Infrared Interferometers

At-wavelength metrology for demanding IR imaging applications

Verifire Interferometer, Infrared WavelenghtsOptical imaging applications are broad and varied. Testing at a system's design wavelength is critical for development, final alignment and qualification.

Night vision, IR, and thermal imaging systems for aerospace and defense, lithography subsystems, remote sensing telescopes, and exotic material qualification represent broadly-varying wavelength requirements, and all benefit from testing at design wavelength with an infrared interferometer system.

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ZYGO, long recognized as the world leader in interferometric testing instruments, has designed and built many specially-equipped interferometer systems, including NIR, SWIR, MWIR and LWIR wavelengths.  ZYGO also designs and manufactures an array of reference optics (transmission spheres and transmission flats) for these wavelengths.

Key Features

  • Wide range of operating wavelengths:
    • NIR:  1.053 µm & 1.064 µm
    • SWIR:  1.55 µm
    • MWIR:  3.39 µm
    • LWIR  10.6 µm
  • At-wavelength QFAS alignment view eases setup of infrared test systems and components.
  • QPSI™ acquisition technology, available only from ZYGO, enables reliable measurements in vibration-prone environments – available with NIR, SWIR and MWIR models.
  • Optional DynaPhase™ instantaneous data acquisition for vibration insensitive metrology in the most difficult environments.
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TitleInteractive Transmission Sphere Selector
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TitleInterferogram Interpretation and Evaluation Guide
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TitleLaser Interferometer Accessory Guide
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TitleTransmission Sphere Selection Guide
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TitleTypical Interferometer Setups Guide
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TitleHorizontal Radius Metrology Specs
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TitleTransmission Spheres Specs
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TitleVerifire™ IR 106
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TitleVerifire™ IR 339
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TitleVerifire™ MST IR
Title
Document
Download Link
Interactive Transmission Sphere Selector
DocumentInteractive Document
Download Link Download
Interferogram Interpretation and Evaluation Guide
DocumentReference Guide
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Laser Interferometer Accessory Guide
DocumentBrochure
Download Link Download
Transmission Sphere Selection Guide
DocumentBrochure
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Typical Interferometer Setups Guide
DocumentBrochure
Download Link Download
Horizontal Radius Metrology Specs
DocumentSpecifications
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Transmission Spheres Specs
DocumentSpecifications
Download Link Download
Verifire™ IR 106
DocumentSpecifications
Download Link Download
Verifire™ IR 339
DocumentSpecifications
Download Link Download
Verifire™ MST IR
DocumentSpecifications
Download Link Download
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TitleMetrology in Production Environments - QPSI Technology
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TitleMeasurement of Aspheric Surfaces
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TitleDetermining Asphere Measurability
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TitleGrazing Incidence Testing
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TitleInterferogram Scale Factor
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TitleSilver Overcoat Spray
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TitleTesting Cylindrical Surfaces with Computer Generated Holograms
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TitleFringe Analysis versus Phase Measuring Interferometry
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TitleFinite Conjugate Lens Testing
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TitleTesting Cylindrical Optics
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TitleMetroPro® Cylinder Tools
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TitlePentaprism Testing
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TitleSubtraction of Transmission Sphere Reference Data
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TitleCritical Alignment of Transmission Flats
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TitleCritical Alignment of Transmission Spheres
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TitleUsing Static Fringe Data in PHom.app
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TitleBack Surface Suppression in Spherical Cavities
img1
TitleImaging at the Cats-Eye Position in the Two-Sphere Test
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TitleCritical Alignment of Aperture Converters
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TitlePV versus RMS
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TitleRMS Multipliers for Seidel Coefficients
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TitlePVr - A Robust Amplitude Parameter
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TitleUltrasphere™ and Ultraflat™ Zernike Correction
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TitleUsing the Auto Focus Feature with Non-ZYGO Transmission Spheres
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TitleUnderstanding the PV Specification
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TitleCertifiable Full Area Calibration of Plano Reference Optics
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TitleDynaPhase™ Set-Up Guide
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TitleCoherent Artifact Reduction System (CARS)
Title
Document
Download Link
Metrology in Production Environments - QPSI Technology
DocumentAB-0102
Download Link Download
Measurement of Aspheric Surfaces
DocumentAN-0007
Download Link Download
Determining Asphere Measurability
DocumentAN-0008
Download Link Download
Grazing Incidence Testing
DocumentAN-0010
Download Link Download
Interferogram Scale Factor
DocumentAN-0015
Download Link Download
Silver Overcoat Spray
DocumentAN-0016
Download Link Download
Testing Cylindrical Surfaces with Computer Generated Holograms
DocumentAN-0017
Download Link Download
Fringe Analysis versus Phase Measuring Interferometry
DocumentAN-0018
Download Link Download
Finite Conjugate Lens Testing
DocumentAN-0019
Download Link Download
Testing Cylindrical Optics
DocumentAN-0020
Download Link Download
MetroPro® Cylinder Tools
DocumentAN-0021
Download Link Download
Pentaprism Testing
DocumentAN-0022
Download Link Download
Subtraction of Transmission Sphere Reference Data
DocumentAN-0023
Download Link Download
Critical Alignment of Transmission Flats
DocumentAN-0024
Download Link Download
Critical Alignment of Transmission Spheres
DocumentAN-0025
Download Link Download
Using Static Fringe Data in PHom.app
DocumentAN-0026
Download Link Download
Back Surface Suppression in Spherical Cavities
DocumentAN-0027
Download Link Download
Imaging at the Cats-Eye Position in the Two-Sphere Test
DocumentAN-0028
Download Link Download
Critical Alignment of Aperture Converters
DocumentAN-0029
Download Link Download
PV versus RMS
DocumentAN-0030
Download Link Download
RMS Multipliers for Seidel Coefficients
DocumentAN-0031
Download Link Download
PVr - A Robust Amplitude Parameter
DocumentAN-0037
Download Link Download
Ultrasphere™ and Ultraflat™ Zernike Correction
DocumentAN-0038
Download Link Download
Using the Auto Focus Feature with Non-ZYGO Transmission Spheres
DocumentAN-0039
Download Link Download
Understanding the PV Specification
DocumentAN-0040
Download Link Download
Certifiable Full Area Calibration of Plano Reference Optics
DocumentAN-0051
Download Link Download
DynaPhase™ Set-Up Guide
DocumentAN-0061
Download Link Download
Coherent Artifact Reduction System (CARS)
DocumentAN-0065
Download Link Download
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TitleAligning a DynaFlect Transmission Flat
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TitleAperture Converter - Installation and Alignment Procedure
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TitleInterferogram Interpretation and Evaluation
img1
TitleLaser Interferometer Accessory Guide
Title
Document
Download Link
Aligning a DynaFlect Transmission Flat
DocumentOMP-0454A
Download Link Download
Aperture Converter - Installation and Alignment Procedure
DocumentOMP-0272C
Download Link Download
Interferogram Interpretation and Evaluation
DocumentInterEval.pdf
Download Link Download
Laser Interferometer Accessory Guide
DocumentOMP-0463AM
Download Link Download
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TitleSolutions for environmentally robust interferometric optical testing
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Title101 Frame Algorithm For Phase Shifting Interferometry
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TitleA next-generation optical surface form inspection instrument for high-volume production applications
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TitleA review of selected topics in interferometric optical metrology
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TitleAbsolute distance measurements using FTPSI with a widely tunable IR laser
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TitleAbsolute Interferometric Testing of Spherical Surfaces
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TitleAbsolute Measurement of Rotationally Symmetrical Aspheric Surfaces
img1
TitleAchieving Precision Radius Metrology for Large Optics
Title
Document
Download Link
Solutions for environmentally robust interferometric optical testing
DocumentTechnical Paper
Download Link Download
101 Frame Algorithm For Phase Shifting Interferometry
DocumentTechnical Paper
Download Link Download
A next-generation optical surface form inspection instrument for high-volume production applications
DocumentTechnical Paper
Download Link Download
A review of selected topics in interferometric optical metrology
DocumentTechnical Paper
Download Link Download
Absolute distance measurements using FTPSI with a widely tunable IR laser
DocumentTechnical Paper
Download Link Download
Absolute Interferometric Testing of Spherical Surfaces
DocumentTechnical Paper
Download Link Download
Absolute Measurement of Rotationally Symmetrical Aspheric Surfaces
DocumentTechnical Paper
Download Link Download
Achieving Precision Radius Metrology for Large Optics
DocumentTechnical Paper
Download Link Download
Adjustable coherence depth in a geometrically-desensitized interferometer
DocumentTechnical Paper
Download Link Download
Advances in optical metrology
DocumentTechnical Paper
Download Link Download

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