A device that is used to determine the index of refraction of a gas or liquid through the interference patterns formed by two beams of light, one of which has been transmitted by the sample. A single light source is used in the device, with the beam...

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

A photographic recording of interference patterns between a plane wave and a spherical wave on a high-resolution...

In optics and photonics, "phase" refers to a property of electromagnetic waves, such as light, that describes the position...

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,...

A transmission interference microscope that produces interference patterns of a sample by using birefringent plates that...

The spectroscopic analysis of interference patterns using an electronic imaging tube with a Fabry-Perot interferometer to...

The method by which Thomas Young in 1802 disproved Newton's corpuscular theory of light by the formation of interference...

Counter propagating beams imaged along the same path in order to detect rotation. Precise rotation is measured through...

Fizeau fringes are interference fringes observed in an interferometer, specifically in a Fizeau interferometer. The Fizeau...

Lens testing equipment refers to a range of specialized tools and instruments used to evaluate the optical performance,...

The spectroscopic analysis of interference patterns using a monochannel spectrometer, spectrograph or multichannel...

Device that uses a coherent reference wave to record the interference patterns produced by incident ultrasonic waves on an...

Digital holographic microscopy (DHM) is an advanced imaging technique that combines holography and digital image processing...

Differential interference contrast (DIC) microscopy, also known as Nomarski interference contrast microscopy, is an optical...

A Michelson-type interference microscope used to produce interference patterns of reflective specimens through the...

An instrument designed to measure the index of refraction of a gas by the interference patterns formed by two beams, one of...

A holographic camera, also known as a holographic imaging system or holographic recorder, is a specialized device used to...

The optical Fourier transform is a mathematical operation applied to optical signals that involves transforming a spatial...

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