Zygo offers over 50 years of experience in manufacturing precision optics and high-precision metrology. This combination makes us the ideal partner in the rapidly growing market of space-based communications and Earth observation. Already, numerous satellites are equipped with Zygo telescopes and deliver up-to-date images from space on a daily basis. As a vertically integrated company we... (read more)

The Qualifire™ is our most adaptable interferometer yet. It combines technical advancements and usability improvements with new features to provide top-end, flexible solutions. (read more)

Join Zygo metrology software experts to discuss how you can make the most out of your measurements.

For decades, Zygo's Mx software and our non-contact optical products have set the standard for providing trusted measurements, guiding users from data acquisition to analysis with interactive 3D maps, quantitative topography data, intuitive navigation, and built-in statistical proce... (read more)

Middlefield, CT – A global leader in the design and manufacture of advanced optical metrology systems — Zygo Corporation — has announced their latest Mx software package release. This is a new software package release for all eligible Zygo systems.

Zygo’s Mx software integrates acquisition and data analysis for surface topography and wavefront data. Its pow... (read more)

• Current landscape and challenges around optical manufacturing quality For manufacturers of today’s ubiquitous consumer electronics devices, having the utmost confidence, precision, and speed of metrology is critical. With components such as lenses, optical sensors, and camera modules having a strong influence on the completed device, manufacturers place impor...

Berwyn, Pa., December 15, 2022 - AMETEK, Inc. (NYSE: AME) congratulates the Lawrence Livermore National Laboratory (LLNL) on the successful inertial confinement fusion experiment that represents a giant leap forward in the realization of sustainable fusion energy.

At an announcement made at LLNL, US Energy Secretary Jennifer Granholm and Under Secretary for Nuclear Security and Ad... (read more)

There is a given when it comes to telescope lenses for use on earth or in space. The bigger the better! A bigger diameter implies greater optical resolution and light gathering power.

But making bigger and bigger mirrors and windows comes with some considerations for those wishing to deploy them, and for the companies charged with their fabrication.

First, bigger mirror and... (read more)

A global leader in the design and manufacture of advanced optical metrology systems Zygo and Digital Surf, creator of the Mountains^® software platform for image and surface analysis in microscopy and metrology, today announced the release of Mx™ with Mountains® Advanced Contour. This is a new software package for users of Zygo Corporation’s range of optical... (read more)

The Compass™ 2 optical profiler is a high-precision instrument for discrete micro lenses and molds used in compact imaging systems, such as cameras for tablets and smart phones, and automotive vision systems. It analyzes the critical form, texture, and relational features (datum surfaces) of rotationally symmetric spherical, aspheric, geometrically truncated and freeform optical su... (read more)

The Verifire Asphere+ (VFA+) system enables precise asphere
metrology by leveraging Fizeau interferometry — a long-proven
method of high-precision and high-resolution optical metrology. It produces full aperture measurements at very high resolution, enabling polishing feedback of the entire optic surface. (read more)

3D Optical Surface Profiler with Sub-Nanometer Precision (read more)

Position Metrology Systems High precision non-contact solutions for stage position and absolute position metrology applications. The ZMI™ displacement measuring interferometer system precisely measures relative changes in distance to a target. The ZPS™ system provides high-precision non-contact absolute position measurement on up to 64 synchronized channels. (read more)

ZYGO nano-position sensors are widely used in closed-loop motion control systems, mainly for lithography and inspection tool staging, as well as for deformable optical systems. (read more)

This podcast features discussions with Jack Clark, Senior Principal Scientist at Woodward Inc., and Dr. Chris Evans, Professor of Mechanical Engineering and Director of the Center for Precision Metrology at the University of North Carolina at Charlotte.

An essential aspect for those in the field of surface metrology (or looking to become a part of it) is entertaining different per... (read more)

The NewView™ 9000 3D optical surface profiler provides powerful versatility in non-contact optical surface profiling. With the system, it is easy and fast to measure a wide range of surface types, including smooth, rough, flat, sloped, and stepped. All measurements are nondestructive, fast, and require no sample preparation. (read more)

Designed for the most demanding applications, the Nexview™ NX2 3D optical profiler combines exceptional precision, advanced algorithms, application flexibility, and automation into a single package that represents ZYGO's most advanced Coherence Scanning Interferometric (CSI) profiler. (read more)

Many ZYGO metrology instruments rely on interferometry combined with imaging systems to measure surface form, waviness, and roughness. Although these instruments have advanced software that performs data interpretation for you, it can be helpful to understand how the imaging process influences interferometric measurements at a fundamental level. (read more)

In this webinar, ZYGO Applications Engineer Mackenzie Massey highlights a case study that focuses on how measurement data can be used to drive process optimization of laser-grade optical surfaces, using advanced non-contact areal metrology tools. (read more)

As the world leader in metrology ZYGO is uniquely suited to supply plano optics for high precision reference and transmission flats. Our state-of-the-art interferometers, teamed with our proprietary polishing capabilities, keep ZYGO in the forefront. (read more)

The wide range of objectives ZYGO offers for its optical profilers is unmatched in the industry, and is continually growing, in response to the needs of our customers. With magnifications ranging from 1X to 100X, ZYGO is likely to have the optimum objective for your application both today, and in the future as your metrology needs change. (read more)

The Verifire™ XL interferometer is a stand-alone workstation designed for simplistic and reliable metrology of large flat surfaces up to twelve inches (300 mm) in diameter. Examples include front-surface reflectors, windows, and semiconductor wafers or wafer chucks. (read more)

ZYGO offers a wide variety of accessories to expand or enhance the capabilities of your interferometer system. (read more)

Wafer production technology requires extreme precision components, whether for reticle stages, wafer stages or imaging technologies. ZYGO is a leading supplier of stage positioning components, serving the semiconductor industry and emerging EUV technologies through multiple custom orders. (read more)

Transmission and reference flats and spheres, mounts, holders, and radius of curvature options provide the building blocks necessary for you to create optimum measurement setup to meet your metrology requirements, without the need for custom fabrication. (read more)

UltraHigh Resolution Interferometry for Precise Mid-Spatial Frequency Characterization (read more)

ZYGO's Mx™ software powers complete system control & data analysis, including interactive 3D maps, quantitative topography data, intuitive navigation, & built-in SPC with statistics, control charting, and pass/fail limits. (read more)

A corner cube retroreflector, also known as a CCR or trihedral prism, is an optical structure that consists of three adjacent, mutually-orthogonal plane-reflecting surfaces which form the corner of a cube. The corner cube reflects an incident ray at a specific angle, independent of the prism and beam orientations. (read more)

ZYGO's Optics business segment manufactures precision optical mirrors to exacting standards. (read more)

Dynamic metrology... with confidence

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. (read more)

ZYGO's Optics business segment manufactures precision spheres and lenses ranging in diameter from 50 mm to 200 mm with radii from 12.7 mm to 8 meters. (read more)

Extreme Precision Aspheric Optics

Precision aspheres are manufactured with extreme precision aspherical manufacturing technologies. Aspheres - precision aspherical optics manufactured by ZYGO's Optics business segment - can be manufactured in sizes up to 500 mm, with tolerances better than λ/5000 RMS @ 633 nm. (read more)

ZYGO's Optics business segment manufactures prisms when the most demanding angles and flatness tolerances are required. Our metrology and polishing capabilities allow us to supply prisms with sub arc-second angle tolerances, very flat surfaces and excellent transmitted wavefront characteristics. In addition, ZYGO offers a broad range of coating options. (read more)

High precision optical windows, customized to your specifications.

ZYGO is trusted worldwide to provide optical windows for the most high-precision, advanced applications. For over 45 years, we specialize in bringing the most challenging optical designs to life. ZYGO works as your design partner, ensuring you receive windows meeting your most stringent specifications. (read more)

ZMI™ lasers provide frequency stabilized, two-frequency output to drive multiple measurement axes. The small ZMI™ 7705 is used with the ZMI™ 501A measurement enclosure to provide two axes of measurement. The larger lasers include features such as more power (7702), water cooling (7714), and separate laser source and delivery modules (7722/7724). (read more)

ZYGO's Verifire™ interferometer system provides fast high-precision measurements of plano or spherical surfaces, and transmitted wavefront of optical systems and assemblies. Measure glass or plastic optical components - like flats, lenses, and prisms - and even precision machined metal and ceramic surfaces. (read more)

The ZPS™ system provides high-precision non-contact absolute position measurement
on up to 64 synchronized channels. (read more)

ZYGO's Super Finishing process produces extremely smooth surfaces over a wide power spectral density (PSD) band on materials such as fused silica, sapphire, YAG, etc. Our unique process (also known as Super Polishing) is capable of producing a surface roughness of < 1 Angstrom (< 0.1 nm), over spatial periods ranging from 10 nm to 1 mm. (read more)

Precise, reliable, characterization of thin film topography and thickness, and substrate topography (read more)

ZYGO's Optics business segment has a long, rich heritage in developing products for the Defense market. (read more)

ZYGO's Optics business segment is the chosen leader in high fluence large optics. ZYGO understands what is required for high energy applications and we have developed processes to allow very high fluence optics with nearly damage free surfaces (read more)

The ZYGO Advantage

ZYGO's engineers, master opticians, coating technicians and assemblers specialize in bringing the most challenging designs to life. We have over 45 years of experience in fabricating optics for use in the most extreme operating environments. (read more)

ZYGO's Optics business segment is uniquely positioned to design and manufacture complex electro-optical and opto-mechanical assemblies and products used in the Life Sciences market, including medical, dental, and cytology applications. (read more)

ZYGO's proprietary machining techniques enable us to fabricate stage and optical components with complex geometries to exacting dimensional and angular tolerances and surface finishes. (read more)