Optical Windows

AMETEK, Inc. Logo
Precision Optical Components & Systems Precision Optical Components Design, Assembly, & Integration Markets & Applications Optical Materials Case Studies Contact

Precision Optical Components Aspheres Extreme Precision Optics Super Finishing Optical Windows High Fluence Products Transmission Spheres & Flats Precision Reference Surfaces Optical Mirrors Corner Cube Retroreflectors High Precision Prisms Spherical Optics Thin Plate Optics Glass & Ceramic Machining Semiconductor Stage Components Straight Edges Coatings High-Precision Optical Windows Optical Materials Cleartran™ Optical Windows Fused Silica Optical Windows Germanium Optical Windows Sapphire Optical Windows Silicon Optical Windows Zinc Selenide Optical Windows Zinc Sulfide Optical Windows

Optical Windows High precision optical windows, customized to your specifications

Large Precision Optical Window
Key Features

• Wide variety of materials available

• Windows operate in UV, VIS and IR

• Proprietary fabrication processes to maximize strength and reliability

• Transmitted Wavefront Error (TWE) better than λ/20

• Wedge tolerances < 10 arc seconds

• Sizes exceeding 1 meter diameter

For the past 10 years, ZYGO has been the supplier of choice to Thales UK's optronics business for its sapphire windows needs. Thales UK has consistently found ZYGO able to deliver high performance, high quality windows on time and on budget in support of our Naval projects.
– Thales UK
Optical Window made of Fused Silica
Fused Silica Optical Window
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.

An optical windows is a polished piece of material that is transparent at some portion of the electromagnetic spectrum, which allows the desired portion of the spectrum to pass into an optical instrument unaltered. Some common types of windows we produce include:

• Conformal Windows

• Debris Shields

• Laser Windows

Metrology transmission flats

• Periscope Windows

• Vacuum Windows

• Viewports

ZYGO's optical windows are created using stringently controlled fabrication processes, allowing them to function reliably in a variety of extreme environments. ZYGO windows are found underwater, in deserts, at high altitudes and orbiting the earth.

The ZYGO Advantage

We customize every optical windows to meet or exceed your requirements. The windows we create are unique, requiring cutting-edge fabrication technologies. ZYGO's proprietary processes allow us to create optical windows meeting challenging specifications, such as:

• Sizes up to and exceeding one meter diameter

Advanced thin film coatings

• Excellent transmitted wavefront error

• High aspect ratio

• Accurate wedge tolerance

• High flexural strength

• High laser induced damage threshold

• Complex geometries


ZYGO has a long tradition of manufacturing custom optical windows for a wide variety of applications. Combining our metrology expertise, manufacturing experience, durable coatings and environmental testing capabilities allows us to provide you with data ensuring we deliver products meeting your most demanding requirements.

Defense & Aerospace

- Intelligence, surveillance & reconnaissance (ISR)
- FLIR sensing systems
- High Energy Laser (HEL) / directed energy programs

Medical/Life Sciences

- Manufacturing in ISO 13485:2003 compliant facility

• Research and Development

- Physics particle research
- Earth science satellites


ZYGO is capable of processing a wide variety of optical materials for use in the UV, visible, and IR wavelength regions. Our engineers are prepared to help specify or suggest material choices based on cost, schedule and performance to fit your specific applications.

Contact Us

Our high quality windows reflect the ZYGO commitment to providing unparalleled optical windows. As a trusted source for the highest quality products, our optics are everywhere - from under the oceans to orbiting the Earth. Contact us with your requirements.
Inquiry/Quote Form – Optical Windows
Please use the form below to contact us with any questions you have regarding optical windows, or any of ZYGO's optical products, services, or capabilities. You may send any additional information, including specifications and/or prints, to:

First Name * Last Name *
Job Title or Function * E-mail Address *
Company or Organization * Phone Number *
Street Address City
State/Province  Zip/Postal Code
Country/Region *
  Check this box to provide consent for ZYGO to contact you in the future. **
Optic Type:     
Optic Shape:     
Coating Type:
Additional Info: 
* Required entries
Required for USA and Canada

If you experience any difficulty submitting this form, contact:

** You may withdraw this consent at any time using the "unsubscribe" link at the bottom of any page on this web site.

By continuing to use this site, you agree to our Privacy and Cookie Policy. OK

Brochures Spec Sheets Technical Papers

Contact ZYGO today

Social Media Icons LinkedIn Twitter Facebook YouTube

  Privacy and Cookie Policy        Privacy Policy Inquiry Form        Unsubscribe
× Enter the email address you would like to unsubscribe from future contact...


Or, if you have a question, please use our Privacy Policy Inquiry form.