Plano-Convex Axicon (Conical lens)
Plano-Convex Axicon (Conical lens)
| BK7, UVFS |
| +0.0, -0.15 mm |
| 90 – 179.98° |
| >90% |
| ±0.5°. Available down to +/-0.02° |
| 40-20 scratch & dig |
| 632.8 nm |
| None. Please refer to the Coatings Section |
Plano-convex axicons are conical lenses which are used
for variety of applications. When followed by a conventional spherical lens,
axicons can focus laser light to a ring shape with annular focus. This feature
can be used in hole drilling, microscopy and medical applications. Another
interesting feature of axicons is a possibility to transform Gaussian beam into
non-diffractive Bessel beam in the near field. Bessel beams can be used in atom
or molecule guiding applications.
Altechna offers two types of plano-convex
axicons: regular and precision. Regular axicons will create annularly shaped
beam whereas precision axicons will also transform Gaussian beam into a Bessel
beam. You can choose accordingly, depending to your specific application.
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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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