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Precision Grade Axicons for Quick Delivery 2016-02-01

 

Axicons are widely used for different beam shaping setups together with other optical elements or alone. Most popular applications of axicons include transformation of a collimated Gaussian beam into an approximation of non-diffractive Bessel beam in the near field, conversion of a laser beam into a ring shaped beam or generation of thick-wall hollow "pipe" of light.

 

In addition to our popular standard plano-convex axicons we are now pleased to offer you precision grade conical lenses designed for high performance applications.

 

 

 

STANDARD

 

PRECISION

 

Material

 

BK7, UVFS

 

UVFS

 

Surface quality

 

60-40 scratch & dig (MIL-PRF-13830B)

 

40-20 scratch & dig (MIL-PRF-13830B)

 

Clear aperture

 

90% of the diameter

 

90% of the diameter

 

Diameter tolerance

 

+0.00, -0.12 mm

 

+0.00, -0.1 mm

 

Edge thickness

 

8 mm

 

3.5 mm

 

Angle tolerance

 

±0.5°

 

±0.05° (±3 arcmin)

 

Surface irregularity

 

1λ @ 633 nm

 

λ/4 @ 633 nm

 

Apex rounding

 

dia <3 mm

 

dia <0.4 mm

 

 

Axicons can be supplied with AR or BBAR coatings. Please send a request for a custom  product.

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