasing particle size.