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4 terms
Photonics Dictionary: D
Clear All Filters x
stations x
D x
DAS
differential absorption scattering; detector angular subtense; dual attachment station
Doppler effect
The effect produced on a wave frequency because of the relative motion of a source or an observer. The radiation emitted from a source that moves away from an observer appears to be of lower...
double refraction
The separation of unpolarized light into two plane-polarized elements by a doubly refracting crystal. When a crystal, such as calcite, is placed between the eye and a pinhole in a card, two bright...
dual attachment station
In a dual-ring local area network, a node that is connected both to the primary, active ring and also to a secondary ring that provides redundancy in case of cable or system failure.
Photonics Dictionary
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