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Many optical designers have found aspheric lenses to be a favorable solution in situations where conventional spherical optics fall short.
The generation of Bessel beams with axicons is the most noted application for this uncommon type of aspherical surfaces. A more complex setup of combining several axicons and a common spherical lens will be the main aspect in the beam shaping consideration within this article.
Spherical lenses, also known as singlets, are optical lenses with curved surfaces that cause light rays to converge or diverge. They are widely used in imaging applications.
What are aspheric lenses and why might you want to use them? Using the same revolutionary technology that has changed the way photographers choose their camera lenses, many reading glasses feature thinner and lighter lenses than ever.
Optics production offers various technologies for the optical coating process. The choice depends on the properties of the raw material and the specifications of the optical systems/products.
Even with sophisticated lens systems, it can be difficult to get an entire image in focus. With any spherical surface, the light will bend differently depending on where on the surface the light is passing through.
Spherical lenses - also sometimes referred to as singlets - are optical lenses that feature a spherical surface with a radius of curvature that is consistent across the entire lens.
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