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14 terms
Photonics Dictionary
Clear All Filters x
lightwaves x
ALP
advanced lightwave platform
electric vector
The electric field associated with an electromagnetic wave and thus with a lightwave. The electric vector specifies the direction and amplitude of this electric field.
electroholography
A technology that uses electrically activated holograms stored within specially developed crystals to route information in the form of lightwave signals from one optical fiber to another within and...
electronically controlled coupling
The use of an electric field or signal to couple a lightwave from one dielectric waveguide into another dielectric waveguide.
Fabry-Perot interferometer
A multiple-beam interferometer, usually consisting of two flat plates, with high reflective ability. The plates are set parallel to one another by spacers so that lightwaves may bounce back and forth...
fast axis
In a birefringent material, the index of refraction varies with the direction of vibration of a lightwave. That direction having a low refractive index is the fast axis; at right angles to it is the...
geodimeter
Trade name referring to an instrument that determines surface distances by measuring the length of time it takes for a modulated lightwave to reach a mirror and be reflected to its point of origin.
isogyric curves
With respect to the effect of crystals on lightwaves, the family of curves having constant direction of polarization.
Kapitza-Dirac diffraction
The diffraction of a particle by a standing lightwave.
light quantum
The individual coherent series of lightwaves that defines a quantum of radiant energy. Light quantum is equal to hv, h being Plank constant and v being the radiation frequency in herts.
optical nonlinearity
The phenomenon that makes nonlinear the mathematical expression for the electrical polarization of a medium through which lightwaves are passing. Characterizes high-power lasers principally;...
PLC
programmable logic controller; planar lightwave circuit
slow axis
->
fast axis
In a birefringent material, the index of refraction varies with the direction of vibration of a lightwave. That direction having a low refractive index is the fast axis; at right angles to it is the...
x-ray optics
The study of the physics of x-rays, where the x-rays exhibit properties similar to those of lightwaves. Also called Roentgen optics.
Photonics Dictionary
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