Aspheres & Freeforms
ZYGO manufactures the world’s most accurate aspherical, spherical and freeform optics. These can be manufactured in sizes up to 600 mm, with surface figure tolerances better than 100 picometers. To put this into perspective, imagine an optic the size of the Unites States with a surface accuracy of less than a millimeter!
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Extreme precision powered surfaces:
- Many geometries in sizes up to 600mm:
- On-axis and off-axis aspheric.
- Freeform (non-rotationally symmetric)
- Spherical
- Axicon
- Kinoform and other diffractive surfaces
- Light-weighting and complex mechanical geometries available
- We are material agnostic. Our broad range of material experience includes:
- Low expansion ceramics: Zerodur, Clearceram, ULE
- Hard materials: silicon carbide (SiC), Alon, Spinel
- Soft materials: calcium fluoride (CaF2), magnesium fluoride (MgF2)
- Standard glasses: BK7, SF-11
- Other crystalline materials: germanium (Ge), silicon (Si)
- Metals: aluminum (Al), nickel (Ni)
- Extreme surface sub-angstrom figure accuracy. Global surface figure error of tens of picometers is possible!
- Control of mid-spatial frequency figure errors.
- Extreme low roughness, guaranteed over spatial periods as low as 10 microns.
- Extensive suite of manufacturing technologies:
- Computer Controlled Optical Surfacing (CCOS)
- Ion Beam Figuring (IBF)
- Magneto-Rheological Finishing (MRF)
- Precision optical & CMM metrology
- Physical null lenses or Computer Generated Holograms (CGH)
The Way Ahead When Commercializing Space Optics
A Technique to Control Global Figure Using Acid Immersion and Zernike Decomposition
Application of precision diamond machining to the manufacture of microphotonics components
Bound-abrasive polishers for optical glass
Coating High Quality Custom Optics: Risk Reduction Through Supplier Evaluation
Combined advanced finishing and UV-laser conditioning for producing UV-damage-resistant fused-silica optics
Computer control and process monitoring of electrolytic in-process dressing of metal bond fine diamond wheels for NIF optics
Fun facts about pitch and the pitfalls of ignorance
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A Technique to Control Global Figure Using Acid Immersion and Zernike Decomposition
DocumentTechnical Paper
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Application of precision diamond machining to the manufacture of microphotonics components
DocumentTechnical Paper
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Coating High Quality Custom Optics: Risk Reduction Through Supplier Evaluation
DocumentTechnical Paper
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Combined advanced finishing and UV-laser conditioning for producing UV-damage-resistant fused-silica optics
DocumentTechnical Paper
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Computer control and process monitoring of electrolytic in-process dressing of metal bond fine diamond wheels for NIF optics
DocumentTechnical Paper
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Modern Optics Drawings: The journey from MIL to ANSI to ISO drawing formats
DocumentTechnical Paper
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Projection Optics for Extreme Ultraviolet Lithography (EUVL) Micro-field Exposure Tools (METs) with a Numerical Aperture of 0.5
DocumentTechnical Paper
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