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vibration Dictionary Terms

carbon dioxide laser
A gas laser in which the energy-state transitions between vibrational and rotational states of CO2 molecules give emission...
gas laser
One of the first lasers to find practical application. Generally, the pumping mechanism is an electric discharge, although...
time-averaged holographic interferometry
Multiple exposures of holograms, one for each position of a vibrating image, that are used for vibration analysis and that...
Brillouin scattering
Brillouin scattering is a phenomenon in physics where an incident electromagnetic wave (usually light) interacts with...
azimuth angle
1. In astronomy, the angle measured clockwise (eastward) in a horizontal plane, usually from north (true north, Y-north,...
surface-enhanced Raman spectroscopy
Surface-enhanced Raman spectroscopy (SERS) is an analytical technique that combines the principles of Raman spectroscopy...
Raman spectroscopy
Raman spectroscopy is a technique used in analytical chemistry and physics to study vibrational, rotational, and other...
white noise
The random noise having a spectral density that is substantially independent of the frequency over a specified frequency...
Cornu-Jellet prism
A prism formed by dividing a Nicol prism in a plane parallel to the path of vibration of the transmitted light and taking...
electron speckle pattern interferometry
A method for detecting vibration amplitudes analogous to image holography, except that the film emulsion is replaced by a...
gyroscopic camera mount
A mount that uses a floating suspension and a motor-driven gyroscope to keep a motion picture or still camera at a set angle...
acoustophotorefractive effect
The change in refractive index that occurs as acoustic vibrations are transmitted through an optical material.The index...
polariton
A polariton is a quasiparticle resulting from the strong coupling between photons (light particles) and certain types of...
active transport
The transport of molecules in a cell which requires the use of a cell's internal energy. The energy used in the cell may be...
laser drift
Laser drift typically refers to a phenomenon where the frequency or wavelength of a laser source gradually changes over...
phonon
A phonon is a quantum of vibrational energy associated with the periodic motion of atoms or molecules in a crystalline...
BCS theory
Bardeen-Cooper-Schrieffer theory of superconductivity, based on the notion that electrons with opposite momentum and spin...
near-infrared spectroscopy
Near-infrared spectroscopy (NIRS) is a non-invasive analytical technique that uses the near-infrared region of the...
electric CO laser
An electrically excited laser having carbon monoxide as the lasing material and in which lasing occurs in a partial...
pellicle mirror
A thin, stretched plastic membrane cemented to a rigid supporting ring. It may be coated to act as a beamsplitter, for...
image motion compensation
The active control of various aspects (optical element position, airspace thickness, etc.) of an optical system that...
rolling shutter artifacts
Rolling shutter artifacts are distortions or visual anomalies that can occur in images or videos captured by cameras with...
vibrational transition
A vibrational transition refers to a change in the vibrational energy of a molecule. Molecules consist of atoms that are...
kinetic cooling
An atmospheric nonlinear process unique to CO2 laser wavelengths, whereby CO2 absorbs 10.6-µm radiation and the CO2...
transmission plane
In polarized light, the plane of vibration that a polarizer will transmit.
calcite interference microscope
A microscope that allows examination of a small crystal and conveniently provides linearly polarized object and reference...
infrared absorption
Infrared radiation absorbed by crystals as a result of the excitation of lattice vibrations in which ions having opposite...
unpolarized
Behaving as though characterized by a series of waves having planes of vibration oriented at all possible azimuths.
atomic clock
An atomic clock is a highly precise timekeeping device that uses the vibrations or oscillations of atoms as a reference for...
microphonic noise
Output noise in a laser beam resulting from acoustic disturbances of mirror separation or orientation. Such disturbances may...
acousto-optic deflection
The angular change of an incident beam due to vibrational induced refractive index changes within a crystal.
fiber optic sensor
A fiber optic sensor is a device that uses optical fibers to detect and measure physical, chemical, biological, or...
wave
1. An undulation or vibration; a form of movement by which all radiant energy of the electromagnetic spectrum is estimated...
reflective spectroscopy
Reflectance spectroscopy is a technique used to analyze the reflective properties of materials across various wavelengths of...
nonradiative transition
A nonradiative transition refers to a process in which an electron or an atom undergoes a change in its energy state without...
Raman effect
When light is transmitted through matter, part of the light is scattered in random directions. A small part of the scattered...
infrared
Infrared (IR) refers to the region of the electromagnetic spectrum with wavelengths longer than those of visible light, but...
diffuse reflectance spectroscopy
Diffuse reflectance spectroscopy (DRS) is a nondestructive analytical technique used to investigate the optical properties...
microbend-modulated sensor
A type of fiber optic sensor that detects changes in pressure, vibration, sound level or acceleration by monitoring the...
spectroscopy
Spectroscopy is a technique used in the study of interactions between matter and electromagnetic radiation. It involves...
quantum cascade laser
A quantum cascade laser (QCL) is a type of semiconductor laser that operates based on the principles of quantum mechanics....
accelerometer
An accelerometer is a sensor or transducer that measures the rate of change of velocity of an object, or in simpler terms,...
tip-enhanced Raman scattering
Tip-enhanced Raman scattering (TERS) is a powerful technique that combines Raman spectroscopy with the enhanced spatial...
fiber optic gyroscope
A fiber optic gyroscope (FOG) is a type of gyroscope that uses the interference of light waves to detect changes in...
environmental range
The maximum to minimum range of temperature, pressure, humidity, vibration and biological conditions under which an optical...
mode hopping
Mode hopping in the context of lasers refers to a phenomenon where a laser system abruptly switches from one longitudinal...
fast axis
In a birefringent material, the index of refraction varies with the direction of vibration of a lightwave. That direction...
surface-enhanced Raman scattering
Surface-enhanced Raman scattering (SERS) is a powerful analytical technique that enhances the Raman scattering signal of...
resonator
A resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or...
ultrasonic cleaning equipment
Ultrasound used in the cleaning of metal and optical parts by virtue of its vibration rates. Large acoustic forces break off...
magnon
A magnon is a quasiparticle representing a quantized spin wave in a magnetic material. In other words, it is a collective...
optical table
An optical table, also known as an optical bench or an optical breadboard, is a specialized platform used in optics...
resonance
Resonance can be defined in various contexts, including physics, chemistry, and music. Here are definitions for resonance in...
half-shade device
A device for forming at least two adjacent areas of polarized light. The angle between the directions of vibration of the...
recording camera
A type of camera that incorporates a tiny mirror that oscillates in accordance with incoming signals. An illuminated slit is...
terahertz
Terahertz (THz) refers to a unit of frequency in the electromagnetic spectrum, denoting waves with frequencies between 0.1...
absorption peak
An absorption peak refers to a sharp increase or spike in the absorption of electromagnetic radiation at a particular...
acousto-optics
Discipline within optical physics that addresses sound vibration, phonon effects and their influencing behavior within...

(58 results found)

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