Zinc Sulfide Cleartran™ Windows

Optics Business Segment Optical Components Group Electro-Optics Group Markets & Applications Optical Materials Case Studies Contact

Optical Components Group 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 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

Zinc Sulfide Cleartran™ Optical Windows Extreme precision Zinc Sulfide (Cleartran™) optical windows, customized to your specification

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


ZYGO has a long tradition of manufacturing custom-made optical windows for a wide variety of applications, including, but not limited to:

• Amplifier Slabs, discs and rods

• Debris Shields

Laser fusion optics

• Reference surfaces


Medical/Life Sciences

Industrial OEM

• Intelligence, surveillance & reconnaissance


ZYGO has developed a wide range of manufacturing processes to accommodate optical windows operating in the infrared (IR), visible, and ultra-violet (UV) parts of the spectrum. Similarly, ZYGO has experience with multi-spectral applications, combining IR and visible. Optical windows can be provided with or without thin film coatings.

• Infrared (IR) windows

• Ultra-violet (UV) windows

• Visible windows


ZYGO can fabricate zinc sulfide (Cleartran™) optical windows ranging in size from a few millimeters to greater than 1 meter.


In addition to Zinc Sulfide (Cleartran™), ZYGO has the capability to process a wide range of materials to fabricate optical windows. Other window products include, but are not limited to:

Germanium windows

Glass windows (fused silica, BK7, etc.)

Sapphire windows (various crystal orientations)

Silicon windows

Zinc selenide windows (ZnSe)

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 *
If you experience any difficulty submitting this form, please contact:
Optic Type:     
Optic Shape:     
Coating Type:
Additional Info: 
* Required entries  

AMETEK, Inc. Logo

Brochures Spec Sheets Technical Papers

Contact ZYGO's Optics business segment at 800-ZYGO-NOW.

Social Media Icons LinkedIn Twitter Facebook Google+ YouTube