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Zygo: Laser Interferometer Laser interferometers from ZYGO were first introduced commercially over 35 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, things that affect our daily lives. Applications 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? DynaFiz™ Dynamic Interferometers - highly optimized dynamic Fizeau laser interferometer for performing the most precise measurement of optics in the presence of air turbulence and extreme vibrations. Verifire™ Fizeau Interferometer Series - the ideal interferometry choice for accurate metrology of surface form. Verifire laser interferometers are used worldwide in quality control, R&D, and production test applications. The Verifire family of interferometers are quantitative phase shifting interferometers for use in the measurement of flat, spherical and aspheric optics. 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 the Verifire™ and GPI™ 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. GPI™ LC Laser Interferometer - The GPI™ LC interferometer allows you to perform visual fringe analysis of flat or spherical surfaces, and transmitted wavefront measurement of optical components and assemblies. UV and IR Interferometers - Interferometers using invisible light at both longer and shorter wavelengths. ZYGO is expert at interferometry at a range of wavelengths, from 266 nm to 10.6 µm infrared. 'Special' interferometers - For metrology needs outside the mainstream production offerings of ZYGO - and ZYGO's catalog of standard interferometers is larger than any - we have a special group of experts dedicated to producing precision systems for limited production. Unusual configurations, wavelengths and apertures are all part of our capabilities. Interferometry 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. 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.
Dynamic metrology... with confidence • Dynamic acquisition in turbulent air and extreme vibrations • NEW! QPSI vibration-tolerant acquisition • Optimized optical system provides clear visualization of mid-spatial frequency characteristics • LivePhase™ enables real-time Zernike analysis • Movie mode captures wavefront changes over time • High-power, long-life, frequency-stabilized HeNe laser
The new ZYGO DynaFiz™ dynamic laser interferometer is a highly optimized optical instrument designed specifically for performing accurate metrology of optics in the presence of air turbulence and extreme vibrations. The high light efficiency of the DynaFiz™ interferometer's optical system, combined with its long life, high power, HeNe laser source, enables operation at high camera shutter speeds that "freeze" vibration. This dynamic capability provides reliable metrology in environments that are too violent for traditional temporal phase shifting techniques. The low-noise, high resolution camera and optical magnification in the DynaFiz™ dynamic interferometer enables clear visualization of the mid-spatial frequency characteristics in the surface of a test artifact. Optical system testing can also benefit from the unique capabilities of the DynaFiz™ interferometer and its ability to capture live data. LivePhase™ acquisition provides real-time Zernike feedback for active monitoring of the alignment of an optical system. This capability is the basis for movie mode which combines numerous dynamic images into a movie clip that provides a history of how an optic or system changes over time. NEW! QPSI vibration-tolerant acquisition is now available standard on the DynaFiz interferometer. Take control of your metrology with any level of vibration. QPSI allows a faster vibration-robust measurement than dynamic acquisition, without the need for calibration or cavity changes. Get the most from your metrology investment with the unique capabilities and unmatched versatility of the DynaFiz™ interferometer. Reliability you can trust, only from ZYGO.
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