Laser Interferometers

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Products 3D Optical Profilers Laser Interferometers Position Metrology Systems Custom Metrology Solutions Trade-in & Upgrade Program

Laser Interferometers Verifire™ Verifire™ HD Verifire™ HDX  New! DynaFiz® Mx™ Software Interferometer Accessories

Special Applications Verifire™ MST Infrared Interferometers Verifire™ XL Large Aperture Systems Upgrades

Unique Technologies QPSI™ DynaPhase®

Did you know?
Applications for ZYGO laser interferometer systems span across a wide range of industries, including consumer electronics, ophthalmology, semiconductor and defense & aerospace. ZYGO is the one optical metrology company that is trusted across the globe to qualify the world's most critical and precise optics. Shouldn't you be using a ZYGO laser interferometer?


Laser Interferometers

Laser interferometers from ZYGO were first introduced commercially 46 years ago. Today, ZYGO continues to maintain the leadership role in surface form metrology using laser interferometry. Thousands of ZYGO interferometers are installed worldwide and relied upon daily to provide accurate production measurements of optical components and assemblies.
Verifire Interferometer
Verifire
Reliable and cost effective shop floor fizeau interferometer with unmatched 3-year laser warranty.
  Verifire HD Interferometer
VerifireHD
Higher resolution imaging exposes mid-spatial frequency features.
  Verifire HDX Interferometer
VerifireHDX
Designed and built for mid-spatial frequency characterization of optical components and systems.
  Dynafiz Interferometer
Dynafiz®
Highest level of performance. Reliable metrology even in extreme vibration and air turbulence.

Interferometer Accessories - ZYGO qualifies all of our optical metrology accessories to ensure optimal interferometer performance. Our accessories include transmission and reference optics, opto-mechanical mounts and fixtures, radius of curvature hardware and vertical mounting options.

Special Applications

Verifire MST Multi-Surface Test Interferometer System Verifire™ MST - The Verifire™ MST utilizes a wavelength shifting laser and patented data acquisition methods to enable simultaneous measurement of the front and back surface of transparent optics, thickness variation (including wedge) and simple 2-step homogeneity metrology without difficult part preparation or messy coatings.

Verifire 10.6 Interferometer System Infrared Interferometers - Interferometers for testing optical systems and materials at their operating wavelength, from NIR to SWIR, MWIR and LWIR ZYGO, offers a range of operating wavelengths including optical references and accessories.

Verifire XL Interferometer System Verifire™ XL - The Verifire™ XL interferometer system is a stand-alone workstation designed for simplistic and reliable metrology of large flat surfaces up to 300 mm (12 inches) in diameter, without stitching. Designed for ease of use, with a heavy duty tip/tilt stage that provides repeatable part placement without the need for custom fixturing.

Large Aperture Interferometer System Large Aperture Interferometer Systems - Large Aperture Fizeau Interferometers are available for static and phase measuring applications with 12", 18", 24" and 32" apertures (300 mm to 800 mm). ZYGO's large aperture beam expanders are an optional extension to interferometers. Taking advantage of ZYGO's powerful lasers, the beam expanders are configured to provide both a standard 4" measurement beam and a large aperture metrology source.

Upgrade Your ZYGO Interferometer - ZYGO interferometers are built to last. Through our decades of support, as technology has advanced, ZYGO continues to offer upgrades to existing systems to improve and expand their capabilities.

Unique Technologies

Animated comparison of a PSI measurement with fringe print-through due to vibration, and the same surface measured with QPSI™ technology – free of noisy print-through.
Comparison of a surface measurement affected by vibration, and the same surface measured with QPSI™ technology.
QPSI™ Vibration Tolerant Interferometry eliminates ripple in phase data caused by small vibrations in a cavity, while maintaining a high-precision on-axis measurement configuration. ZYGO's proprietary QPSI data acquisition is enabled by a ZYGO-manufactured high-power HeNe laser source and patented software algorithms – no other vibration tolerant acquisition technique compares.

DynaPhase® Vibration Insensitive Interferometry freezes vibration and air turbulence, enabling metrology in extreme environments. Patented in-situ calibration ensures precision and confidence in metrology that can't be matched. NEW The DynaPhase® acquisition mode is now available as an option on the Verifire system, adding even more value to this workhorse interferometer.

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