Precision Optical Components & Systems
Precision Optical Components
Design, Assembly, & Integration
Markets & Applications
Precision Optical Components Aspheres Extreme Precision Optics Super Finishing Optical Windows High Fluence Products Transmission Spheres & Flats Precision Reference Surfaces Optical Mirrors Corner Cube Retroreflectors High Precision Prisms Spherical Optics Thin Plate Optics Glass & Ceramic Machining Semiconductor Stage Components Straight Edges Coatings High-Precision Optical Windows Reference Flats
Reference Flats Custom Fabricated Single- or Double-Sided Reference Flats
Large Reference Flats on Rotary Polishing Machine
A double-sided reference flat, where both sides are polished to specification, may also be used as a reference surface for evaluating a test optic, or it may be used as a optical window, or as oil-on plates for material qualification, such as optical homogeneity.
ZYGO can fabricate custom reference flats from a wide range of materials, including, but not limited to:
• Cleartran (water-clear Zinc Sulfide - ZnS)
• Sapphire (various crystal orientations)
• Zinc selenide (ZnSe)
SizesZYGO can fabricate reference flats ranging in size from a few millimeters to greater than 1 meter.
WavelengthsZYGO has developed a wide range of manufacturing processes to fabricate reference flats and windows that operate in the infrared (IR), visible, and ultra-violet (UV) parts of the spectrum. Similarly, ZYGO has experience with multi-spectral applications, combining IR and visible. Reference flats can be provided with or without thin film coatings.
Inquiry/Quote Form – Reference FlatsPlease use this form to tell us about the reference flats you need, or ask questions about any of ZYGO's optical products, services, or capabilities. You may send any additional information, including specifications and/or prints, to:
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