Mode hopping in the context of lasers refers to a phenomenon where a laser system abruptly switches from one longitudinal mode to another. In a laser, different longitudinal modes represent distinct allowed frequencies or wavelengths of the laser...

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

A fluorophore is a molecule or a portion of a molecule that has the ability to emit light upon excitation by an external...

Integrated photonics is a field of study and technology that involves the integration of optical components, such as lasers,...

Gallium nitride (GaN) is a compound made up of gallium (Ga) and nitrogen (N). It is a wide-bandgap semiconductor material...

A gyroscope is a mechanical device consisting of a spinning disk or wheel mounted on a spinning axis in such a way that its...

In the context of optics and lasers, a transverse mode refers to a specific spatial pattern of the electric field within the...

Sapphire refers to a crystalline form of aluminum oxide (Al2O3) that is used in various optical and photonic applications...

A confocal resonator, also known as a confocal cavity or confocal laser resonator, is a type of optical resonator...

A fiber optic gyroscope (FOG) is a type of gyroscope that uses the interference of light waves to detect changes in...

Plastic optics refers to optical components or systems that are made from transparent plastic materials, as opposed to...

Beam profiling is a technique used to characterize and analyze the spatial intensity distribution of a laser beam. It...

In television, a lateral displacement of the lines from their normal position due to the instability of a synchronizing...

A Nernst glower, also known simply as a Nernst lamp or Nernst filament, is a type of incandescent lamp or radiant heater...

Double-clad fiber (DCF) is a specialized optical fiber that features two concentric cladding layers surrounding a core. The...

The phenomenon that can render an optical resonator the equivalent of a semiconductor flip-flop. A bistable device will...

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

GaN (gallium nitride) distributed feedback (DFB) lasers refer to a specific type of semiconductor laser based on Gallium...

Resonance can be defined in various contexts, including physics, chemistry, and music. Here are definitions for resonance in...

A beam instability, induced by index of refraction inhomogeneities and component damage of dirt and dust particles, that...

An accelerometer is a sensor or transducer that measures the rate of change of velocity of an object, or in simpler terms,...

An optical assembly refers to a collection of optical components that are carefully arranged and aligned to perform a...

An optical table, also known as an optical bench or an optical breadboard, is a specialized platform used in optics...

Fused quartz and silica are closely related materials, both composed primarily of silicon dioxide (SiO2), but they are...

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

Fusion ignition refers to the point in a controlled nuclear fusion reaction where the energy released by the fusion...

Photobleaching is a phenomenon in which the fluorescence of a fluorophore (a fluorescent molecule or dye) is permanently...

A highly accurate cathode-ray tube used to display information with the utmost efficient stability and resolution. The...

A resonator is a device or system that exhibits resonance, which is a phenomenon that occurs when an external force or...

A solar simulator is a device used to replicate the spectrum and intensity of sunlight in a controlled environment for...

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

Optical materials refer to substances or compounds specifically chosen for their optical properties and used in the...

Silicon carbide (SiC) light-emitting diodes (LEDs) are semiconductor devices that emit light when an electric current is...

Supercontinuum refers to a broad spectrum of light that spans a wide range of wavelengths, typically from the visible to the...

Dewetting is a phenomenon in materials science and physics where a thin film or coating spontaneously undergoes a process of...

Photochromic refers to a property exhibited by certain materials, typically organic compounds or dyes, which undergo...

Topological photonics is a branch of physics and optics that explores the application of topological concepts to the...

Sapphire optical fiber is a type of optical fiber made from single-crystal sapphire, which is a form of aluminum oxide...

Calorimetry is a branch of science that involves the measurement of heat flow in physical or chemical processes. It...

Ability of a laser to resist variations in output power caused when it is slowly rotated about its optical or symmetrical...

A helium-neon (HeNe) laser is a type of gas laser that emits visible red light at a wavelength of 632.8 nm. It operates...

An aptamer is a short, single-stranded DNA or RNA molecule that can bind to a specific target molecule with high affinity...

Laser drift typically refers to a phenomenon where the frequency or wavelength of a laser source gradually changes over...

Optical glass refers to a type of glass specifically engineered and manufactured for use in optical components and systems,...

An optical clock is a highly precise and advanced timekeeping device that relies on the oscillations of electromagnetic...

A mirror mount is a mechanical device used to secure and precisely position mirrors in optical systems. Mirrors are...

A sapphire window refers to a transparent optical component made from sapphire crystal. Sapphire is a single-crystal form of...

1. In relation to cathode-ray tube displays, errors in the signal's amplitude, phase or both that result in small, rapid...

Prediction based on observations of nuclear masses in the valley of stability that indicates the maximum number of electrons...

An electron-gun system is an assembly used to generate and control a focused beam of electrons. Electron guns find...

A phenomenon in which high optical power, encountering an imperfection in an optical fiber, destroys the fiber's core and...

The first nonlinear theory in plasma physics that details the time and space evolution of plasma wave instability from a...

A calcium indicator is a molecule that is sensitive to changes in calcium ion (Ca2+) concentrations in biological systems....

Laser powder bed fusion (LPBF) is a type of additive manufacturing (AM) or 3D printing technology that uses a high-power...