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Diffractive Optics

Photonics.com
Jun 2016
Laser Components GmbHRequest Info
 
OLCHING, Germany, June 20, 2016 — Diffractive OpticsLaser Components GmbH distributes diffractive optics from Holo-Or Ltd.

Due to the use of a grating, the axicon-structured devices provide perfect ring profiles irrespective of the fan angle.

Suited for all lasers with M2 <20, these elements may consist of thin-fused silica or ZnSe. They are suited for single-mode fiber lasers, CO2 lasers and solid-state lasers. The incident beam can exhibit any TEMxy mode.


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GLOSSARY
diffractive optics
Optical elements that use diffraction to control wavefronts. Diffractive optical elements include diffraction gratings, surface-relief diffractive lenses, holographic optical elements and computer-generated holograms. Fabrication methods include diamond machining, interference of coherent beams (holography), injection molding and advanced microlithographic techniques. See also binary optics; holographic optical element.
fiber laser
A laser in which the lasing medium is an optical fiber doped with low levels of rare-earth halides to make it capable of amplifying light. Output is tunable over a broad range and can be broadband. Laser diodes can be used for pumping because of the fiber laser's low threshold power, eliminating the need for cooling.
solid-state laser
A laser using a transparent substance (crystalline or glass) as the active medium, doped to provide the energy states necessary for lasing. The pumping mechanism is the radiation from a powerful light source, such as a flash lamp. The ruby and Nd:YAG lasers are solid-state lasers.
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