Search
Menu
Trioptics GmbH - Worldwide Benchmark 4-24 LB
Laser Beam Dictionary Terms

Secondary Speckle Pattern
A self-interference effect that generates random patterns; secondary speckle pattern (SSP) typically occurs in diffuse...
isosorbs
Lines of equal atmospheric attenuation in a laser beam.
beam-addressable technology
The application of reversible writing with a laser beam on particular storage materials. In one method, an amorphous film is...
holographic memory
The storage of data as bits in memory by holographic processes. The laser beam is divided into reference and object beams,...
phase matching
Phase matching is a crucial concept in the field of optics, particularly in nonlinear optics and the generation of coherent...
plasma noise
Introduced into the laser beam from localized fluctuations in current density within the plasma itself. These fluctuations...
spatial mode
Also known as transverse mode. The configurations of energy storage, relative to the structure of a laser resonator, that...
GRIN lens
A GRIN (gradient index) lens is a type of optical lens that utilizes a gradient in refractive index across its volume rather...
remote active spectrometer
A device employed to identify toxic agents lingering on the ground or in the air from up to three miles away, by using laser...
volume Bragg gratings
Volume Bragg gratings (VBGs) are specialized optical elements that consist of periodic variations in refractive index...
aiming beam
A visible laser beam generated coaxially with an infrared or other invisible laser beam to aid in its positioning.
cylindrical lens
A cylindrical lens is an optical component that has different curvatures along its two orthogonal axes, resulting in a shape...
plasma accelerator
A plasma accelerator is a type of particle accelerator that uses electric fields and magnetic fields to accelerate charged...
photochemical hole burning
A method of producing disks for erasable optical data storage. Information is recorded by a laser beam that generates pits...
fluorophosphate glass
A special laser glass made primarily of fluoride compounds that exhibits extremely low refractive index and allows greater...
laser ablation
Laser ablation is a process that involves the removal or erosion of material from a target surface using laser energy. This...
coherent optical adaptive technique
The use of phase conjugation or other methods to increase the power density of a laser beam under adverse atmospheric...
laser marking
Laser marking is a process in which a laser beam is used to mark or engrave a surface by altering its properties or...
superresolution
Superresolution refers to the enhancement or improvement of the spatial resolution beyond the conventional limits imposed by...
laser surgery
Laser surgery refers to a medical procedure in which a laser, or focused beam of light, is used as a precision tool to cut,...
galvanometric scanner
A galvanometric scanner, also known as a galvanometer scanner or galvo scanner, is a type of optical scanning device used to...
disc laser
A laser having a rod that is a stacked array of discs immersed in a transparent flowing coolant fluid. In this way, the...
lumia
A laser effect used especially for laser light shows. Lumia are created by placing a distorting medium such as rippled glass...
scanning acoustic microscope
Also called scanning laser acoustic microscope. A device that uses high-frequency ultrasound waves to penetrate surfaces. A...
laser annealing
Laser annealing is a process that involves using a laser beam to heat and modify the microstructure of a material, typically...
laser cavity
A laser cavity, also known as an optical cavity or resonator, is a fundamental component of a laser system. It is a confined...
laser-induced fluorescence
Laser-induced fluorescence (LIF) is a spectroscopic technique that involves using a laser to excite molecules or atoms,...
laser trapping
A technique for confining atoms, molecules or small particles within one or more laser beams. This can be accomplished...
beam table
Laser light show effects equipment including optics and mechanical devices that reflect, position or distort the laser beam,...
optical lattice
A periodic structure formed by intersecting or superimposed laser beams. These beams can trap atoms in low-potential...
adaptive optics
Adaptive optics (AO) is a technology used to improve the performance of optical systems by reducing the effects of...
beam matrix
1. A geometrical arrangement of two or more light beams for use in laser shows, object detection or other applications...
atmospheric turbulence
Irregularities and disturbances in the atmosphere that are of particular interest because they induce random temporal and...
confocal resonator
A confocal resonator, also known as a confocal cavity or confocal laser resonator, is a type of optical resonator...
spatial light modulator
A spatial light modulator (SLM) is an optical device that modulates or manipulates the amplitude, phase, or polarization of...
FMCW lidar
FMCW lidar stands for frequency-modulated continuous wave lidar. It is a type of lidar (light detection and ranging)...
surface analysis by laser ionization
(SALI) A type of spectroscopy in which neutral atoms or molecules are ionized by an excimer laser beam and then measured by...
coherent anti-Stokes Raman scattering
A technique whereby two laser beams, one at an excitation wavelength and the second at a wavelength that produces Stokes...
lattice
In photonics, a lattice refers to a periodic arrangement of optical elements or structures, often on a microscopic or...
reconstructed image
An image that appears when a hologram is illuminated by a suitable light source, generally a laser beam.
coherent communications
A fiber optic communications system that works on the principles of homodyning or heterodyning. The transmitting laser...
mutual coherent function
A function that quantifies the performance degradation of coherent communications systems, imaging systems and all systems...
scintillation
1. The variation in intensity of a light beam as it travels through the atmosphere. 2. In radiation physics, a light flash...
split-beam laser interferometer
An instrument that divides a single laser beam in two and uses one half as a sensing beam and the other as a reference beam,...
photon correlation spectroscopy
Spectroscopy used to study the concentration, diffusion and Brownian motion of small particles suspended in a fluid by...
laser powder bed fusion
Laser powder bed fusion (LPBF) is a type of additive manufacturing (AM) or 3D printing technology that uses a high-power...
Nd:YAG laser
Nd:YAG laser refers to a solid-state laser that utilizes neodymium-doped yttrium aluminum garnet (Nd:Y3Al5O12) as the gain...
optical memory
1. The direct storage of data as bits in memory using optical systems and properties. The memory makes use of a laser beam...
optical testing instrument
An optical testing instrument is a device or system used to evaluate and measure the performance, quality, and...
Risley prism
A Risley prism, also known as a Risley prism pair or Risley rotating prism, is an optical device used for controlling the...
liquid crystal light valve
A liquid crystal light valve (LCLV), also known as a spatial light modulator (SLM), is an optical device that modulates the...
self-phase modulation
Self-phase modulation (SPM) is a nonlinear optical phenomenon that occurs when an intense laser beam passes through a...
microchannel spatial light modulator
A device to modulate spatially a collimated coherent beam of light with input data in optical data processing. It uses a...
spatial filter
1. Generally, an emulsion mask having a clean annular region in an otherwise opaque region. It is designed to eliminate...
traveling wave phototube
A traveling wave tube (TWT) containing a photocathode and window that, receiving a laser beam, produces a modified...
precision aperture
An accurately produced hole of any size and shape that is used as a masking device in an optical system. Pinhole apertures...
fiber laser
A fiber laser is a type of laser in which the active gain medium is an optical fiber doped with rare-earth ions such as...
speckle effect
In laser systems, the granular effect that is noted when observing the expanded cross section of a laser beam.
spatial coherence
The maintenance of a fixed-phase relationship across the full diameter of a cross section of a laser beam.
infrared optic
Infrared optics refer to optical components and systems designed to manipulate and control infrared (IR) light, which lies...
Gaussian beam optics
The area of optics that deals with the propagation of Gaussian laser beams in free space, or any general medium - i.e....
laser cooling
A process and method by which manipulation and orientation of a given number of directed laser beams decreases the motion of...
laser velocimeter
A system that uses a continuous-wave laser to measure the velocity of an object by focusing the laser beam on the object,...
Murty interferometer
A form of shearing interferometer that contains a simple wedged (plane-parallel) glass plate with a nonzero optical path...
sonoradiography
The diagnostic procedure that uses ultrasonic energy to probe the body and, with the help of laser beams, a reflecting...
phase conjugation
The use of a reflective device, which can be fashioned from a variety of materials including gases, solids, dyes, aerosols,...
mirror mount
A mirror mount is a mechanical device used to secure and precisely position mirrors in optical systems. Mirrors are...
sol-gel
A gelatinous fluid that can be used as a porous thin-film coating for optical components, including laser beam collimators,...
polygonal mirror
A polygonal mirror, also known as a multifaceted mirror or facet mirror, is a type of optical component used in various...
transverse mode
In the context of optics and lasers, a transverse mode refers to a specific spatial pattern of the electric field within the...
flow cytometry
Flow cytometry is a powerful technique used in biology and medicine for the quantitative analysis of the physical and...
microphonic noise
Output noise in a laser beam resulting from acoustic disturbances of mirror separation or orientation. Such disturbances may...
optical disc
A rigid medium, generally a polycarbonate substrate coated with a reflective aluminum layer, that stores information (such...
lidar
Lidar, short for light detection and ranging, is a remote sensing technology that uses laser light to measure distances and...
microwave phototube
A device designed to detect microwave modulation and to mix modulated and unmodulated laser beams. It consists of a...
ellipticity
The quality of asymmetrical intensity distribution in a laser beam, as opposed to a circular distribution.
laser tweezers
A technique based on the principles of laser trapping and used to manipulate the position of small particles by gradually...
videodisc
A disc whose surface contains recorded digital data at high-packing densities arranged in concentric rings. The data,...
two-photon polymerization
Two-photon polymerization (TPP) is a technique used in additive manufacturing, specifically in the field of 3D printing. It...
waveguide laser
Gas laser in which the tube acts as a channel for the laser beam.
diode-pumped solid-state laser
A diode-pumped solid-state laser (DPSSL) is a type of laser system that uses semiconductor diode lasers to pump energy into...
focused laser scattering
A single-particle scattering technique in which an incident laser beam is tightly focused by means of lenses to yield a...
computer-generated hologram
A computer-generated hologram (CGH) is a holographic image produced using computational methods and algorithms, rather than...
optical tweezers
Optical tweezers refer to a scientific instrument that uses the pressure of laser light to trap and manipulate microscopic...
hole burning
The dip or gap in the profile of a laser beam's line width when it is both homogeneously and inhomogeneously broadened. When...
laser triangulation
A technique that uses a solid-state laser and a detector to determine an object's relative distance to the system. The laser...
solid-state laser
A solid-state laser is a type of laser that uses a solid gain medium (as opposed to a liquid or gas) to produce coherent...
dichroic mirror
A dichroic mirror, also known as a dichroic beamsplitter or interference filter beamsplitter, is an optical device that...
selective laser melting
Selective laser melting (SLM) is an additive manufacturing (AM) or 3D printing technology that belongs to the powder bed...
adiabatic laser colorimetry
Method for studying absorption coefficients of low-loss materials, in which a sample is allowed to come to thermal...
photostore
The photographic recording of data, in binary form, for storage in memory. Exposure is achieved by a cathode-ray tube or by...
face-pumped laser
A device in which slab geometry internally compensates for thermal-optic distortion; the solid host material -- glass or...
nonlinear optical detector
A type of radiation detector designed to recognize nonlinear optical effects, such as the Raman effect, by means of a...
thermal blooming
The effect that characterizes an intense laser beam that is passed through an absorbing medium, causing the absorbed energy...
Matrix optics
The linear relationship between input and output optical fields for a given optical system or application that allows the...
temporal coherence
A characteristic of laser output, calculated by dividing the speed of light by the linewidth of the laser beam. The temporal...
holographic optical element
A component used to modify light rays by diffraction; the HOE is produced by recording the interference pattern of two laser...
laser crystal
A laser crystal, also known as an active medium or gain medium, is a solid-state material used in the construction of...
beam profiling
Beam profiling is a technique used to characterize and analyze the spatial intensity distribution of a laser beam. It...
divergence
1. In optics, the bending of rays away from each other. 2. In lasers, the spreading of a laser beam with increased distance...
b integral
Calculates the exponential growth of the least stable spatial frequency in a laser beam, and is the numerical equivalent of...
STED microscopy
STED microscopy, or stimulated emission depletion microscopy, is a superresolution imaging technique in fluorescence...
conduction welding
A type of laser welding of thin materials using a defocused or low-power carbon dioxide laser beam. The energy is absorbed...
power density
In laser welding or heat treating, the instantaneous laser beam power per unit area. This parameter is key in determining...
photon drag effect
The induction of an electric field in a semiconductor by an incident laser beam. The technique has rapid response time at...
intrabeam viewing
With respect to laser radiation, the subjection of the human eye to all or a portion of the laser beam.
parametric oscillator
A device using a parametric amplifier inside a resonant optical cavity to generate a frequency-tunable coherent beam of...
laser output
The laser output refers to the generated and emitted light produced by a laser system. This output is characterized by...
modulated zone plate
A zone plate produced by a computer and having a binary structure that can be etched into a chromium or quartz layer. It...
holographic interferometry
The interferometric analysis of a complex object by utilizing the three-dimensional hologram. By causing a laser beam to...
plume
A mixture of ionized gas and metal vapor generated by impingement of the laser beam onto a material being welded or a weld...
laser spark spectroscopy
A method of analysis in which a pulsed laser beam is used to heat a particle, producing a plasma, or laser spark. As the...
laser peening
Laser peening is a surface enhancement technique used to improve the mechanical properties of materials, particularly...
fluence
Fluence is a term used in various scientific and technical disciplines to describe the amount of something per unit area....
laser rangefinder
A laser rangefinder is a device that uses laser technology to measure the distance between the device and a target. It...
laser active elements
Laser active elements typically refers to the substances or materials within a laser system that play a critical role in the...
laser optics
Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser...
common optoelectronics laser detection system
A laser warning and countermeasure system containing a sensor that indicates the direction of a laser beam, and analytical...
Z-scan
A technique for determining the nonlinear optical properties of a sample material by moving the sample through a focused...
acousto-optic modulators and deflectors
An acousto-optic modulator (AOM) is a device that utilizes the interaction between sound waves and light waves to modulate...
ring-laser gyroscope
A ring laser gyroscope (RLG) is a type of gyroscope that uses laser light to detect and measure changes in orientation. It...
edge sensing, second derivative
Technique for the precision evaluation of coincidence of a laser beam's center with the edge of the object under study and...
beam shuttle
A set of mirrors mounted on solenoids to move them into and out of the path of a laser beam, making it possible for multiple...
laser-triggered switching
A process by which the ionizing capabilities of a laser beam are used to break initiate conduction between pairs of...
modulated transmission ellipsometry
A method used to detect internal or residual microstresses in a material by using a laser beam to locate changes in...
laser texturing
Laser texturing is a manufacturing process that involves using a laser beam to selectively modify the surface of a material,...
static beam alignment
The degree to which a laser beam is aligned parallel to the housing axis.
laser diode module
A laser diode module is a compact device that incorporates a laser diode, optics, and often other components into a single...

(128 results found)

Explore Our Content
News
Features
Latest Products
Webinars
White Papers
All Things Photonics Podcast
Videos
Our Summits & Conferences
Industry Events
Bookstore
Join Our Community
Subscribe
Advertise
Become a member
Sign in
Contribute a Feature
Suggest a Webinar
Submit a Press Release
Mobile Apps

About Us
Our Company
Our Publications
Contact Us
Career Opportunities
Teddi C. Laurin Scholarship

Terms & Conditions
Privacy Policy
California Consumer Privacy Act (CCPA)



©2024 Photonics Media
100 West St.
Pittsfield, MA, 01201 USA
[email protected]
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.