Axicon lens element APX
plano-convexfused silicaUV

axicon lens element
axicon lens element
axicon lens element
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Characteristics

Geometry/curvature
axicon, plano-convex
Material
fused silica
Optical characteristics
UV
Applications
precision
Diameter

25.4 mm
(1 in)

Description

Altechna offers two types of plano-convex axicons – regular and precision. Regular axicons create an annular beam in a far-field Precision axicons also transform a Gaussian beam into a non-diffractive Bessel beam in the near field Plano-convex axicons (conical lenses) are used for a variety of applications. The quality of the generated ring and Bessel beam as well as all mechanical tolerances are fully evaluated in our metrology laboratory using different measurement methods. Material UVFS Type Regular, precision Dimensions Ø25.4 mm Surface quality, S-D 40-20 Surface irregularity, RMS <λ/4 @ 632.8 mm Apex angle 90 – 179° Apex angle tolerance ±0.02 – 0.5° AR coatings UV, VIS, NIR, uncoated

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