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Photonics Dictionary
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laser diode module
A laser diode module is a compact device that incorporates a laser diode, optics, and often other components into a single package. These modules are designed to provide a convenient and efficient...
laser Doppler velocimeter
Device which determines particle velocity through the measurement of scattered interference of a beam pair from a single source. The measured light is Doppler shifted which provides information...
laser drift
Laser drift typically refers to a phenomenon where the frequency or wavelength of a laser source gradually changes over time. In the context of lasers, stability in terms of frequency or wavelength...
laser drill
High power laser ablation device that by pulsed operation produces holes of controllable dimension on the scale of microns. Laser drill applications include turbine manufacturing and surface metal...
laser dye
Class of organic dyes that emit coherent radiation over a wide spectral range.
laser eyewear
Usually consists of a set of filters that attenuate specific wavelengths but transmit as much visible radiation as possible.
laser footprint
Base area of a laser unit.
laser frequency measurement
Mod Method of obtaining precise temporal mode characteristics.
laser fusion
Optical confinement of matter with high field energies intended to induce a stable nuclear fusion interaction.
laser gravimeter
Means of determining the relative motion of a (seismic) mass or acceleration body from a stable laser operated system.
laser guide star
An artificial star used to aid in adaptive optics imaging of the sky. The guide star is provided from a telescope system on the ground and is directed into the imaged region. The wavefront...
laser gyroscope
Counter propagating beams imaged along the same path in order to detect rotation. Precise rotation is measured through variation of the interference patterns which oscillates external to the standing...
laser hammering
Means of correcting laser postweld shift. The correction procedure is applied to optoelectronic systems such as laser diode butterfly modules.
laser head
Contains elements which produce lasing., e.g. gain medium, oscillator mirrors as well as housing.
laser interferometer
An interferometer that uses a laser as its light source. The purely monochromatic nature of the laser results in improved efficiency and overall performance.
laser irradiation
Laser irradiation is a process that involves the use of focused laser beams to deliver energy to specific areas for medical, industrial, or scientific purposes. The laser (light amplification by...
laser isotope separation
A process of isolation of various atom vapor ions by means of tuning a laser source. For example, laser enrichment is applied to isolate uranium; enrichment is utilized in chemical vapor applications...
laser kiss cutting
Laser kiss cutting is a technique used in manufacturing and fabrication processes, particularly in industries like packaging, textiles, and electronics. Laser kiss cutting involves using a laser...
laser line filter
A narrow linewidth optically transmissive or reflective component intended for use with a highly monochromatic or single mode source.
laser lithotripsy
Laser lithotripsy is a medical procedure that uses laser energy to break down or fragment stones in various parts of the body, particularly in the urinary and biliary systems. The term "lithotripsy"...
laser lithotripter
A laser device intended for crushing urinary tract stones so they can be flushed from the body. Light is introduced via fiber optic delivery. A common wavelength used is 2.1 microns produced by...
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 appearance. This technique is widely used for labeling, identification, and...
laser materials processing
Laser materials processing refers to a diverse set of manufacturing techniques that utilize lasers to modify, cut, weld, drill, or otherwise manipulate materials. These techniques offer high...
laser medium
->
lasing medium
The material that produces stimulated emission from within a laser oscillator. Laser gain media may vary from extended-length glass fibers to submicron-length semiconductor material.
laser microscopy
Technique using functional optical microscope with the addition of a coherent source collinear with the image path. The laser light is intended to scan the sampled plane and acquire information from...
laser optics
Laser optics refers to a broad category of optical components and systems designed for manipulating and controlling laser light. Laser optics play a crucial role in shaping the characteristics of...
laser oscillator
Contains the light or beam path within a laser device. The oscillator uses reflective optical components that are oriented to obtain multiple confined reflections.
laser output
The laser output refers to the generated and emitted light produced by a laser system. This output is characterized by several key properties that distinguish lasers from other light sources. These...
laser painting
Extended period exposure photographs of a laser light created with various patterns within full image (laser graffiti).
laser parameters
Laser parameters are the characteristics that define the behavior and performance of a laser. These parameters can be categorized into several groups: spatial, temporal, spectral, and operational. ...
laser pattern generation
Production of a repeated image of a transmitted beam through a diffractive optical element such as a holographic card or component disk. Creating moving or stationary optical designs via a system of...
laser peening
Laser peening is a surface enhancement technique used to improve the mechanical properties of materials, particularly metals. It involves the use of high-energy laser pulses to generate shockwaves on...
laser pen
Device consisting of a laser diode, beam-correcting optics and collimating optics in a single housing. Also called a collimating pen.
laser photochemistry
The study concerned with the stimulation of chemical activity by laser light as a result of the absorption of photons by a molecule. Interaction of laser source with a molecular or atomic species....
laser photocoagulator
Optical source intended to reduce bleeding as well as to abet wound or vessel healing through cauterization, used in eye treatment procedures such as for macular degeneration.
laser plasma
A plasma produced by the interaction of an intense laser pulse with a material surface. Production of ionized particle with high intensity radiation. The narrow path of the intense field produces a...
laser pointer
Handheld optical laser device containing a semiconductor or DPSS source. The output is corrected via internal collimating optics. For typical use the output is reduced to eyesafe operation power. (5...
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 laser to selectively fuse or melt layers of powdered material to build up a...
laser probe
Coherent source used for analysis of excited state species.
laser pump
A source of energy that produces needed excitation for population inversion in laser operation. The excitation source that produces a transition or excitation for a sample, which then can be...
laser Q-spoiler
A fast-action shutter inserted between one end of a laser rod and the end mirror; when inserted to prevent emission and then quickly removed, it causes the laser to discharge suddenly with great...
laser radar
->
lidar
light detection and ranging
laser rangefinder
A laser rangefinder is a device that uses laser technology to measure the distance between the device and a target. It operates on the principle of measuring the time it takes for a laser beam to...
laser reflow soldering
Use of a laser to solder joints by melting the solder coatings on the mating components.
laser resistor trimming
In hybrid or monolithic integrated circuits, the laser ablation of a portion of resistor material to achieve the design resistance value of the circuit.
laser rod
In a solid-state laser, the material (Nd:YAG, Nd:glass, ruby) in which lasing action takes place.
laser scalpel
->
laserblade scalpel
A contact tip made of artificial sapphire (AlO2) that allows surgeons to use laser power to cut and coagulate tissue simultaneously.
Laser scanning
Laser scanning is a technology used to create precise digital representations of physical objects or environments by capturing their surface geometry and appearance. It involves directing a laser...
laser shock adhesion test
A nondestructive test, also referred to as LASAT, that uses a high-energy laser pulse that is targeted on an adhesively bonded part, resulting in the formation of plasma on its surface and,...
laser shock peening
Laser shock peening (LSP) is a surface treatment process used to enhance the mechanical properties and durability of materials, particularly metals. It involves the use of high-energy laser pulses to...
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Photonics Dictionary
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