An otoscope is a medical device used by healthcare professionals, particularly ear, nose, and throat (ENT) specialists, primary care physicians, and pediatricians, to examine the ear canal and eardrum. It consists of a light source, a magnifying...

Nanophotonics is a branch of science and technology that explores the behavior of light on the nanometer scale, typically at...

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 technique that combines two or more imaging processes in order to minimize the disadvantages within each of the...

The figure of merit of a resonator, defined as (2p) x (average energy stored in the resonator)/(energy dissipated per...

A laser cavity, also known as an optical cavity or resonator, is a fundamental component of a laser system. It is a confined...

An optical resonator in which feedback is accomplished by two parallel planes. In diode lasers, the planes are obtained by...

Nanoparticle photonic resonator absorption microscopy is a microscopy technique that combines the principles of photonic...

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...

A metal box with an opal glass front enclosing a lamp, used for viewing color transparencies or x-ray films.

Laser active elements typically refers to the substances or materials within a laser system that play a critical role in the...

A laser output that occurs when the cavity resonator Q is first kept very low, using rotating mirrors or saturable...

Also known as transverse mode. The configurations of energy storage, relative to the structure of a laser resonator, that...

A solid-state laser is a type of laser that uses a solid gain medium (as opposed to a liquid or gas) to produce coherent...

A thin-film device that integrates optics and electronics on a single chip to provide a passive-ring resonator gyroscope...

A multiple-beam interferometer, usually consisting of two flat plates, with high reflective ability. The plates are set...

An endoscope is a medical device used for visualizing and examining the interior of hollow organs, body cavities, or...

A technique used in integrated optics where a groove is cut on a substrate surface and covered by a thin film to facilitate...

A device used to rapidly change the Q of an optical resonator. It is used in the optical resonator of a laser to prevent...

In a lens, the square of the radius of its aperture divided by the product of the focal length and the wavelength. It...

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

A broadband continuum resonator that confines a wide range of wavelengths. From the optical confinement a single wavelength...

A laser resonator in which a mode oscillating between the mirrors will converge upon the laser's longitudinal axis.

An electro-optic modulator (EOM) is a device used to modulate the amplitude, phase, or polarization of light waves using an...

A microcomb, short for microresonator frequency comb, is a novel photonic device that generates a precise series of evenly...

A laser-pumped crystal with nonlinear optical properties inside of an optical resonator in which the output generates...

Metabolic imaging refers to the visualization and quantification of metabolic processes within living organisms, tissues, or...

A laser using a dye solution as the active medium whose resonator is formed into a ring (or a triangle or another shape) by...

Whispering gallery mode (WGM) refers to a phenomenon in wave physics, particularly in optics, where waves, such as light or...

Volumetric imaging refers to the capture, visualization, and analysis of three-dimensional (3D) information from a volume of...

A monatomic, chemically inert gas such as argon, neon, krypton and xenon.

Ophthalmology is a branch of medicine that focuses on the anatomy, physiology, and diseases of the eyes and visual system....

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

A microbubble resonator is a device used in photonics and optical physics for the precise manipulation of light waves. It...

A circuit incorporated into counter systems that records only pulses that have amplitudes between two preselected limits.

Plasmonics is a field of science and technology that focuses on the interaction between electromagnetic radiation and free...

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

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

A gas laser in which the electrodes are mounted perpendicular to the optical resonator.

In a laser, the optical resonator formed by two coaxial mirrors, one totally and one partially reflective, positioned so...

A diode-pumped solid-state laser (DPSSL) is a type of laser system that uses semiconductor diode lasers to pump energy into...

A laser device used to establish a location or target usually for detection by an impact source e.g. missiles and guided...

An optical instrument designed to displace the line of sight in a vertical direction. For submarines and other military uses...

A laser that has a surface-emitting semiconductor gain element coupled to an external mirror designed to complete the laser...

A resonator often used for mode control in Fresnel number laser cavities that is highly vulnerable to extremely weak...

A microring resonator is a compact optical device that utilizes the resonant behavior of light within a small ring-shaped...

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