Convex is an adjective used to describe a surface or shape that curves outward, bulges, or has a rounded and outwardly extending appearance. In the context of geometry or optics, a convex shape is one that is curved or sloped outward, creating a...

A dome-shaped structure used for some optical instruments in place of a flat window. The transparent material should be of...

An aspheric lens is a type of lens whose surface profiles deviate from the traditional spherical shape. Unlike spherical...

A platform mount used to hold sensitive optical instruments immobile.

An aspheric mirror is an optical mirror surface that deviates from the shape of a perfect sphere, having a non-spherical...

The effect discovered by Faraday in 1845 whereby nonoptically active materials or substances become capable of rotating the...

A mirror blank refers to the initial piece of material from which a mirror is made. It is typically a flat or slightly...

An etalon is an optical device that consists of two parallel reflecting surfaces separated by a precise and known distance....

Photometry is the branch of science that deals with the measurement of light, particularly in terms of its intensity and the...

An achromat, in the context of optics, refers to a type of lens or lens system designed to reduce chromatic aberration....

Optical cements and adhesives are specialized materials used in the assembly and bonding of optical components in optical...

Concave and convex spherical mirrors are types of curved mirrors that have surfaces shaped like segments of spheres. These...

Fine lines, wires or threads used in the focal plane of many optical instruments to point out and locate particular objects...

The entrance slit, also known simply as the slit, is an essential component in optical instruments such as spectrometers and...

An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical...

Instantaneous field of view (iFOV) is a term commonly used in the context of remote sensing, imaging systems, and optical...

Retroreflection is a phenomenon in optics where light is reflected back toward its source, typically in a direction nearly...

Dispersion refers to the phenomenon where different wavelengths (colors) of light travel at different speeds when passing...

The field of view (FOV) refers to the extent of the observable world or the visible area that can be seen at any given...

An optical testing instrument is a device or system used to evaluate and measure the performance, quality, and...

Etaloning is an optical phenomenon that occurs in imaging systems, particularly in devices such as spectrometers,...

The arrangement of two Porro prisms so that the inverted image formed by certain types of optical instruments is the same as...

A diffraction grating is an optical component consisting of a surface with a periodic structure of equally spaced, parallel...

An aplanatic surface is an optical surface that is specifically designed or shaped to minimize spherical aberration and...

A prism is a geometric optical element with flat, polished surfaces that refract light. It is typically a solid, transparent...

A material often used in the construction of optical instruments because of its low coefficient of thermal expansion (0.9 x...

A spheric lens, also known as a spherical lens, is a type of optical lens with at least one surface that is part of a...

Optics is the branch of physics that studies the behavior and properties of light, including its interactions with matter...

Polarization refers to the orientation of oscillations in a transverse wave, such as light waves, radio waves, or other...