Abbe number

Abbe number

A ratio which expresses the deviating effect of optical glass on light of different wavelengths. Conceived by the German scientist Ernst Abbe (1840-1905), a professor at the University of Jena and co-owner of the Carl Zeiss optical glass firm.

This is auto-generated content. You can help to improve it.

0 0

Improve it

Add an image

Part of Speech: proper noun
Synonym(s):
Blossary:
Industry/Domain: Manufacturing
Category: Glass
Company:
Product:
Acronym-Abbreviation:

Collect to Blossary

Other Languages:

Related terms

abbe number

Eyewear; Optometry

Mathematical expression for determining the correction for chromatic aberration of an optical material of component.

Abbe Number

Earth science; Mapping science

A number v introduced by E. Abbe for characterizing an optical medium by its dispersion, and defined by the formula v = (n d -1)/(n F -n c ), in which n d , n F , n c are ...

abbe number

Photography; Professional photography

denotes the degree of refraction of light of different wavelengths to different extents, given by a transparent material, such as glass. The lower the Abbe number, the greater the ...

number

Language; Grammar

Change of word form indicating one person or thing (singular) or more than one person or thing (plural).

number

Engineering; Electronic engineering

The mathematical representation of a quantity. It is generally used in electronics to denote coefficients, magnitudes, component values, frequencies, etc.

antimony

Manufacturing; Glass

A mineral stibnite mined mostly in China, Mexico and the US, antimony (antimony oxide, Sb2O3) can be added to batch as a refining and decolorizing agent, and is sometimes ...

antique glass

Manufacturing; Glass

Glass deliberately manufactured to have an uneven surface texture with air bubbles inside in order to create the appearance of antique glass from before the development of ...

asbestos

Manufacturing; Glass

A incombustible form of calcium-magnesium-silicate used as a heat-resistant or insulating material. Mixed with cement or plaster, it was commonly used to form slabs or boards for ...

annealing

Manufacturing; Glass

During glass manufacturing, the surface of molten glass usually cools more rapidly than the center, resulting in internal stresses which may cause the glass to crack, shatter or ...

adsorption

Manufacturing; Glass

The surface retention by a solid such as glass or liquid of moisture or vapour. The process differs from absorption, whereby the liquid or moisture penetrates deeper into the bulk ...

abrasive wheels

Manufacturing; Glass

Solid stone or coated discs used with variable rotation speeds to cut and grind glass. Originally made of natural stone, abrasive wheels are now made of manufactured stone ...