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coupling Dictionary Terms

fiber optic transceiver
A fiber optic transceiver, often simply referred to as an "optical transceiver," is a device used in fiber optic...
superelastic collision
Observed phenomenon in laser pulses in which a large number of excited electrons are created and in which multiphoton...
double-clad fiber
Double-clad fiber (DCF) is a specialized optical fiber that features two concentric cladding layers surrounding a core. The...
optoisolator
An optical coupling device that uses light to bridge the gap between incompatible wire communications systems. It contains...
microbending loss
Transmission loss in optical fibers caused by packaging processes; it is considered a power-coupling effect from the guided...
micro-optics
Micro-optics refers to the design, fabrication, and application of optical components and systems at a microscale level....
waveguide nonreciprocal device
A device that consists of two types of mode converters, one of which must be magnetic. It is nonreciprocal because the...
chromoendoscopy
A technique of using dyes during endoscopy to improve tissue differentiation. Dyes such as methylene blue, Toluidine blue...
fiber-coupled LED
A fiber-coupled LED (light-emitting diode) refers to an LED device that is optically coupled to an optical fiber for the...
Förster resonance energy transfer
Förster resonance energy transfer (FRET) is a mechanism describing the transfer of energy between two closely spaced...
photon coupling
The coupling of two circuits by the use of a light pipe through which photons are transmitted.
adapter
1. In optics, the housing, usually cylindrical, that contains the lenses and iris diaphragm of a camera. 2. In fiber optics,...
graded index
Descriptive of an optical fiber having a core refractive index that decreases almost parabolically and radially outward...
stress-applying part
In polarization-preserving optical fibers, the element used to induce birefringence. The SAP is highly doped to provide a...
coupler
1. In color development, the chemical that combines with certain by-products of the development procedure to form a dye. 2....
optical noise
Optical noise refers to undesirable fluctuations or disturbances in an optical signal that can affect the quality or...
microring resonator
A microring resonator is a compact optical device that utilizes the resonant behavior of light within a small ring-shaped...
optical coupling
fiber lapping
A method of optical fiber coupling in which the fibers are ground down to expose their cores and placed together to allow...
edge-emitting LED
An edge-emitting light-emitting diode is a type of LED structure where light emission occurs primarily along the edge of the...
mode coupling
In an optical waveguide, the exchange of power/energy among modes.
electro-optic modulator
An electro-optic modulator (EOM) is a device used to modulate the amplitude, phase, or polarization of light waves using an...
electromagnon
An electromagnon is a quasiparticle excitation that combines aspects of both magnetism and electric polarization in a...
ion laser
A laser in which the transition involved in stimulated emission of radiation takes place between two levels of an ionized...
piezoelectric crystal
A crystal consisting of a substance that has the ability to become electrically polarized and has strong piezoelectric...
mode scrambler
A device for inducing mode coupling in an optical fiber. Also, a device composed of one or more optical fibers in which...
nonlinear optical phase conjugation
The coupling of laser or light beams via nonlinear optical techniques such as four-wave mixing to achieve spatial variation...
diplexer
A coupling unit that enables more than one transmitter to operate at the same time or separately on the same antenna.
end-fire coupling
End-fire coupling refers to a method of coupling energy into or out of a waveguide, transmission line, or antenna, where the...
polariton
A polariton is a quasiparticle resulting from the strong coupling between photons (light particles) and certain types of...
bayonet coupling
A coupling mechanism designed to quickly lock a connector into an adaptor or a lens into a lens mount. Typically coupling is...
power flow equation
Optical fiber channel characterization scheme based on three assumptions; the discrete mode spectrum can be replaced by a...
integrated optical circuit
An optical circuit, either monolithic or hybrid, composed of active and passive components, used for coupling between...
electronically controlled coupling
The use of an electric field or signal to couple a lightwave from one dielectric waveguide into another dielectric waveguide.
output coupler
The partially reflective mirror at the end of the laser cavity that is the source of the beam. It controls the coupling...
collinear pumping
A method of exciting a laser by coupling it directly to another laser.
hair-trigger operation
Triggering a laser at a predetermined time by pumping it to a level just below its threshold and then using an auxiliary...
spin-spin coupling
Reciprocal magnetic interaction between nuclei in a molecular system facilitated by the binding electrons of the molecule.
cathode coupling
In electronics, the coupling of power from stage to stage by the use of an input or output element in the cathode.
crosstalk
The measurable leakage of optical energy from one optical conductor to another. Also known as optical coupling.
cross-coupling
1. A defect inherent in a multiple-axis positioning system whereby an adjustment of one axis causes an undesired change in...
fiber optic cable assembly
A fiber optic cable assembly refers to a complete unit consisting of optical fibers, connectors, protective jackets, and...
coupling efficiency
The fraction of available output from a radiant source that is coupled and transmitted by an optical fiber.
polarization-preserving fiber
Single-mode fiber that preserves the plane of polarization of the light launched into it as the beam propagates through its...
arcuate displacement
Displacement in a direction perpendicular to that of the intended displacement, as in a translation stage with simple...
visual fault locator
A device that enables visual tracing of a fiber optic cable to check for breaks and defects by coupling visible light into...

(46 results found)

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