A system used for gratings that consists of a concave mirror, a grating and a plate holder mounted normal to the grating to reduce astigmatism and spherical aberration. The mounting yields a stigmatic image.

A mounting used for large concave gratings, whereby the slit, grating and plate holder lie in the Rowland circle, and the...

1. A faint second image caused by reflection that is sometimes seen when observing through an optical instrument. 2. With...

A holographic grating is a type of diffraction grating that is produced using holographic recording techniques. It consists...

An optical grating, in the context of optics and physics, refers to a device with a periodic structure of closely spaced,...

Chirped pulse amplification (CPA) is a technique used in laser physics to amplify ultrashort laser pulses to high energies...

The process whereby white light is separated into its component wavelengths. Light beams of different wavelengths are...

An interferometric technique for the generation of precision gratings that allows for sequential exposure of small segments...

A lithography method that allows the transfer of fine-pitch gratings from a phase mask into photoresist. The exposure takes...

The resulting interference pattern generated from moiré deflectometry, the moiré pattern is a pattern...

Optical design software refers to specialized computer programs used by optical engineers, physicists, and designers to...

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

Diffraction efficiency is a measure of how effectively a diffractive optical element (DOE) or diffraction grating directs...

In optics and photolithography, a phase mask refers to a device that modifies the phase of light waves passing through it....

A Dammann grating is a type of diffractive optical element (DOE) used to create an array of equally spaced,...

A fiber Bragg grating (FBG) is a type of optical filter that is inscribed or "written" into the core of an optical fiber. It...

A fiber laser is a type of laser in which the active gain medium is an optical fiber doped with rare-earth ions such as...

A laser whose pulses are expanded, using gratings and optical fibers, before amplification and compressed to increase beam...

Blaze height typically refers to a parameter in the context of diffraction gratings, which are optical devices consisting of...

In spectroscopy, the false images arranged symmetrically on both sides of the true line and caused by irregularities in the...

Used in halftone screens to change the fundamental sampled spatial frequency of the halftoned picture, as well as varying...

A grating used as a reflectance filter, particularly in the far-infrared. Small plane gratings, blazed for the wavelength of...

The angular spectrum approach is a mathematical and computational technique used in the field of optics to analyze and...

A fiber optic sensor is a device that uses optical fibers to detect and measure physical, chemical, biological, or...

An optical interference technique widely utilized as a method of nondestructive testing when determining the ray deflection...

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

A means of achieving higher peak powers and more efficient harmonic generation by narrowing the pulse width and thus...

A device similar to distributed feedback lasers in construction and operation, but in which the period grating that produces...

A reproduction made of an original grating -- usually by casting thermosetting plastics onto the original -- to avoid the...

A hyperspectral imaging camera is a sophisticated imaging device capable of capturing and processing data across a wide...

A reflection grating is an optical component that consists of a series of closely spaced, parallel reflecting surfaces or...

Optical elements that use diffraction to control wavefronts. Diffractive optical elements include diffraction gratings,...

Micro-optics refers to the design, fabrication, and application of optical components and systems at a microscale level....