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# Optical rotation

Optical rotation or optical activity (sometimes referred to as rotary polarization) is the rotation of the plane of polarization of linearly polarized light as it travels through certain materials. [1]

64 relations: Akhlesh Lakhtakia, Amorphous solid, Aqueous solution, Basis (linear algebra), Biomolecular structure, Birefringence, Camphor, Chemical synthesis, Chirality, Chirality (chemistry), Cholesterol, Circular dichroism, Circular polarization, Cryptochirality, Crystal, Dextrorotation and levorotation, Dispersion (optics), Electric field, Enantiomer, Enantiomeric excess, Faraday effect, Fluid, François Arago, Fructose, Fused quartz, Geometric phase, Glucose, Helix, Hydrolysis, Imaginary unit, Inorganic chemistry, Inverted sugar syrup, Jacobus Henricus van 't Hoff, Jean-Baptiste Biot, John Herschel, Joseph Achille Le Bel, Kramers–Kronig relations, Lees (fermentation), Linear polarization, Liquid-crystal display, Louis Pasteur, Magnetic field, Mirror image, Optic axis of a crystal, Optical rotatory dispersion, Phase velocity, Phasor, Plane of polarization, Polarimeter, Polarimetry, ... Expand index (14 more) »

## Akhlesh Lakhtakia

Akhlesh Lakhtakia is Evan Pugh University Professor and Charles Godfrey Binder Professor of Engineering Science and Mechanics at the Pennsylvania State University.

## Amorphous solid

In condensed matter physics and materials science, an amorphous (from the Greek a, without, morphé, shape, form) or non-crystalline solid is a solid that lacks the long-range order that is characteristic of a crystal.

## Aqueous solution

An aqueous solution is a solution in which the solvent is water.

## Basis (linear algebra)

In mathematics, a set of elements (vectors) in a vector space V is called a basis, or a set of, if the vectors are linearly independent and every vector in the vector space is a linear combination of this set.

## Biomolecular structure

Biomolecular structure is the intricate folded, three-dimensional shape that is formed by a molecule of protein, DNA, or RNA, and that is important to its function.

## Birefringence

Birefringence is the optical property of a material having a refractive index that depends on the polarization and propagation direction of light.

## Camphor

Camphor is a waxy, flammable, white or transparent solid with a strong aroma.

## Chemical synthesis

Chemical synthesis is a purposeful execution of chemical reactions to obtain a product, or several products.

## Chirality

Chirality is a property of asymmetry important in several branches of science.

## Chirality (chemistry)

Chirality is a geometric property of some molecules and ions.

## Cholesterol

Cholesterol (from the Ancient Greek chole- (bile) and stereos (solid), followed by the chemical suffix -ol for an alcohol) is an organic molecule.

## Circular dichroism

Circular dichroism (CD) is dichroism involving circularly polarized light, i.e., the differential absorption of left- and right-handed light.

## Circular polarization

In electrodynamics, circular polarization of an electromagnetic wave is a polarization state in which, at each point, the electric field of the wave has a constant magnitude but its direction rotates with time at a steady rate in a plane perpendicular to the direction of the wave.

## Cryptochirality

In stereochemistry, Cryptochirality is a special case of chirality in which a molecule is chiral but its specific rotation is non-measurable.

## Crystal

A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

## Dextrorotation and levorotation

Dextrorotation and levorotation (also spelled as laevorotation)The first word component dextro- comes from Latin word for dexter "right (as opposed to left)".

## Dispersion (optics)

In optics, dispersion is the phenomenon in which the phase velocity of a wave depends on its frequency.

## Electric field

An electric field is a vector field surrounding an electric charge that exerts force on other charges, attracting or repelling them.

## Enantiomer

In chemistry, an enantiomer, also known as an optical isomer (and archaically termed antipode or optical antipode), is one of two stereoisomers that are mirror images of each other that are non-superposable (not identical), much as one's left and right hands are the same except for being reversed along one axis (the hands cannot be made to appear identical simply by reorientation).

## Enantiomeric excess

Enantiomeric excess (ee) is a measurement of purity used for chiral substances.

In physics, the Faraday effect or Faraday rotation is a magneto-optical phenomenon—that is, an interaction between light and a magnetic field in a medium.

## Fluid

In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress.

## François Arago

Dominique François Jean Arago (Domènec Francesc Joan Aragó), known simply as François Arago (Catalan: Francesc Aragó) (26 February 17862 October 1853), was a French mathematician, physicist, astronomer, freemason, supporter of the carbonari and politician.

## Fructose

Fructose, or fruit sugar, is a simple ketonic monosaccharide found in many plants, where it is often bonded to glucose to form the disaccharide sucrose.

## Fused quartz

Fused quartz or fused silica is glass consisting of silica in amorphous (non-crystalline) form.

## Geometric phase

In classical and quantum mechanics, the geometric phase, Pancharatnam–Berry phase (named after S. Pancharatnam and Sir Michael Berry), Pancharatnam phase or most commonly Berry phase, is a phase difference acquired over the course of a cycle, when a system is subjected to cyclic adiabatic processes, which results from the geometrical properties of the parameter space of the Hamiltonian.

## Glucose

Glucose is a simple sugar with the molecular formula C6H12O6.

## Helix

A helix, plural helixes or helices, is a type of smooth space curve, i.e. a curve in three-dimensional space.

## Hydrolysis

Hydrolysis is a term used for both an electro-chemical process and a biological one.

## Imaginary unit

The imaginary unit or unit imaginary number is a solution to the quadratic equation.

## Inorganic chemistry

Inorganic chemistry deals with the synthesis and behavior of inorganic and organometallic compounds.

## Inverted sugar syrup

Invert(ed) sugar (syrup) is an edible mixture of two simple sugars—glucose and fructose—that is made by heating sucrose (table sugar) with water.

## Jacobus Henricus van 't Hoff

Jacobus Henricus van 't Hoff, Jr. (30 August 1852 – 1 March 1911) was a Dutch physical chemist.

## Jean-Baptiste Biot

Jean-Baptiste Biot (21 April 1774 – 3 February 1862) was a French physicist, astronomer, and mathematician who established the reality of meteorites, made an early balloon flight, and studied the polarization of light.

## John Herschel

Sir John Frederick William Herschel, 1st Baronet (7 March 1792 – 11 May 1871) was an English polymath, mathematician, astronomer, chemist, inventor, experimental photographer who invented the blueprint, and did botanical work.

## Joseph Achille Le Bel

Joseph Achille Le Bel (21 January 1847 in Pechelbronn – 6 August 1930, in Paris, France) was a French chemist.

## Kramers–Kronig relations

The Kramers–Kronig relations are bidirectional mathematical relations, connecting the real and imaginary parts of any complex function that is analytic in the upper half-plane.

## Lees (fermentation)

Lees are deposits of dead yeast or residual yeast and other particles that precipitate, or are carried by the action of "fining", to the bottom of a vat of wine after fermentation and aging.

## Linear polarization

In electrodynamics, linear polarization or plane polarization of electromagnetic radiation is a confinement of the electric field vector or magnetic field vector to a given plane along the direction of propagation.

## Liquid-crystal display

A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals.

## Louis Pasteur

Louis Pasteur (December 27, 1822 – September 28, 1895) was a French biologist, microbiologist and chemist renowned for his discoveries of the principles of vaccination, microbial fermentation and pasteurization.

## Magnetic field

A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.

## Mirror image

A mirror image (in a plane mirror) is a reflected duplication of an object that appears almost identical, but is reversed in the direction perpendicular to the mirror surface.

## Optic axis of a crystal

An optic axis of a crystal is a direction in which a ray of transmitted light suffers no birefringence (double refraction).

## Optical rotatory dispersion

Optical rotatory dispersion is the variation in the optical rotation of a substance with a change in the wavelength of light.

## Phase velocity

The phase velocity of a wave is the rate at which the phase of the wave propagates in space.

## Phasor

In physics and engineering, a phasor (a portmanteau of phase vector), is a complex number representing a sinusoidal function whose amplitude (A), angular frequency (ω), and initial phase (θ) are time-invariant.

## Plane of polarization

The term plane of polarization refers to the direction of polarization of linearly-polarized light or other electromagnetic radiation.

## Polarimeter

A polarimeter is a scientific instrument used to measure the angle of rotation caused by passing polarized light through an optically active substance.

## Polarimetry

Polarimetry is the measurement and interpretation of the polarization of transverse waves, most notably electromagnetic waves, such as radio or light waves.

## Polarization (waves)

Polarization (also polarisation) is a property applying to transverse waves that specifies the geometrical orientation of the oscillations.

## Polarization rotator

A polarization rotator is an optical device that rotates the polarization axis of a linearly polarized light beam by an angle of choice.

## Quartz

Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.

## Racemic mixture

In chemistry, a racemic mixture, or racemate, is one that has equal amounts of left- and right-handed enantiomers of a chiral molecule.

## Refractive index

In optics, the refractive index or index of refraction of a material is a dimensionless number that describes how light propagates through that medium.

## Silicon dioxide

Silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula, most commonly found in nature as quartz and in various living organisms.

## Specific rotation

In chemistry, specific rotation is a property of a chiral chemical compound.

## Speed of light

The speed of light in vacuum, commonly denoted, is a universal physical constant important in many areas of physics.

## Stereoisomerism

In stereochemistry, stereoisomers are isomeric molecules that have the same molecular formula and sequence of bonded atoms (constitution), but differ in the three-dimensional orientations of their atoms in space.

## Sucrose

Sucrose is common table sugar.

## Superposition principle

In physics and systems theory, the superposition principle, also known as superposition property, states that, for all linear systems, the net response caused by two or more stimuli is the sum of the responses that would have been caused by each stimulus individually.

## Tartaric acid

Tartaric acid is a white crystalline organic acid that occurs naturally in many fruits, most notably in grapes, but also in bananas, tamarinds and citrus.

## Turpentine

Chemical structure of pinene, a major component of turpentine Turpentine (also called spirit of turpentine, oil of turpentine, wood turpentine and colloquially turps) is a fluid obtained by the distillation of resin obtained from live trees, mainly pines.

## Wavelength

In physics, the wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.

## References

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