PREFERRED TERM
Beam splitter
DEFINITION
An optical assembly to split the laser beam into two or more beams (multi beams). English
Un sistema ottico per la divisione di un fascio laser in due o più fasci. Italian
Sistema óptico para dividir el rayo láser en dos o más rayos. Spanish
一种将激光束分成两束或更多束的光学组件。 cn
BROADER CONCEPT
ENTRY TERMS
- beamsplitter
EDITORIAL NOTE
- In a lidar, the laser source beam is split into two different beams. One is sent out to the atmosphere to detect the aerosols motion. The other one is sent to the photodetector, where it will be used as a local reference to identify the frequency shift of the backscattered beam. Usually the beam splitter also polarises the beam so that it is distinguishable from the atmospheric background light.
IN OTHER LANGUAGES
Strahlteiler
German
Sdoppiatore ottico
Italian
Divisor de haz
Spanish
URI
http://vocab.ieawindtask32.org/wind-lidar-ontology/BeamSplitter
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