Aspheres & Freeforms

Freeform Optics

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)
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TitleHigh Precision Optical Components and Electro-Optic Solutions
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TitleOptical Solutions for Defense & Aerospace Applications
Title
Document
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High Precision Optical Components and Electro-Optic Solutions
DocumentBrochure
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Optical Solutions for Defense & Aerospace Applications
DocumentBrochure
Download Link Download
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Title4 Big Mistakes in Developing Photonics-Enabled Medical Devices
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TitleA Technique to Control Global Figure Using Acid Immersion and Zernike Decomposition
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TitleApplication of precision diamond machining to the manufacture of microphotonics components
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TitleBound-abrasive polishers for optical glass
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TitleCoating High Quality Custom Optics: Risk Reduction Through Supplier Evaluation
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TitleCombined advanced finishing and UV-laser conditioning for producing UV-damage-resistant fused-silica optics
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TitleComputer control and process monitoring of electrolytic in-process dressing of metal bond fine diamond wheels for NIF optics
img1
TitleFun facts about pitch and the pitfalls of ignorance
Title
Document
Download Link
4 Big Mistakes in Developing Photonics-Enabled Medical Devices
DocumentTechnical Paper
Download Link Download
A Technique to Control Global Figure Using Acid Immersion and Zernike Decomposition
DocumentTechnical Paper
Download Link Download
Application of precision diamond machining to the manufacture of microphotonics components
DocumentTechnical Paper
Download Link Download
Bound-abrasive polishers for optical glass
DocumentTechnical Paper
Download Link Download
Coating High Quality Custom Optics: Risk Reduction Through Supplier Evaluation
DocumentTechnical Paper
Download Link Download
Combined advanced finishing and UV-laser conditioning for producing UV-damage-resistant fused-silica optics
DocumentTechnical Paper
Download Link Download
Computer control and process monitoring of electrolytic in-process dressing of metal bond fine diamond wheels for NIF optics
DocumentTechnical Paper
Download Link Download
Fun facts about pitch and the pitfalls of ignorance
DocumentTechnical Paper
Download Link Download
Modern Optics Drawings: The journey from MIL to ANSI to ISO drawing formats
DocumentTechnical Paper
Download Link Download
Projection Optics for Extreme Ultraviolet Lithography (EUVL) Micro-field Exposure Tools (METs) with a Numerical Aperture of 0.5
DocumentTechnical Paper
Download Link Download

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