Double Convex Axicon (Conical lens)
Double Convex Axicon (Conical lens)
| BK7, UVFS |
| +0.0, -0.15 mm |
| 90 – 179.98° |
| ±0.5°. Available down to +/-0.02° |
| 40-20 scratch & dig |
| >90% |
| 20-10000 mm |
| +/-3% |
| None. Please refer to the Coatings Section |
| 632.8 nm |
Double convex axicons are available in variety of
dimensions and apex angles. Double convex axicons are optical components with a
convex conical surface in combination with a convex spherical surface. Such
combination focuses laser light into a ring shaped beam with annular focus.
Different combinations of focal length and apex angles are available.
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Produces a line image along the axis from a point light source or non diffractive Bessel beam
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Available diameter up to 70mm
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Plano Convex, Plano Concave and Double Convex available
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Various AR coatings are available for all these lenses. Please refer to the Coatings section. |
| Altechna metrology lab applies following product inspection: |
| Visual inspection – surface quality evaluation according to MIL 13830 and ISO 10110 standards |
| Dimensions – measurement of geometrical dimensions, as diameter, thickness, etc. |
| Transmitted beam in near and far field (Bessel region and ring)* |
*(…) used equipment
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