Aspheres & Cylinders
We have instruments for measuring very high specification rotationally symmetric optics and high specification moulded aspheric and toric surfaces such as those used for contact lenses and camera optics. We can also measure paraboloids and elliptical surfaces. Contact us with your ...
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Aspheres & Cylinders
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DIOPTIC DFNL Asphere Metrology using Diffractive Fizeau Null Lenses
Interferometric precision testing: Take advantage of DIOPTIC's know-how to increase your efficiency and save valuable time by using their diffractive Fizeau null lenses.
- Easy handling: measuring aspheres as easy as measuring spheres
- Compatible with standard interferometer bayonet mount
- With integrated Fizeau reference plane
- Measurement of the vertex radius of curvature with integrated cat-eye beam
- Plane surface for recalibration of the Fizeau plane
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DIOPTIC DNL Asphere Metrology using Diffractive Null Lenses
Diffractive null lenses (DNL) enable you to measure almost any surface geometry.
- For testing aspheres, toroids, free-form aspheres
- CGH fabricated on fused silica high precision substrates
- Easy adjustment in front of a Transmission Sphere using the mechanically compatible DNL-A4/-A6 opto-mechanics
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DIOPTIC DTC Diffractive Transmission Cylinder
Precision measurement of CGHs with integrated Fizeau reference surface or diffractive transmission cylinder (DTC).
- Customer-specific layout with main and alignment areas
- Compatible with standard interferometer bayonet mount
- With integrated Fizeau reference plane
- With calibration map of the Fizeau plane
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DIOPTIC DTS Diffractive Transmission Sphere
DIOPTIC diffractive transmission sphere (DTS) lenses are specially suited for the inspection of large spherical surfaces with large curvature radii.
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Zygo VeriFire Asphere Interferometer
The first metrology tool for fast, noncontact, high-accuracy 3D metrology of aspheric surfaces. Production-friendly features include automated alignment, acquisition, and analysis.