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Measuring Aspheres: Selecting the Best Technique
Amy Frantz, Edmund Optics Inc.

The benefits of aspheric lenses are numerous: They allow for a reduction in spherical aberrations and are ideal for focusing or collimating light, as they can achieve a low ƒ-number. Aspheres...

What Is Photonics?
Photonics Media Editors

Photonics is the study of light and other types of radiant energy whose quantum unit is the photon. The impact of photonics on research, technology, navigation, culture, astronomy, forensics, and...

Aspheric Lenses: Optimizing the Design
Jeremy Govier, Edmund Optics Inc.

With the understanding of aspheric lens manufacturing provided in part one of this article, designers have the tools to optimize their aspheres; the next step is to understand how to specify and...

Aspheric Lenses: Design Considerations
Jeremy Govier, Edmund Optics Inc.

Aspheric surfaces are powerful tools that combine the optical corrections of multiple lenses into a single element (Figure 1) and affect performance in ways that spherical optics cannot. For example,...

Optical Design Software: Fundamentals and Potential
Richard Pfisterer, Photon Engineering LLC

Optical design software allows the user to develop a configuration of optical elements that manipulate the trajectory of light for the purposes of creating an image, illuminating a target, coupling...

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