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11 terms
Photonics Dictionary: H
Clear All Filters x
filters x
H x
half bandwidth
The term half bandwidth (HBW) generally refers to the width of a spectral band or frequency range at half of its maximum amplitude. It is commonly used in the context of signal processing, optics,...
half-power point
1. The value on either the leading or the trailing edge of a laser pulse at which the power is one-half of its maximum value. 2. The wavelength at which a filter is transmitting one-half of its peak...
haze filter
A filter, used in photography, that absorbs the ultraviolet and extreme blue violet radiation scattered by atmospheric haze.
heat filter
->
heat-transmitting filter
A filter that allows heat radiation from an incident beam to pass without absorption or reflection.
heat-absorbing filter
A glass filter that transmits visible light while absorbing infrared energy (heat).
heat-transmitting filter
A filter that allows heat radiation from an incident beam to pass without absorption or reflection.
high-pass filter
A filter possessing one transmission band that extends from a cutoff frequency other than zero to frequency at infinity.
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,...
holographic matched filter
A specific type of hologram that will transmit a pure plane wave when the hologram is illuminated by the type of wave it is matched to.
HPF
high-pass filter
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...
Photonics Dictionary
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