Verifire Asphere+

High-performing, flexible, and precise aspheric metrology

Aspheric optics enable significant benefits in the design and implementation of imaging, sensing and laser systems used in industries from defense & aerospace, semiconductor exposure and inspection systems and medical imaging systems.

Production of aspheres that support these applications is dependent on precision metrology.  After all, when it comes to aspheric optics, you can’t make what you can’t measure.  

The Verifire Asphere+ (VFA+) leverages the benefits of Fizeau interferometry to provide a unique combination of precise, high resolution, fast, and full aperture metrology for axisymmetric aspheres. 



360° View

The VFA+ provides a flexible metrology platform to measure a range of axisymmetric aspheres with only a change of the transmission sphere. The VFA+ is equipped with an optional secondary stage which supports a computer generated hologram (CGH) extending the asphere shape capability to nonsymmetric freeforms and off-axis aspheric optics.

NEW! With a focus on enhancing the user experience, you can easily set up new measurements, navigate measurement data & results, and diagnose production issues. Mx™ Software enables efficient R&D and prototyping phases and improves production applications with simple one-click setup, alignment and measurement capabilities.

  • MORE INFO
  • BROCHURES &
    SPEC SHEETS
  • APPLICATION
    NOTES
  • MANUALS
  • TECH PAPERS
  • VIDEOS

Key Features

  • Fully coherent optical design enabling the highest light efficiency, improving dynamic performance
  • Two options for metrology in vibration-prone environments, unique capabilities patented by ZYGO
    • QPSI™ technology, available only from ZYGO, enables reliable measurements in vibration-prone environments
    • DynaPhase™ instantaneous data acquisition for vibration insensitive metrology in the most difficult environments
  • LivePhase™ acquisition provides real-time Zernike feedback for active monitoring of the alignment of an optical system.
  • Movie Mode provides the ability capture movies and data files at up to 82 frames/second
  • ZYGO-made HeNe laser source
    • Longer lifetime than commercially available lasers, 60k hour lifetime backed by a 3 year warranty!
    • Higher power for improved vibration performance and low-light applications
    • Wavelength stabilized to 0.0001 nm
  • Discrete optical zoom turret provides true resolution improvement up to 3X magnification
  • Coherent Artifact Reduction System (CARS) eliminates bullseyes from internal artifacts, and reduces coherent noise in measurements by up to 10X
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Laser Interferometers
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DynaFiz®
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DynaFiz®
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Interactive Transmission Sphere Selector
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Interferogram Interpretation and Evaluation Guide
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Horizontal Radius Metrology Specs
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Typical Interferometer Setups Guide
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Transmission Spheres Specs
Title
Document
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Laser Interferometers
DocumentBrochure
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DynaFiz®
DocumentBrochure
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DynaFiz®
DocumentSpecifications
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Interactive Transmission Sphere Selector
DocumentInteractive Document
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Interferogram Interpretation and Evaluation Guide
DocumentReference Guide
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Horizontal Radius Metrology Specs
DocumentSpecifications
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Typical Interferometer Setups Guide
DocumentBrochure
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Transmission Spheres Specs
DocumentSpecifications
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Metrology in Production Environments - QPSI Technology
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Measurement of Aspheric Surfaces
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Determining Asphere Measurability
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Grazing Incidence Testing
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Interferogram Scale Factor
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Silver Overcoat Spray
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Testing Cylindrical Surfaces with Computer Generated Holograms
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Fringe Analysis versus Phase Measuring Interferometry
Title
Document
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Metrology in Production Environments - QPSI Technology
DocumentAB-0102
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Measurement of Aspheric Surfaces
DocumentAN-0007
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Determining Asphere Measurability
DocumentAN-0008
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Grazing Incidence Testing
DocumentAN-0010
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Interferogram Scale Factor
DocumentAN-0015
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Silver Overcoat Spray
DocumentAN-0016
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Testing Cylindrical Surfaces with Computer Generated Holograms
DocumentAN-0017
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Fringe Analysis versus Phase Measuring Interferometry
DocumentAN-0018
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Finite Conjugate Lens Testing
DocumentAN-0019
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Testing Cylindrical Optics
DocumentAN-0020
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DynaFiz® Operating Manual
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Laser Interferometer Accessory Guide
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Laser Interferometer Accessory Instructions
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Laser Interferometer Alignment and Measurement Setup
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Laser Interferometer Quick Setup Guide
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Transmission Sphere Selection Guide
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Transmission Sphere Selector (Interactive Excel® Document)
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Mx™ Quick-Start Guide
Title
Document
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DynaFiz® Operating Manual
DocumentOMP-0569P
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Laser Interferometer Accessory Guide
DocumentOMP-0463AN
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Laser Interferometer Accessory Instructions
DocumentOMP-0634A
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Laser Interferometer Alignment and Measurement Setup
DocumentOMP-0635A
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Laser Interferometer Quick Setup Guide
DocumentOMP-0584A
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Transmission Sphere Selection Guide
DocumentTS_Selection.pdf
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Transmission Sphere Selector (Interactive Excel® Document)
DocumentOMP-0495E
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Mx™ Quick-Start Guide
DocumentOMP-0570D
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Mx™ Reference Guide
DocumentOMP-0550D
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Mx™ Remote Access Guide
DocumentOMP-0600A
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Solutions for environmentally robust interferometric optical testing
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101 Frame Algorithm For Phase Shifting Interferometry
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A next-generation optical surface form inspection instrument for high-volume production applications
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A review of selected topics in interferometric optical metrology
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Absolute distance measurements using FTPSI with a widely tunable IR laser
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Absolute Interferometric Testing of Spherical Surfaces
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Absolute Measurement of Rotationally Symmetrical Aspheric Surfaces
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Adjustable coherence depth in a geometrically-desensitized interferometer
Title
Document
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Solutions for environmentally robust interferometric optical testing
DocumentTechnical Paper
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101 Frame Algorithm For Phase Shifting Interferometry
DocumentTechnical Paper
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A next-generation optical surface form inspection instrument for high-volume production applications
DocumentTechnical Paper
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A review of selected topics in interferometric optical metrology
DocumentTechnical Paper
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Absolute distance measurements using FTPSI with a widely tunable IR laser
DocumentTechnical Paper
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Absolute Interferometric Testing of Spherical Surfaces
DocumentTechnical Paper
Download Download
Absolute Measurement of Rotationally Symmetrical Aspheric Surfaces
DocumentTechnical Paper
Download Download
Adjustable coherence depth in a geometrically-desensitized interferometer
DocumentTechnical Paper
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Advances in optical metrology
DocumentTechnical Paper
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Applications of optical coherence in interferometric metrology
DocumentTechnical Paper
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