eo_logo

  • We have set your country/region to United States

    You can change this selection at any time, but products in your cart, saved lists, or quote may be removed if they are unavailable in the new shipping country/region.

    Select Your Country/Region

 
Knowledge Center / Glossary / U

Glossary: U

Ultraviolet (UV) Spectrum

The wavelength interval of the electromagnetic spectrum that corresponds to ultraviolet light (light that is beyond the visible violet range). UV radiation is often divided into three smaller regions: 320 - 400nm, 280 - 320nm, and 100 - 280nm – defined as UV-A, UV-B, and UV-C, respectively.

  See also Visible Spectrum , Infrared (IR) Spectrum

Unpolarized

Characterization of light that contains random combinations of x and y components of the electric field. Light from sources such as incandescent and fluorescent bulbs, LED spotlights, fiber optic illuminators and sunlight are all examples of unpolarized light.

  See also Polarization

We Design. We Manufacture. We Deliver.

Spherical optics, aspheric lenses, prisms, imaging lenses, imaging and laser optics assemblies, and mechanics are just a few of our expertise.

EO has the Expertise!

Edmund Optics' engineers are experts in delivering the best solution possible. From stock products to custom designs, EO has the industry and technical knowledge to help meet your needs.

Global Presence

Over 15 regional offices in the Americas, Europe, and Asia to offer local support with world-class service.

24/5 We Are Here to Help

Need to contact Edmund Optics? Use any of our fast and friendly services to meet your needs.

×