Zygo Corporation

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Zygo Corporation Zygo is a global leader in advanced optical metrology and ultra-precise optical components.

From laser interferometers and 3D optical profilers to precision optics exceeding one meter in size, Zygo’s technologies enable innovation across industries Zygo Corporation is a global leader in the design and manufacture of advanced optical metrology systems and ultra-precise optical components and assemblies. Our Metrology business segment is comprised of three major groups: optical surface profilers, laser interferometers, and stage position metrology. The products and systems produced by these groups employ various optical phase analysis techniques for measuring displacement, surface shape and texture, and film thickness. Applications for our metrology products are diverse, and include precision machining, optical manufacturing, and semiconductor manufacturing, as well as many others. Our Optics business segment is comprised of two major groups: Electro-Optics and Optical Components. These groups leverage ZYGO's expertise in optical design and assembly, and high-volume manufacturing of precision optical components and systems, for aerospace, defense, medical, and industrial applications. Founded in 1970, and headquartered in Middlefield, Connecticut, USA, ZYGO's global operations are supported by approximately 500 dedicated and highly-skilled individuals around the world. Throughout its history, ZYGO has been driven by a passion for innovation, as evidenced by approximately 1,200 patents awarded since the Company's founding. In 2014, ZYGO became part of the Ultra Precision Technologies Division of AMETEK, Inc., a leading global manufacturer of electronic instruments and electro-mechanical devices. With annual sales over $4 billion, AMETEK has more than 15,000 colleagues at nearly 150 operating locations, and a network of sales, service and support locations across the United States and in 30 other countries. ZYGO enjoys mutually-beneficial relationships with its AMETEK sister companies, collaborating on technologies and sharing resources in order to provide the best possible experience for our customers. While we are a part of the AMETEK family, we are still the same Zygo Corporation that you have known and trusted for over 45 years, committed to serving your precision metrology and optics needs now and in the future.

10/05/2026

Stitching in Zygo's Mx™ software extends the measurement area of our 3D Optical Profilers beyond the field of view of a single acquisition

Multiple overlapping measurements are automatically aligned and merged into a single high-resolution dataset, enabling characterization of large surfaces while preserving micron- and nanometer-scale detail

Built-in stitching algorithms simplify the measurement of features that exceed the profiler's native field of view, reducing the need for compromise between measurement area and resolution

This feature is ideal for applications ranging from semiconductor wafers and advanced packaging components to precision optics, additive manufacturing surfaces, and other large-area measurements

Zygo's 3D Optical Profiler instruments enable precise, quantitative, ISO-compliant, non-contact surface measurement and characterization of micro- and nano-scale surface features, capturing up to two million data points in just seconds

Learn more: https://ow.ly/reLw50ZHvyY

Our new Complete Guide to Common Interferometer Setups breaks down how to arrange your Laser Interferometer for a wide r...
10/02/2026

Our new Complete Guide to Common Interferometer Setups breaks down how to arrange your Laser Interferometer for a wide range of applications

Measuring flat optics, prisms, spheres, lenses, aspheres, and freeform surfaces often requires very different interferometer configurations

The blog explores the most common interferometer setups used in optical manufacturing and research, including:

- Surface flatness and transmitted wavefront measurements
- Wedge and prism testing
- Spherical surface figure measurements
- Radius of curvature measurements
- Lens and optical system testing
- Computer-generated hologram (CGH) testing for complex optics

If you've ever wondered why different transmission elements, reference optics, or aperture sizes are needed, this guide explains the fundamentals

Access the guide for free here: https://ow.ly/Z0qj50ZHvxE

10/01/2026

Zygo’s Service Program offers a wide range of support so that you can get the most out of our metrology products and solutions

Take advantage of worry-free maintenance and global repair coverage for all of your Zygo hardware and software

Each offering provides increasing levels of best-in-class service and support such as extended warranties, preventative maintenance, instrument certification, and more

Premium service packages include a guaranteed 3-day turnaround time for both covered service and annual recertification, wear and tear parts, software upgrades, and much more

Learn more at https://ow.ly/Wf9C50ZSjTm

We're proud to see Peter de Groot, Scientist Emeritus at Zygo and 2025 SPIE President, promoting optics and photonics ed...
09/30/2026

We're proud to see Peter de Groot, Scientist Emeritus at Zygo and 2025 SPIE President, promoting optics and photonics education worldwide

Last week, Peter participated in the inaugural NYANSAPƆ Photonics School for Health and Safety at the Kwame Nkrumah University of Science and Technology (KNUST) in Ghana

Students and researchers from across Africa gathered for hands-on training in topics as varied as Raman spectroscopy, optical tweezers, benchtop nuclear magnetic resonance systems, and low-cost optical coherence tomography

The event also marked the commissioning of the SPIE-funded Ghana Photonics and Optics Laboratory (GPOL), a new research and teaching facility dedicated to advancing photonics education, research, and outreach throughout Ghana and West Africa

As Chair of the GPOL Advisory Board, Peter emphasized the importance of light-based technologies in fields ranging from healthcare and telecommunications to agriculture, mining, and infrastructure, while highlighting the value of creating opportunities for students to pursue world-class scientific research closer to home

The inspirational week was completed with an excursion to a local high school, where NYANSAPƆ participants introduced young students to the magic of optics and opto-electronics

At Zygo, we believe innovation thrives when knowledge, opportunity, and scientific curiosity are shared broadly. We are honored to see Peter contributing to initiatives that help inspire the next generation of researchers, engineers, and innovators

Congratulations to the teams at GPOL, KNUST, SPIE, and all of the partners who helped make this milestone possible

Happy National Coffee Day to all of the caffeine lovers out thereWe celebrated by measuring coffee grounds with one of o...
09/29/2026

Happy National Coffee Day to all of the caffeine lovers out there

We celebrated by measuring coffee grounds with one of our NewView ™ 3D Optical Profilers

This showed that the individual grounds were around 300 - 500 microns in size

Our 3D Optical Profilers typically aren’t inspecting coffee though, and are instead measuring microstructures, optics, machined parts, and a lot more

They can quickly measure features from sub-nanometer to micron-levels in a single operation

Learn more about our NewView ™ 3D Optical Profilers here: https://ow.ly/noo950ZSqQK

It was great exhibiting together with Precitech, Taylor Hobson, and TMC Vibration Control at the W3+ Fair in Germany We ...
09/28/2026

It was great exhibiting together with Precitech, Taylor Hobson, and TMC Vibration Control at the W3+ Fair in Germany

We highlighted the ZeGage Pro HR, our production-ready 3D optical profilers that provide measurement and characterization of micro- and nanoscale features on virtually any 3D surface

Learn more about the ZeGage Pro HR here: https://ow.ly/gCQ050ZQyzv

09/23/2026

Pattern automation in Zygo’s Mx™ software streamlines high-throughput metrology with our 3D Optical Profilers

With minimal setup, operators can automatically capture tens to thousands of measurements

Built-in tools for automated data export and process statistics ensure hands-free tracking of critical specifications

This feature is ideal for applications ranging from wafer-level metrology to large-area roughness measurements where stitching is not needed

Zygo's 3D Optical Profiler instruments enable precise, quantitative, ISO-compliant, non-contact surface measurement and characterization of micro- and nano-scale surface features, capturing up to two million data points in just seconds

Learn more: https://ow.ly/Ca7850Zvf2o

The AMETEK Defense Expo in Versailles, France has been postponed to November 10, 2026Join us for a dedicated technical d...
09/22/2026

The AMETEK Defense Expo in Versailles, France has been postponed to November 10, 2026

Join us for a dedicated technical day featuring advanced defense technologies from Zygo and other AMETEK brands, technical round tables, and networking opportunities with industry professionals

It will be at the Versailles Palais des Congrès, France from 9:30 – 14:00

Register for free and discover how Zygo's metrology and optics are helping shape the future of defense: https://ow.ly/3FRI50ZwswR

We look forward to welcoming you to Versailles!

09/17/2026

Some scenes from IMTS in Chicago

The background song is "All That Jazz" from... Chicago The Musical

If you're here at IMTS, swing by Booth 134342 to see the impact of Zygo 3D Optical Profilers and Navitar Imaging Systems from R&D to the production floor

09/16/2026

Zygo's 3D Optical Profiler instruments enable precise, quantitative, ISO-compliant, non-contact surface measurement and characterization of micro- and nano-scale surface features, capturing up to two million data points in just seconds

Applications range from topography and waviness to roughness and microstructure characterization on samples as that vary from ultra-smooth sub-angstrom optical surfaces, to extremely rough and diffuse 3D printed surfaces

This clip from the IMTS 2026 tradeshow highlights how the range of Zygo 3D Optical Profilers serve engineers and operators from R&D to the production floor

Learn more about Zygo 3D Optical Profilers here: https://ow.ly/a68z50ZOfIp

Address

21 Laurel Brook Road
Middlefield, CT
06455

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+18603478506

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