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Edmund Optics^® offers zinc selenide (ZnSe) aspheric and spherical lenses featuring II-VI’s world-renowned ZnSe, as well as Polycrystalline CVD Diamond Windows.

Why Buy II-VI Products from Edmund Optics^®?

The ZnSe spherical and aspheric lens designs are exclusively available through Edmund Optics.
Large global inventory of standard II-VI products available for immediate shipping.
Edmund Optics’ engineers ready to help via phone, chat, or email.
Wide selection of complementary optomechanics and optical components.

II-VI Products

Zinc Selenide (ZnSe) Aspheric Lenses

Edmund Optics Designed, II-VI Manufactured
Premier Grade ZnSe Material
Uncoated or Broadband 8-12µm AR Coating Available

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Zinc Selenide (ZnSe) Plano-Convex (PCX) Lenses

Edmund Optics Designed, II-VI Manufactured
Premier Grade ZnSe Material
Uncoated or Broadband AR Coating Options

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II-VI Optical Grade Polycrystalline CVD Diamond Windows

High Transmission Across UV, FIR, and Microwave Spectra
High Thermal Conductivity for Use with High Power Lasers
Exceptional Hardness for Ultimate Scratch Resistance
II-VI Manufactured

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II-VI CO₂ Beam Expanders

Designed for CO2 Laser Sources at 10.6μm
Compact Housing for Easy System Integration
II-VI Infrared ZnSe Optical Elements

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Compact Mirror & Lens Mounts

Ideal for Mounting Mirrors, Lenses, and Filters at a Uniform 25.4mm Optical Centerline
Compact Design Ideal for Space-Restricted Systems
Options Include C and S-Mount Circular Optic Mount Compatibility

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Infrared (IR) Bandpass Filters

Ideal for Gas Analysis
Center Wavelengths of 2.7-10.6μm
Single Substrate Interference Filter

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Infrared (IR) Longpass Filters

Coated on Silicon or Germanium Substrates
Ideal for Isolating Broad Spectral Regions
Durable, First-Surface Coatings

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Polarized Stress Tester

Ideal for Stress Pattern Examination
Useful for Testing Lens Hardness Formation
Carrying Case is Included

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Technical Resources

Application Notes

Technical information and application examples including theoretical explanations, equations, graphical illustrations, and much more.

All About Aspheric Lenses
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Quantum Cascade Lasers
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An Introduction to Passive Athermalization
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The Correct Material for Infrared (IR) Applications
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Aspheric Lens Irregularity and Strehl Ratio
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Published Articles

Links to technical articles appearing in industry publications authored by Edmund Optics or featuring contributions from EO's engineering team and key management.

"Properly Designing and Specifying Aspheric Lenses" by Cory Boone - Tech Briefs
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"Spatial Frequencies and Aspheric Lens Performance" by Pim Messelink and Cory Boone - Novus Light Technologies
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"Aspheres: The impact of shape factor on asphere design" by Eduardo Gonzalez - Laser Focus World
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"Aspheres: Still Adding Value" by Oleg Leonov and Cory Boone - Optics & Photonics News
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