spherical aberration

USAGE SUMMARY

The phrase "spherical aberration" is correct and usable in written English.
It is typically used in the context of optics and physics to describe a type of distortion that occurs when light rays passing through a lens or reflecting off a mirror do not converge at a single point. Example: "The telescope's images were affected by spherical aberration, leading to a blurred view of distant stars."

✓ Grammatically correct

Science

Encyclopedias

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Spherical aberration makes an image slightly fuzzy.

The Economist

This is known as spherical aberration (see Figure 8).

Encyclopedia Britannica

It took Aden a matter of minutes to diagnose spherical aberration.

The Guardian

Thompson, K. P. Multinodal fifth-order optical aberrations of optical systems without rotational symmetry: spherical aberration.

Nature

This includes spherical aberration, which causes different parts of the lens to refract light differently.

MIT Technology Review

Black, G. & Linfoot, E. H. Spherical aberration and the information content of optical images.

Nature

The image most free of spherical aberration is found at this distance.

Britannica

He, X. T. et al. Realization of zero-refractive-index lens with ultralow spherical aberration.

Nature

It corrects not only the third-order spherical aberration, but also the 5th-order spherical aberration for the system.

Optik - International Journal for Light and Electron Optics

"He said: 'You've got half a wave of spherical aberration and there is nothing you can do about it".

The Guardian

Spherical corneas, similar to spherical lenses, can suffer from spherical aberration.

Encyclopedia Britannica

Expert writing Tips

Best practice

When discussing optical systems, clearly define if you're referring to "spherical aberration" in lenses or mirrors, as correction methods can differ. Be specific with lens types and optical applications.

Common error

Don't use "spherical aberration" interchangeably with other optical aberrations like coma or astigmatism. Each has distinct causes and effects on image quality.

Linguistic Context

The phrase "spherical aberration" functions as a noun phrase, primarily serving as a technical term in optics and physics. Ludwig AI confirms this usage, indicating that it is a well-established concept within these fields. It is frequently used to describe a specific optical defect.

Expression frequency: Very common

Frequent in

Science

74%

Encyclopedias

10%

News & Media

8%

Less common in

Wiki

2%

Academia

1%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, "spherical aberration" is a frequently used noun phrase that refers to a specific type of optical defect in lenses and mirrors. Ludwig AI confirms its grammatical correctness and common usage. Its primary contexts are science, encyclopedias, and news media. To avoid confusion, it's important to distinguish it from other types of aberrations such as coma and astigmatism. Correction methods vary depending on the optical system. The term appears most often in formal and scientific registers.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

spherical distortion

This term emphasizes the geometric deformation aspect of the aberration.

lens aberration

Specifically relates the issue to the lens as the source of the problem.

mirror aberration

Similar to lens aberration but pertaining to mirrors instead of lenses.

optical aberration

A broader term that includes spherical aberration along with other types of optical imperfections.

image distortion

This term describes any deformation in the image produced by a lens or mirror, encompassing spherical aberration.

wavefront aberration

Describes the distortion of the wavefront of light, of which spherical aberration is one type.

lens imperfection

This phrase generalizes the issue to any flaw in the lens, of which spherical aberration is a specific type.

optical defect

A more general term for any flaw in an optical system affecting image quality.

blurring effect

Focuses on the visual outcome of the aberration rather than the cause.

off-axis aberration

While not perfectly synonymous, spherical aberration can manifest off-axis, making this a related concept.

FAQs

How does "spherical aberration" affect image quality?

"Spherical aberration" causes blurring, especially away from the center of the lens or mirror, because light rays don't converge at a single focal point.

What causes "spherical aberration"?

It arises from the spherical shape of lenses or mirrors, where rays at different distances from the center are focused at different points. Corrective lenses that are aspheric can solve this issue.

How can "spherical aberration" be corrected?

Correction methods include using aspheric lenses, employing multiple lens elements, or using adaptive optics to compensate for the aberration. For example, adaptive optical devices provide an active means of compensating for "spherical aberration".

Is "spherical aberration" only a problem in telescopes?

No, "spherical aberration" affects any optical system using lenses or mirrors, including microscopes, cameras, and even the human eye. Spherical corneas, similar to spherical lenses, can suffer from "spherical aberration".