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5 terms
Photonics Dictionary: R
Clear All Filters x
IR fibers x
R x
rare earth dopants
Rare earth dopants refer to elements from the lanthanide series, also known as rare earth elements, that are intentionally introduced into the crystal lattice of a material to modify its properties....
reconfigurable optical add/drop multiplexer
A reconfigurable optical add-drop multiplexer (ROADM) is a key component in wavelength-division multiplexing (WDM) optical communication networks. It allows for flexible and dynamic routing of...
reflection coefficient
Parametric measurement for elliptical fiber and cable expressed as a ratio of the two-directional flow of power through the cable at any chosen point.
revolving lens fiber optic scanner
A sequential scanning device, utilizing a revolving lens, in which the cathode-ray tube image is transformed into a circle of fibers. The rotating lens focuses each fiber successively on a multiplier...
ringlight
A circular lamp or bundles of optical fibers placed around the perimeter of an objective lens to illuminate the object field below it.
Photonics Dictionary
R
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