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MORE SINGLE-MODESINGLE-MODE DICTIONARY TERMS
fiber-based confocal luminescence microscopeA microscope in which laser light is delivered through single-mode fibers that replace the pinhole usually used in confocal microscopy. When the Gaussian mode is imaged from the fiber output onto the sample, the diffraction-limited focal spot can be...
polarization-preserving fiber (PPF)Single-mode fiber that preserves the plane of polarization of the light launched into it as the beam propagates through its...
dispersion-flattened single-mode fiberA type of glass optical fiber that provides low pulse dispersion over a broad portion of the light spectrum and as a result...
pulse compressionA means of achieving higher peak powers and more efficient harmonic generation by narrowing the pulse width and thus...
distributed feedback (DFB) laserA laser system in which feedback is used to make certain modes in the resonator oscillate more strongly than others. In...
dispersion-shifted fiber (DSF)A type of single-mode optical fiber used in high-bit-rate, long-distance telecommunications systems. The silica-clad fiber...
mode hoppingSudden shift of the laser diode output beam from one longitudinal mode to another during single-mode operation. Mode hopping...
phase-modulated sensorA type of sensor used in interferometers to compare the phase of light detected by a sensing fiber with that of a reference...
single-mode waveguide (or fiber)An optical waveguide in which only the lowest order bound mode, which may consist of a pair of orthogonally polarized...
deeply depressed cladding fiberAn optical fiber, usually a single-mode fiber, that has an outer cladding with nearly the same index of refraction as the...
normalized frequencyAlso referred to as the V number in fiber optics; the normalized frequency is a dimensionless quantity, denoted by the...
zero-dispersion wavelengthIn a single-mode optical fiber, the wavelength that causes material dispersion and waveguide dispersion to cancel each...
mode field diameter (MFD)For a single-mode fiber, the measurement of the irradiance distribution at the fiber's end face.
intramodal distortionThat distortion resulting from dispersion of the group velocity of a propagating mode. It is the only distortion occurring...
synchronous optical network (SONET)A standard for fiber optic telecommunications interfaces, with a 1300-nm data link operating over single-mode fiber at data...

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