Aspheres & Cylinders

Aspheres & Cylinders
Aspheres & Cylinders
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Zygo VeriFire Asphere+ Interferometer
The Verifire Asphere+ (VFA+) builds upon the success of the Verifire Asphere (VFA) Interferometer, which was made specifically for fast, noncontact, high-resolution 3D metrology of aspheric surfaces. The VFA+ uses the latest Zygo MxTM software.
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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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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 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 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