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Lasers are devices that produce intense beams of monochromatic, coherent radiation. The word “laser” is an acronym for Light Amplification by Stimulated Emission of Radiation. Lasers consist of a gain medium inside an optical cavity, and are available in a variety of types for numerous purposes. Types of lasers include carbon dioxide lasers (CO2 lasers), dye lasers, excimer lasers, helium cadmium lasers (HeCd lasers), helium neon lasers (HeNe lasers), laser diodes, laser pointers, and solid state lasers. 

Carbon dioxide lasers and dye lasers are available from many suppliers. Carbon dioxide lasers or CO2 lasers use energy-state transitions between vibrational and rotational states of CO2 molecules to long infrared (IR) wavelengths. They can maintain continuous levels of power. CO2 lasers are used in cutting, welding, etching, and marking applications. Dye lasers use a dye solution as an active medium. They have an output of short-pulse, broad spectrum content with an achievable gain.


Products & Services Related to Lasers, All Types
Carbon Dioxide (CO2) Lasers
Carbon dioxide (CO2) lasers use the energy-state transitions between vibrational and rotational states of CO2 molecules to emit at long IR, about 10 µm, wavelengths. These lasers can maintain continuous and very high levels of power and are typically used in cutting, welding, etching, and marking applications.
Diode Lasers
Diode lasers use light-emitting diodes to produce stimulated emissions in the form of coherent light output. They are also known as laser diodes.
Excimer Lasers
Excimer lasers are rare-gas halide or rare-gas metal vapor lasers that produce relatively wide beams of ultraviolet laser light. They operate via the electronic transitions of molecules.
Helium Cadmium (HeCd) Lasers
Helium cadmium (HeCd) lasers are relatively economical, continuous-wave sources for violet (442 nm) and ultraviolet (325 nm) output. They are used for 3-D stereolithography applications, as well as for exposing holographs.
Helium Neon Lasers
Helium neon (HeNe) lasers have an emission that is determined by neon atoms by virtue of a resonant transfer of excitation of helium. They operate continuously in the red, infrared and far-infrared regions and emit highly monochromatic radiation.
Ion Lasers
Ion lasers function by stimulating the emission of radiation between two levels of an ionized gas. They provide moderate to high continuous-wave output of typically 1 mW to 10 W.
Solid State Lasers
Solid state lasers use a transparent substance (crystalline or glass) as the active medium, doped to provide the energy states necessary for lasing.  Solid state lasers are used in both low and high power applications.

Other Topics You Might Be Interested In
LASER is an acronym for Light Amplification by Stimulated Emission of Radiation. The diode laser is the most compact among all commercially available laser products. The diode's construction begins... (Read More)
Accessible emission level: The magnitude of accessible laser (or collateral) radiation of a specific wavelength or emission duration at a particular point. Also means radiation to which human access... (Read More)
We offer custom designed solid state lasers for industrial, military, medical and laboratory uses. These range from low energy to high energy, low rep rate of a few Hertz to MHz. We are willing to... (Read More)

Engineering Web: Lasers, All Types
Pages: 1 - 5 of 1137650
Howstuffworks "How Lasers Work"
Lasers are used in CD players, dental drills, eye surgery, and even tattoo removal. But what exactly is a laser? Learn about the various types of lasers and how they generate such concentrated light. ...
Howstuffworks "How Lasers Work"
... lasers, such as diode lasers, are very weak and are used in today?s pocket laser pointers. These lasers typically emit a red beam of light that has a wavelength between 630 nm and 680 nm. Lasers are ...
Oxford Lasers | Laser System Specialists
Oxford Lasers celebrates 30th Anniversary. 5 October 2007 - 10:45am. Oxford Lasers is proud to announce our 30th Anniversary. We incorporated in October 1977 to produce Copper Vapour Lasers (CVL) and ...
See Oxford Lasers, Inc. Information
Anderson Lasers, Inc.'s WWW Site!

Britney Spears' Guide to Semiconductor Physics - Lasers and Optoelectronics
... lasers and optoelectronic devices that make our lives easier. ...

Part Numbers for Lasers, All Types

Part # Distributor Manufacturer Product Category Description
SCC-50.8-50.9-C   CVI Melles Griot (formerly CVI Laser, LLC) Optical Lenses Anamorphic beam shaping/laser projection, illumination of detector arrays
CQF56/D AmericanMicroSemi AMS Laser Diodes Laser Diode with Monitor Diode
CX20100K 05 XXX NA   Rocky Mountain Instrument/RMI Laser Optical Lenses Clear aperture exceeds central 85% of dimension
SMCC-1037-10.0-C   CVI Melles Griot (formerly CVI Laser, LLC) Spherical Mirrors All CVI high reflector, metal and partial reflector coatings available
BXF-38.1-61.8-UV   CVI Melles Griot (formerly CVI Laser, LLC) Spherical Lenses For 1:1 imagine, beam expanders, and relay applications, Equiconvex:R1=R140

More >>
See more product announcements for Lasers, All Types
Custom Fiber Pigtail Manufacturing

Custom Fiber Pigtail Manufacturing
Diode Laser Concepts, Inc.


TAKEX Laser Projector for PC Board measurement

TAKEX Laser Projector for PC Board measurement
Takex America, Inc.


TAKEX Industrial Laser Projectors

TAKEX Industrial Laser Projectors
Takex America, Inc.


11 See more product announcements for Lasers, All Types

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