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Photonics Dictionary: H
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electromagnetic x
H x
hybrid electromagnetic wave
A wave in the electromagnetic spectrum that has both electrical and magnetic field vectors in the direction of propagation.
Hartmann formula
->
dispersion formula
All formulas that present the index of refraction as a function of a wavelength of electromagnetic radiation. Also called dispersion equation, Cauchy formula, Hartmann formula.
HEM
hybrid electromagnetic wave; heat exchange method
Hertzian waves
The radio waves of the electromagnetic spectrum that have frequencies of up to 10,000 megacycles per second.
high harmonic generation
High harmonic generation (HHG) refers to a nonlinear optical process in which intense laser light interacts with a gaseous medium, typically an atom or a molecule, to produce harmonics of the...
holographic grating
A holographic grating is a type of diffraction grating that is produced using holographic recording techniques. It consists of a periodic structure of alternating transparent and opaque regions,...
hydroxyl ion absorption
An optical fiber's absorption of electromagnetic waves due to hydroxyl ions remaining after contact with water.
hyperspectral imaging
Hyperspectral imaging is an advanced imaging technique that captures and processes information from across the electromagnetic spectrum. Unlike traditional imaging systems that record only a few...
hyperspectral imaging camera
A hyperspectral imaging camera is a sophisticated imaging device capable of capturing and processing data across a wide range of wavelengths within the electromagnetic spectrum, typically from...
hyperspectral resolution
Hyperspectral resolution refers to the level of detail or granularity in the spectral information captured by a hyperspectral imaging system. In hyperspectral imaging, the electromagnetic spectrum is...
Photonics Dictionary
H
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