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Axikon DOE - Shape Your Laser Beam into a Ring Profile

23.02.2016

Suitalbe for all transversal modes with beam quality M2 <20


US36-0949

Laser beams with a ring-shaped profile are required in ophthalmology, laser welding, and the material ablation of thin films.

The ring profile must be produced. Often, classic axicons are used for this purpose: conical lenses and rotation-symmetrical prisms. These elements convert a laser beam with a Gaussian profile into a Bessel beam. Axicons are very difficult to produce for very large or very small fan angles because in such cases the cones have to be very flat or steep, respectively; thus, an optimal ring profile generally cannot be achieved.

Holo/OR now manufactures diffractive optics with an axicon structure. The advantages are immense:

Perfect ring profile: Irrespective of the fan angle, the ring profile is always perfect because the beam profile is produced using a grating.

Suited for all lasers with M² < 20, these elements may consist of thin fused silica or ZnSe. They are suited, for example, for single-mode fiber lasers, CO2 lasers, and solid-state lasers.

Independent of the incident beam: The incident beam can exhibit any TEMxy mode.

Elements Available in Stock: There are more than fifteen standard designs available with a peak-to-peak ring angle of 0.05° to 30° at 1064 nm, for example.

Do you wish to know how these DOEs differ from vortex DOEs and which element is better suited for you? Then give us a call!


Datasheet:

 Axicon DOE 252 K

Further product information:
Diffractive Optical Elements

Manufacturer:
Holo-OR Ltd.

Contact:

Contact Person:    Michael Tuohy
Company:    LASER COMPONENTS USA Inc.
Address:    116 South River Road Building C
ZIP / City:    03110 Bedford, NH
Phone:    +1 603 821 7040
Fax:    +1 603 821 7041
Email:    tuohy@laser-components.com
 

Axicon - Diffractive Optical Element

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