Axicon

Material: Fused silica or other customer-specified materials
size specification：φ 5~200 mm
Aperture：Customizable (typical CA 90%)
Surface Figure：RMSi<20 nm
Bottom Angle Tolerance：<±0.001°
Vertex Circle Diameter：φ1 mm
Standard or customize coatings are available
High laser damage threshold

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Featured Optics

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Axicon is a typical aspheric optical element with conical rotational symmetric structure and axial symmetry, where its central axis coincides with the optical axis, enabling linear focusing of the beam. A parallel beam of light is directed perpendicularly to the axicon and converted into a Bessel beam after the axicon. The Bessel beam is a special type of non-diffracting beam with a small spot size and a large depth of focus. Positive axicon are used to produce a non-diffracting Bessel beam, while negative axicon diffuse the beam.

Applications

Particle manipulation
Beam shaping
Optical collimation and imaging
Laser processing
Nonlinear optics and biomedicine

Metrology

Configuration of Taylor Hobson luphoscan 260 profiler，Zygo Verifire HD MST 24″″ and Bruker White Light Interferometer

Taylor Hobson luphoscan 260 profiler Test results：IRR=0.673 λ @ 633 nm

Bruker White Light Interferometer Test results：0.00045 μm

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Axicon
Material: Fused silica or other customer-specified materials
size specification：φ 5~200 mm
Aperture：Customizable (typical CA 90%)
Surface Figure：RMSi<20 nm
Bottom Angle Tolerance：<±0.001°
Vertex Circle Diameter：φ1 mm
Standard or customize coatings are available
High laser damage threshold

Description

Cas'Tech Class

Parameters

Download

Axicon is a typical aspheric optical element with conical rotational symmetric structure and axial symmetry, where its central axis coincides with the optical axis, enabling linear focusing of the beam. A parallel beam of light is directed perpendicularly to the axicon and converted into a Bessel beam after the axicon. The Bessel beam is a special type of non-diffracting beam with a small spot size and a large depth of focus. Positive axicon are used to produce a non-diffracting Bessel beam, while negative axicon diffuse the beam.

Applications