Characterisation, Measurement & Analysis
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Aspheres & Cylinders

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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  1. Zygo VeriFire Asphere Interferometer

    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. Learn More

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  2. DIOPTIC DFNL Asphere Metrology using Diffractive Fizeau Null Lenses

    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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  3. DIOPTIC DNL Asphere Metrology using Diffractive Null Lenses

    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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  4. DIOPTIC DTC Diffractive Transmission Cylinde

    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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  5. DIOPTIC DTS Diffractive Transmission Sphere

    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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